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Select 'All' to list all the chemical categories. Each character links to a view of all chemical categories whose name begin by it. The asterisk (*) links to a view of all categories whose name start with a special character (e.g. '('). You can search the table for a specific string within that specific view.
NameChemOnt IDDescription
C-cinnamoyl glycosidesCHEMONTID:0003478C-glycoside derivatives of cinnamic acid. Cinnamic acid is an aromatic compound containing a benzene and a carboxylic acid group forming 3-phenylprop-2-enoic acid.
C-glucuronidesCHEMONTID:0002815Glucuronides in which the aglycone is linked to the carbohydrate unit through a C-glycosidic bond.
C-glycosyl compoundsCHEMONTID:0002204Glycoside in which a sugar group is bonded through one carbon to another group via a C-glycosidic bond.
C-nitro compoundsCHEMONTID:0004117Compounds having the nitro group, -NO2 (free valence on nitrogen), which is attached to carbon.
C-nitroso compoundsCHEMONTID:0003034Nitroso compounds with he general formula RN=O, where R is an organic group.
C-type proanthocyanidinsCHEMONTID:0004829Proanthocyanidins, which are characterized by the presence of three or more flavonoid units linked to each other by exactly 4->8 interflavonoid CC-bonds.
C19-gibberellin 6-carboxylic acidsCHEMONTID:0004013C19-gibberellins with a carboxyl group at the 6-position.
C19-gibberellinsCHEMONTID:0002998Gibberellins containing 19 carbon atoms, with the COOH group in position 7. In nearly all C19-gibberellins, the carboxyl group at C-4 forms a lactone ring at C-10, a configuration which arises in connection with the loss of the extra C-20 atom.
C2-aryl pyrrolo[2,1-c][1,4]benzodiazepinesCHEMONTID:0004231Heterocyclic aromatic compounds containing a 2-aryl substituted 1,4-benzodiazepine ring system that is fused to, and shared a nitrogen atom with a pyrrole ring.
C2-linked imidazole ribonucleosides and ribonucleotidesCHEMONTID:0003735Nucleoside and nucleotide analogues with a structure that consists of an imidazole ring system which is substituted at the C2-position with a ribose moiety. Nucleotide analogues contain a phosphate group linked to the C5 carbon atom of the furanose.
C20-gibberellin 20-carboxylic acidsCHEMONTID:0004015C20-gibberellins with a carboxyl group at the 20-position.
C20-gibberellin 6-carboxylic acidsCHEMONTID:0004014C20-gibberellins with a carboxyl group at the 6-position.
C20-gibberellinsCHEMONTID:0002999Gibberellins with carboxy groups in positions 7 and 18 and some also in 20, while others have an aldehyde group in the latter position.
C24-propyl sterols and derivativesCHEMONTID:0003061Sterols that carry a hydroxyl group at the 3-position, and a propyl group at the 24-position of the steroid backbone.
C4-linked imidazole ribonucleosides and ribonucleotidesCHEMONTID:0003736Nucleoside and nucleotide analogues with a structure that consists of an imidazole ring system which is substituted at the C4-position with a ribose moiety. Nucleotide analogues contain a phosphate group linked to the C5 carbon atom of the furanose.
C8-prenylated coumarinsCHEMONTID:0004821Aromatic compounds containing a coumarin skeleton, which is substituted by a prenyl group at the C8-position.
CadinanolidesCHEMONTID:0002048Sesquiterpene lactones based on 2-dioxonaphtho[4a,4-b]furan.
CamptothecinsCHEMONTID:0000240Heterocyclic compounds comprising a planar pentacyclic ring structure, that includes a pyrrolo[3,4-beta]-quinoline moiety (rings A, B and C), conjugated pyridone moiety (ring D) and one chiral center at position 20 within the alpha-hydroxy lactone ring with (S) configuration (the E-ring).
Capnellane and isocapnellane sesquiterpenoidsCHEMONTID:0003581Sesquiterpenes with a structure characterized by the presence of a tricyclo[6.3.0.0^2,6]undecane ring system, which is also found in the hirsutane group. However, capnellanes carry two methyl groups at the 3-position.
CaprolactamsCHEMONTID:0000163Cyclic amides of caproic acid. Caproic acid is the carboxylic acid derived from hexane with the general formula C5H11COOH.
CaprolactonesCHEMONTID:0001241Cyclic esters of caproic acid. Caproic acid is the carboxylic acid derived from hexane with the general formula C5H11COOH.
CarbacephemsCHEMONTID:0002318A new class of beta-lactam antibiotics similar in structure to the cephalosporins. They differ from cephalosporins, however, in the substitution of a sulfur atom in the dihydrothiazine ring with a methylene group to form a tetrahydropyridine ring.
Carbamate estersCHEMONTID:0001162Compounds containing an ester of carbamic acid with the general structure R2NC(=O)OR' (R' not H). They are esters of carbamic acids.
Carbamic acid halidesCHEMONTID:0001192Compounds containing a carbamic acid derivative linked to a halogen atom.
Carbamic acidsCHEMONTID:0000271Compounds containing the carbamic acid functional group, with the general structure RN(R')C(=O)OH or RN(R')C(=O)[O-] where R,R' = H or organyl group.
Carbamic acids and derivativesCHEMONTID:0000318Compounds comprising the carbamic acid functional group or a derivative thereof. They have the general structure RN(R')C(=O)OH or RN(R')C(=O)R\", where R,R'= H or organyl group, R\"= OH, alkyloxy, acyloxy, or halogen.
CarbapenamsCHEMONTID:0003066Beta-lactams with a saturated carbapenem skeleton.
CarbapenemsCHEMONTID:0000167Beta-lactam derivatives in which the beta-lactam ring shares the nitrogen atom with a pyrrole-2-carboxylic acid.
CarbazolesCHEMONTID:0000210Compounds containing a three ring system containing a pyrrole ring fused on either side to a benzene ring.
Carbene-type 1,3-dipolar compoundsCHEMONTID:00036321,3-dipolar compounds with the general structure X:-C=Z<-> X+=C-Z- (X = C or N; Z = C, N, or O).
CarbenesCHEMONTID:0003629The electrically neutral species H2C and its derivatives, in which the carbon is covalently bonded to two univalent groups of any kind or a divalent group and bears two non-bonding electrons, which may be spin-paired (singlet state) or spin-non-paired (triplet state). Subclasses of carbenes include acyl carbenes, imidoyl carbenes, and vinyl carbenes.
CarbidesCHEMONTID:0004469Inorganic compounds containing a carbon atom combined with one or more elements of similar or lower electronegativity.
Carbo-azosulfonesCHEMONTID:0003209Organosulfur compounds with the general formula RS(R')(=N)=O (R,R' = alkyl groups).
Carbocyclic fatty acidsCHEMONTID:0000495Fatty acids containing a carbocyclic ring .
CarbodiimidesCHEMONTID:0000157Organic compounds containing a functional group consisting of the formula RN=C=NR.
Carbodiselenoic acidsCHEMONTID:0003169Organic acids with the general formula RCSe-SeH (R=H, organic group).
Carbodithioic acid estersCHEMONTID:0003877Ester derivatives of a carbodithioic acid (RC(=S)SH).
Carbodithioic acidsCHEMONTID:0002541Organic acids with the general formula RC(=S)SH (R = organyl).
CarbodithiolactonesCHEMONTID:0003878Cyclic organosulfur compounds with the general formula RC(=S)SR', where the central carbon atom is part of a ring; R,R' = organyl group.
Carbohydrates and carbohydrate conjugatesCHEMONTID:0000011Monosaccharides, disaccharides, oligosaccharides, polysaccharides, and their derivatives.
Carbonate saltsCHEMONTID:0004447Compounds that results from the interaction between a positive ion and the negatively charge oxygen atom of the carbonate ion.
Carbonic acid diestersCHEMONTID:0001611Compounds comprising the carbonic acid diester functional group.
Carbonic acid ester halidesCHEMONTID:0001652Compounds comprising the carbonic acid ester halide functional group.
Carbonic acid monoestersCHEMONTID:0001655Compounds comprising the carbonic acid monoester functional group.
CarbonucleotoidsCHEMONTID:0001848Organic peptide derivatives with monosaccharide units linked through Phosphate diester bonds.
Carbonyl compoundsCHEMONTID:0001831Organic compounds containing a carbonyl group, with the general structure RC(=O)R', where R=organyl, R'=H, N, O, organyl group or halide group.
Carbonyl hydratesCHEMONTID:0001605Organic compounds containing two hydroxyl groups attached to a carbon atom.
Carbonyl imidesCHEMONTID:0002033Organic compounds containing a carbonyl imide group (a carbon atom linked through a double bond to an oxygen atom, which is in turn linked to a nitrogen atom).
Carbonyl oxidesCHEMONTID:0002034Organic compounds containing a carbonyl imide group (a carbon atom linked through a double bond to an oxygen atom, which is in turn linked to an oxygen atom).
Carbonyl ylidesCHEMONTID:00036221,3-Dipolar Compounds having the general structure R1C(R2)=[O+][C-](R3)R4 or R1[C+](R2)O[C-](R3)R4.
CarbonylimidazolesCHEMONTID:0002529Substituted imidazoles in which the imidazole ring bears a carbonyl group.
CarbonylnitrenesCHEMONTID:0003974Organic compounds containing a nitrene to which a carbonyl group is attached.
CarbopeptoidsCHEMONTID:0001849Oligosaccharides having carbohydrate subunits linked to one another by amide bonds.
Carboperoxoic acidsCHEMONTID:0003164Organic acids with the general formula RCO-OOH (R=H, organic group).
Carboperoxoselenoic acidsCHEMONTID:0003165Organic acids with the general formula RCSe-OOH (R=H, organic group).
Carboperoxothioic OO-acidsCHEMONTID:0003166Organic acids with the general formula RCS-OOH (R=H, organic group).
CarboselenoamidesCHEMONTID:0003127Organic acid amide with the general formula RC(Se)NH2 (R=H, organic group).
Carboselenoic acidsCHEMONTID:0003126Organic compounds containing at least one carboselenoyl group, with the formula RC(=O)SeH.
Carboselenoic acids and derivativesCHEMONTID:0002427Organic compounds containing at least one carboselenoyl group, with the formula RC(=O)Se (or a derivative thereof).
Carboselenothioic S-acidsCHEMONTID:0003167Organic acids with the general formula RCSe-SH (R=H, organic group).
Carboselenothioic Se-acidsCHEMONTID:0003168Organic acids with the general formula RCS-SeH (R=H, organic group).
CarbotelluroamidesCHEMONTID:0003129Organic acid amide with the general formula RC(Te)NH2 (R=H, organic group).
Carbotelluroic acids and derivativesCHEMONTID:0003128Organic acids or derivatives thereof with the general formula RC(OH)=Te or RC(Te)OH (R = organyl).
Carbothioic halidesCHEMONTID:0003876Organosulfur compounds with the general structure RC(=S)X, where R = organyl group and X = halogen atom.
Carbothioic O-acidsCHEMONTID:0003108Organic acids with the general formula RCO-SH (R=H, organic group).
Carbothioic O-estersCHEMONTID:0003874Ester derivatives of carbothioic O-acids, with the general structure ROC(=S)R' where R = organyl group and R' = H or organyl group.
Carbothioic O-lactonesCHEMONTID:0003875Cyclic organosulfur compounds with the general structure RC(=S)OR', R-R' = organyl group, where the central atom is part of the ring.
Carbothioic S-acidsCHEMONTID:0003107Organic acids with the general formula RCS-OH (R=H, organic group).
Carbothioic S-estersCHEMONTID:0003872Ester derivatives of carbothioic S-acids, with the general structure RSC(=O)R' where R = organyl group and R' = H or organyl group.
Carbothioic S-lactonesCHEMONTID:0003873Cyclic organosulfur compounds with the general structure RC(=O)SR', R-R' = organyl group, where the central atom is part of the ring.
CarboxamidinesCHEMONTID:0001045Carboxylic acid derivatives containing the amidine group.
CarboximidamidesCHEMONTID:0003152Organonitrogen compounds with the general formula RN=CN(R')(R''), (R,R',R'' = H or organyl group).
Carboximidic acidsCHEMONTID:0002484Organic acids with the general formula RC(=N)-OH (R=H, organic group).
Carboximidic acids and derivativesCHEMONTID:0002285Compounds containing a carboximidic group, with the general formula R-C(=NR1)OR2.
CarboximidohydrazidesCHEMONTID:0003153Organonitrogen compounds with the general formula HN(H)N(H)C(H)=NR' (R' = H or organyl).
Carboxylic acid amide acetalsCHEMONTID:0001667Carboxylic acid derivatives two hydroxyl groups attached to a carbon atom, which in turn is linked to a nitrogen atom(substituted or not).
Carboxylic acid amidesCHEMONTID:0000475Carboxylic acid derivatives containing a carbonyl group in which the carbon atom is linked to a nitrogen atom (substituted or not). The general formula of the carboxylic acid amide is R1C(=O)N(R2)R3 (R1,R2,R3=H, alkyl, aryl).
Carboxylic acid anhydridesCHEMONTID:0001240Carboxylic acid derivatives two carbonyl groups where the carbon atoms are both linked to the same oxygen atom.
Carboxylic acid azidesCHEMONTID:0001239Carboxylic acid derivatives a carbonyl group in which the carbon is directly linked to an azide group (-N=N+=N-).
Carboxylic acid derivativesCHEMONTID:0001093Derivatives of carboxylic acid.
Carboxylic acid estersCHEMONTID:0001238Carboxylic acid derivatives in which the carbon atom from the carbonyl group is attached to an alkyl or an aryl moiety through an oxygen atom (forming an ester group).
Carboxylic acid hydrazidesCHEMONTID:0001165Carboxylic acid derivatives containing a carbonyl group in which the carbon is directly linked to a hydrazide group (N-N).
Carboxylic acid imidesCHEMONTID:0001657Carboxylic acid derivatives containing two carbonyl groups where the carbon atoms are both linked to the same nitrogen atom.
Carboxylic acid orthoestersCHEMONTID:0001237Carboxylic acid derivatives containing a carbon atom form three single bonds, each with one oxygen atom.
Carboxylic acid saltsCHEMONTID:0001166Ionic derivatives of carboxylic acid.
Carboxylic acidsCHEMONTID:0001205Compounds containing a carboxylic acid group with the formula -C(=O)OH.
Carboxylic acids and derivativesCHEMONTID:0000265Compounds containing a carboxylic acid group with the formula -C(=O)OH or a derivative thereof.
Cardenolide glycosides and derivativesCHEMONTID:0001559Compounds containing a carbohydrate glycosidically bound to the cardenolide moiety.
Cardenolides and derivativesCHEMONTID:0001555Steroid lactones containing a furan-2-one moiety linked to the C17 atom of a cyclopenta[a]phenanthrene derivative.
CardiolipinsCHEMONTID:0001233Glycerophospholipids in which the O1 and O3 oxygen atoms of the central glycerol moiety are each linked to one 1,2-diacylglycerol chain. Their general formula is OC(COP(O)(=O)OC[C@@H](CO[R1])O[R2])COP(O)(=O)OC[C@@H](CO[R3])O[R4], where R1-R4 are four fatty acyl chains.
CarnitinesCHEMONTID:0001609Organic compounds containing the quaternary ammonium compound carnitine.
CarotenesCHEMONTID:0001411A type of unsaturated hydrocarbons containing eight consecutive isoprene units. They are characterized by the presence of two end-groups (mostly cyclohexene rings, but also cyclopentene rings or acyclic groups) linked by a long branched alkyl chain. Carotenes belonging form a subgroup of the carotenoids family.
CarotenoidsCHEMONTID:0001277Organic compounds formed by eight consecutive isoprene fragments. Carotenoids are a subgroup of tetraterpenes, and are subdivided in two categories: Carotenes and Xanthophylls.
Catechin gallatesCHEMONTID:0001587Organic compounds containing a gallate moiety glycosidically linked to a catechin.
CatechinsCHEMONTID:0001584Compounds containing a catechin moiety, which is a 3,4-dihydro-2-chromene-3,5.7-tiol.
Catecholamines and derivativesCHEMONTID:0000182Compounds containing 4-(2-Aminoethyl)pyrocatechol [4-(2-aminoethyl)benzene-1,2-diol] or a derivative thereof formed by substitution.
CatecholsCHEMONTID:0000135Compounds containing a 1,2-benzenediol moiety.
CDP-diacylglycerolsCHEMONTID:0001256Glycerolipids containing a diacylglycerol, with a cytidine diphosphate attached to the oxygen O1 or O2 of the glycerol part.
CDP-ethanolaminesCHEMONTID:0004795Phosphoethanolamines that consist of an ethanolamine having a cytidine 5'-diphosphate moiety attached to the oxygen.
CDP-glycerolsCHEMONTID:0001263Glycerolipids with a cytidine diphosphate attached to the oxygen O1 or O2 of the glycerol part.
CDP-monoacylglycerolsCHEMONTID:0001264Glycerolipids containing a monoacylglycerol, with a cytidine diphosphate attached to the oxygen O1 or O2 of the glycerol part.
Cedrane and isocedrane sesquiterpenoidsCHEMONTID:0003752Sesquiternoids with a structure based on the cedrane or the isocedrane skeleton. Cedrane is a tricyclic molecules a 3,6,8,8-tetramethyl-1H-3a,7-methano-azulene moiety. Isocedrane is a rearranged cedrane arising from the migration of methyl group moved from the 6-position to the 4-position.
Cembrane diterpenoidsCHEMONTID:0000008Diterpenoids with a structure based a cembrane skeleton, which is characterized by the presence of an isopropyl group at C-1 and by three symmetrically disposed methyl groups a the t C-4, -8 and -12 positions.
CembranolidesCHEMONTID:0002502Diterpenoids with a structure based on a cembrane skeleton fused to a lactone ring (5- or 6-membered).
Cephalosporin 3'-carbamatesCHEMONTID:0004410Cephalosporins that are substituted at the 3'-position by a carbamate group.
Cephalosporin 3'-estersCHEMONTID:0004411Cephalosporins that are esterified at the 3'-position.
CephalosporinsCHEMONTID:0000173Compounds containing a 1,2-thiazine fused to a 2-azetidinone to for a oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid moiety or a derivative thereof.
Cephalotaxus alkaloidsCHEMONTID:0003778Alkaloids with a structure based on the cephalotaxine skeleton, a tetracyclic 1,3-benzodioxole-containing compound which arises from the skeletal rearrangement of the hydroaromatic component of the Erythrina group.
CephamsCHEMONTID:0001456Organic compounds containing the 5-thia-1-azabicyclo[4.2.0]octan-8-one nucleus.
CephamycinsCHEMONTID:0001458Compounds containing a the cephalosporin (oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid) nucleus, with an alkyloxy group attached to the C6 carbon atom.
CephemsCHEMONTID:0000168Organic compounds containing the 5-thia-1-azabicyclo[4.2.0]oct-2-en-8-one nucleus.
Ceramide 2-N-methylaminoethylphosphonatesCHEMONTID:0003604Phosphonosphingolipids consisting of a ceramide skeleton, which conjugated to the phosphonate moiety of a N-methyl linked 2-aminoethylphosphonate group.
Ceramide aminoethylphosphonatesCHEMONTID:0003605Phosphonosphingolipids consisting of a ceramide skeleton, which conjugated to a 2-aminoethylphosphonate group.
Ceramide phosphoethanolaminesCHEMONTID:0001394Ceramides with phosphoethanolamine as substituent. Phosphoethanolamine is an organophosphorus compound with the general structure NCCOP(O)(O)=O.
Ceramide phosphoinositolsCHEMONTID:0001399Ceramides with phosphoinositol as substituent.
Ceramide-1-phosphatesCHEMONTID:0003390Sphingoid analogue of phosphatidic acid formed from ceramide by adding a phosphate group at its 1-position.
CeramidesCHEMONTID:0001418Lipid molecules containing a sphingosine in which the amine group is linked to a fatty acid.
Cerveratrum-type alkaloidsCHEMONTID:0002729Steroidal alkaloids containing the cevane (23-methyl-4- azahexacyclo[12.11.0.0^{2,11}.0^{4,9}.0^{15,24}.0^{18,23}]pentacosane) moiety, which is a six ring system. Cerveratrum alkaloids have 7-9 oxygen atoms and occur as free alkamines or esters of simple aliphatic or aromatic acids.
ChaetoglobosinsCHEMONTID:0003767Cytochalasans with a structure in which the hydrogenated isoindole bears an (indol-3-yl)methyl group.
Chalcone- and dihydrochalcone O-glycosidesCHEMONTID:0001739Compounds containing a O-glycosylated chalcone or dihydrochalcone moiety.
Chalcones and dihydrochalconesCHEMONTID:0001630Organic compounds containing 1,3-Diphenylpropenone (benzylideneacetophenone), ArCH=CH(=O)Ar, or its derivatives formed by substitution.
ChamigranesCHEMONTID:0002517Sesquiterpenoids characterized by a 1,1,5,9-tetramethylspiro[5,5]undecane skeleton, formally obtained by linking the C1-C6 and C6-C11 of farnesane together. They are predominantly isolated from algae.
Cheilanthane sesterterpenoidsCHEMONTID:0002881Sesterterpnoids with a structure based on the cheilanthane backbone. Cheilanthane is a tricyclic compound consisting of a tetradecahydrophenanthrene ring system that carries two methyl groups at the 1-position, one methyl group at the 4a-,7-, and 8a-positions, as well as a 3-methylpentyl group at the 8-position.
Chemical entitiesCHEMONTID:9999999Constitutionally or isotopically distinct atoms, molecules, ions, ion pairs, radicals, radical ions, complexes, conformers etc., identifiable as a separately distinguishable entity.
Chlorinated biphenylsCHEMONTID:0000500Organic compounds containing at least one chlorine atom attached to either benzene ring of the biphenyl moiety.
Chlorinated dibenzo-p-dioxinsCHEMONTID:0000420Organic compounds containing a chlorine atom attached to a dibenzo-p-dioxin moiety.
Chlorinated dibenzofuransCHEMONTID:0001378Organic compounds containing a chlorine atom attached to a dibenzofuran moiety.
ChlorinsCHEMONTID:0000716Large heterocyclic aromatic ring systems consisting, at the core, of three pyrroles and one pyrroline coupled through four methine linkages.
Chloro-s-triazinesCHEMONTID:0004721Aromatic compounds containing a 1,3,5-triazine ring that is substituted at the 2-position with a chlorine atom.
ChloroacetamidesCHEMONTID:0004527Organic compounds with the general formula RNHC(=O)CH2Cl, where R= organyl group.
ChloroalkenesCHEMONTID:0003905Compounds derived from an alkene by replacing a hydrogen atom with a chlorine atom.
ChloroanilinesCHEMONTID:0004526Aromatic compounds containing an aniline moiety substituted at one or more positions with a chlorine atom.
ChlorobenzenesCHEMONTID:0001099Compounds containing one or more chlorine atoms attached to a benzene moiety.
ChlorocatecholsCHEMONTID:0002696Catechols having one or more chlorine atoms attached to the benzene ring.
ChloroethylnitrosoureasCHEMONTID:0004508Nitrosoureas derivatives where the central nitrogen atom carrying the nitroso group is also linked to a chloroethyl group.
ChlorofluorocarbonsCHEMONTID:0004521Alkyhalide compounds that are composed only of chlorine, fluorine, and carbon atoms.
Chloroformic acid estersCHEMONTID:0004430Organochlorine compounds which are esters of chloroformic acid.
Chlorogenic acids and derivativesCHEMONTID:0003004Esters hydroxycinnamic acid with quinic acid (3-O, 4-O, or 4-O) or tartaric acid. The cinnamic acid moiety is hydroxylated at positions 3, 4, or both.
ChlorohydrinsCHEMONTID:0002608Alcohols substituted by a chlorine atom at a saturated carbon atom otherwise bearing only hydrogen or hydrocarbyl groups.
ChlorohydroquinonesCHEMONTID:0003084Organic compounds containing a chlorine atom attached to a hydroquinone.
ChloronaphthalenesCHEMONTID:0004794Aromatic heterocyclic compounds containing a naphthalene moiety substituted at one or more positions by a chlorine atom.
ChlorophenolsCHEMONTID:0002766Halophenols carrying a chlorine on the benzene ring.
ChlorophenoxyacetatesCHEMONTID:0004525Compounds containing a phenoxyacetate that carries one or more chlorine atoms on the benzene ring.
Chloropropanol estersCHEMONTID:0001725Compounds containing an ester derivative of chloropropanol.
ChloroquinolinesCHEMONTID:0004008Compounds containing a quinoline moiety, which carries one or more chlorine atoms.
Cholestane steroidsCHEMONTID:0003566Steroids with a structure containing the 27-carbon cholestane skeleton.
Cholesterols and derivativesCHEMONTID:0001469Compounds containing a 3-hydroxylated cholestane core.
Cholesteryl estersCHEMONTID:0001490Compounds containing an esterified cholestane moiety.
CholinesCHEMONTID:0001012Organic compounds containing a N,N,N-trimethylethanolammonium cation.
Chromeno[2,3-b]pyridine-5-onesCHEMONTID:0004775Compounds containing a Chromeno[2,3-b]pyridine moiety that carries an oxo group at the 5-position.
Chromeno[2,3-b]pyridinesCHEMONTID:0004774Aromatic heteropolycyclic compounds containing pyridine linearly fused to the pyran moiety of a benzofuran ring system.
ChromenopyridinesCHEMONTID:0002339Aromatic heterocyclic compounds structurally characterized by a pyridine ring fused to a chromene moiety.
ChromonesCHEMONTID:0000144Compounds containing a benzopyran-4-one moiety.
ChrysenesCHEMONTID:0001142Compounds containing the polyaromatic chrysene moiety, which consists of a benzene ring fused to a phenanthrene ring system to form Benzo[a]phenanthrene.
Ciguatera toxinsCHEMONTID:0001808Lipid-soluble polyether compounds consisting of 13 to 14 rings fused by ether linkages into a most rigid ladder-like structure.
Cinchona alkaloidsCHEMONTID:0002246Alkaloids structurally characterized by the presence of the cinchonan skeleton, which consists of a quinoline linked to an azabicyclo[2.2.2]octane moiety.
CinnamaldehydesCHEMONTID:0000029Organic aromatic compounds containing a cinnamlaldehyde moiety, consisting of a benzene and an aldehyde group to form 3-phenylprop-2-enal.
Cinnamic acid amidesCHEMONTID:0002810Amides of cinnamic acids. Cinnamic acid is an aromatic compound containing a benzene and a carboxylic acid group forming 3-phenylprop-2-enoic acid.
Cinnamic acid estersCHEMONTID:0003480Compound containing an ester derivative of cinnamic acid.
Cinnamic acidsCHEMONTID:0002504Organic aromatic compounds containing a benzene and a carboxylic acid group forming 3-phenylprop-2-enoic acid.
Cinnamic acids and derivativesCHEMONTID:0000476Organic aromatic compounds containing a benzene and a carboxylic acid group (or a derivative thereof) forming 3-phenylprop-2-enoic acid.
Cinnamyl alcoholsCHEMONTID:0002754Aromatic alcohols containing a 3-phenylprop-2-en-1-ol moiety.
CinnamylphenolsCHEMONTID:0003496Organic compounds containing the 1,3-diphenylpropene moiety with one benzene ring bearing one or more hydroxyl groups.
CinnolinesCHEMONTID:0000206Organic aromatic compounds containing a benzene fused to a pyridazine ring.
Cladiellane diterpenoidsCHEMONTID:0004153Diterpenoids containing a cladiellane skeleton. Cladiellane is a tricyclic ring system derived from eunicellane.
ClavamsCHEMONTID:0000169Organic compounds containing a 4-oxa-1-azabicyclo[3.2.0]heptan-7-one moiety. Clavams are similar to penams, but with an oxygen substituted for the sulfur in the penam skeleton.
Clavines and derivativesCHEMONTID:0002747Hydroxy and dehydro derivatives of 6,8-dimethylergolenes and the corresponding ergolines.
Clavulones and derivativesCHEMONTID:0001021Ester derivatives of prostanoids.
Cobalamin derivativesCHEMONTID:0000352Organic compounds containing a corrin ring, a cobalt atom, an a nucleotide moiety. Cobalamin Derivatives are actually derived from vitamin B12.
Coenzyme A and derivativesCHEMONTID:0001143Derivative of vitamin B5 containing a 4'-phosphopantetheine moiety attached to a diphospho-adenosine.
ColchicinesCHEMONTID:0001390Compounds containing the benzo[a]heptalene based colchicin moiety or a derivative thereof. Colchicine is a tricyclic compound consisting of a benzene ring angularly fused to a tetrahydroheptalene that carries a N-acetamide group.
Colensane and clerodane diterpenoidsCHEMONTID:0001757Diterpenoids with a structure based on the clerodane or the colensane skeleton. Clerodanes arise from labdanes by two methyl migrations.
Complex tanninsCHEMONTID:0001712Tannins made of a catechin bound to a gallotannin or elagitannin.
Conanine-type alkaloidsCHEMONTID:0002731Alkaloids with a structure based on the conanine skeleton.
Condylocarpan alkaloidsCHEMONTID:0003756Alkaloids with a structure based on the condylocarpan backbone. These alkaloids contain a ring system similar to that of the curan group, but are formed by cyclisation of C-21 on to C-7 in a Corynanthe precursor, rather than the formation of a 3,7 bond.
Correantan alkaloidsCHEMONTID:0003764Alkaloids with a structure that is based on the correantan skeleton, which is a tetracyclic compound consisting of the seven-membered azepane ring fused to the pyridine moiety of a beta-carboline.
CorrinoidsCHEMONTID:0000353Derivatives of the corrin nucleus, which contain four reduced or partly reduced pyrrole rings joined in a macrocycle by three =CH- groups and one direct carbon-carbon bond linking alpha positions.
CorrolesCHEMONTID:0001182Compounds containing a corrole nucleus, which contains four pyrrole rings joined in a macrocycle by three groups and one direct carbon-carbon bond linking alpha positions.
Corynanthean-type alkaloidsCHEMONTID:0002750Alkaloids with a structure based on the corynanthean nucleus, which is a tetracycle characterized by an indole fused to a quinolizidine. Additionally, the quinolizidine ring system is substituted to a 2-methylpropyl group and one ethyl group.
CoumaransCHEMONTID:0004189Compounds containing the coumaran skeleton, which consists of a benzene ring fused to a 2,3-dihydrofuran ring.
Coumaric acid estersCHEMONTID:0000465Aromatic compounds containing an ester derivative of coumaric acid.
Coumaric acidsCHEMONTID:0002505Aromatic compounds containing a cinnamic acid moiety hydroxylated at the C2 (ortho-), C3 (meta-), or C4 (para-) carbon atom of the benzene ring.
Coumaric acids and derivativesCHEMONTID:0000059Aromatic compounds containing Aromatic compounds containing a cinnamic acid moiety (or a derivative thereof) hydroxylated at the C2 (ortho-), C3 (meta-), or C4 (para-) carbon atom of the benzene ring.
Coumarin glycosidesCHEMONTID:0001743Aromatic compounds containing a carbohydrate moiety glycosidically bound to a coumarin moiety.
Coumarino-alpha-pyronesCHEMONTID:0003190Organic compounds with a structure characterized by the presence of a pyrano[3,2-c]chromene that carries two ketone groups at the 2- and 5-positions.
Coumarino-gamma-pyronesCHEMONTID:0003191Organic compounds with a structure characterized by the presence of a pyrano[3,2-c]chromene that carries two ketone groups at the 4- and 5-positions.
CoumarinolignansCHEMONTID:0002545Lignans with a structure characterized by the presence of a 1,4-dioxane bridge substituted by a phenyl group, and fused to a coumarin.
Coumarins and derivativesCHEMONTID:0000145Polycyclic aromatic compounds containing a 1-benzopyran moiety with a ketone group at the C2 carbon atom (1-benzopyran-2-one).
CoumaronochromenesCHEMONTID:0003470Isoflavonoids with a structure characterized by the presence of a benzopyran and a benzofuran, with the particularity that the pyran and the furan ring are fused to each other.
CoumaronochromonesCHEMONTID:0001742Polycyclic aromatic compounds containing a 1-benzopyran-4-one and a benzofuran, where the furan ring and the pyran ring are fused together.
Coumaroyl glycosidesCHEMONTID:0002682Compounds containing coumaric acid esterified with a glycosyl group.
CoumestansCHEMONTID:0000354Polycyclic aromatic compounds containing a coumestan moiety, which consists of a benzoxole fused to a chromen-2-one to form 1-Benzoxolo[3,2-c]chromen-6-one. They are oxidation products of pterocarpan.
CresolsCHEMONTID:0001272Aromatic compounds containing a methoxyphenol moiety.
Crinine- and Haemanthamine-type amaryllidaceae alkaloidsCHEMONTID:0004123Amaryllidaceae alkaloids compounds with a structure based on the crinine or haemanthamine backbone. Both backbones have a common 5,10b-ethano bridge moiety in their frameworks, which is a very significant taxonomic feature, and the configurations of the 5,10b-ethano bridge are opposite to each other.
Croomine-type alkaloidsCHEMONTID:0003428Stemona alkaloids with a structure containing a pyrrolo[1,2-a]azepine group, where the azepine moiety forms a spiro system with oxolane-5-one to give spiro[oxolane-2,9'-pyrrolo[1,2-a]azepine]-5-one. Moreover, another 5-oxooxolane moiety attached to the pyrrole ring.
Cucurbitacin glycosidesCHEMONTID:0001687Polycyclic compounds containing a carbohydrate derivative glycosidically linked to a curcubitane nucleus.
CucurbitacinsCHEMONTID:0001686Polycyclic compounds containing the tetracyclic cucurbitane nucleus skeleton, 19-(10->9b)-abeo-10alanost-5-ene (also known as 9b-methyl-19-nor lanosta-5-ene), with a variety of oxygenation functionalities at different positions.
Cularin alkaloids and derivativesCHEMONTID:0002657Derivatives of benzyl isoquinolines in which a phenolic oxygen is incorporated into a seven-membered ring.
CumenesCHEMONTID:0000355Aromatic compounds containing a prop-2-ylbenzene moiety.
CumulenesCHEMONTID:0004553Hydrocarbons that contain at least three consecutive double bonds.
Curan alkaloidsCHEMONTID:0001783Compounds containing the pentacyclic curan skeleton, which is structurally characterized by the presence of a pentacyclic 3,5-ethanopyrrolo[2,3-d]carbazole framework.
CurcuminoidsCHEMONTID:0000356Aromatic compounds containing a curcumin moiety, which is composed of two aryl buten-2-one (feruloyl) chromophores joined by a methylene group.
Cyanate estersCHEMONTID:0004560Esters of cyanic acid, with the general formula R-OC#N (R = organyl group).
CyanatesCHEMONTID:0000363Organic compounds containing the cyanate functional group with the formula [OCN]-.
Cyanide saltsCHEMONTID:0004026Organic compounds containing the cyanide anion [C-]#N.
CyanoacrylatesCHEMONTID:0004768Organonitrogen compounds containing an acrylic acid ester, which carries a nitrile group. They have the general structure ROC(=O)C(=C)C#N, where R is an organic group.
Cyanogenic glycosidesCHEMONTID:0002365Glycosides in which the aglycone moiety contains a cyanide group.
CyanogensCHEMONTID:0004084Organonitrogen compounds of the form NC-CN or X-CN, where X is a halogen.
CyanohydrinsCHEMONTID:0001375Organic compounds containing the cyanohydrin functional group, -C(OH)CN.
CyanolipidsCHEMONTID:0001744Lipids containing a five-carbon backbone that comprises a nitrile moiety together with a methylene group or double bond, and one or two hydroxyl groups. Cyanolipids are divided in four categories (type I-IV).
Cyathane diterpenoidsCHEMONTID:0002876Fungal diterpenoid metabolites with a structure containing the cyathane skeleton (Tetradecahydro-3a,5a,8-trimethyl-1-(1-methylethyl)-cyclohept[e]indene).
CyclamatesCHEMONTID:0000365Compounds containing a cyclohexylsulfamic acid moiety.
Cyclic acetylenesCHEMONTID:0002846Cyclic hydrocarbons containing one or more acetylene groups.
Cyclic alcohols and derivativesCHEMONTID:0001292Organic compounds containing an aliphatic ring substituted with at least one hydroxyl group.
Cyclic allenesCHEMONTID:0001679Cyclic hydrocarbons (and by extension, derivatives formed by substitution) having two double bonds from one carbon atom to two others.
Cyclic carboximidic acidsCHEMONTID:0003881Organic acids with the general formula RC(=N)-OH (R=H, organic group), where the carboximidic acid group is part of a cycle.
Cyclic depsipeptidesCHEMONTID:0001994Natural or synthetic compounds having sequences of amino and hydroxy carboxylic acid residues (usually α-amino and α-hydroxy acids) connected in a ring. The residues are commonly but not necessarily regularly alternating.
Cyclic diarylheptanoidsCHEMONTID:0002652Diarylheptanoids where the two aromatic rings of the skeleton are joined by a CC bond or an ether group, in addition to the heptane chain.
Cyclic dithiocarbamatesCHEMONTID:0003937Organic compounds containing the dithiocarbamic acid group as part of a cycle.
Cyclic dithiocarbamic acid estersCHEMONTID:0004722Organosulfur cyclic compounds with the general formula R3SC(=S)N(R1)R2; R1-R2 = H or organyl group, R3 = organyl. Here, the dithiocarbamyl group is part of a ring.
Cyclic glycodepsipeptidesCHEMONTID:0002250Peptidomimetic containing a glycodepisipeptide backbone that lies in a cyclic moiety.
Cyclic glycopeptides and derivativesCHEMONTID:0001996Compounds containing a carbohydrate covalently attached to a the backbone of a cyclic peptide.
Cyclic glycosylpeptides and derivativesCHEMONTID:0003333Compounds containing a carbohydrate moiety glycosidically linked to a cyclic peptide.
Cyclic imidothioic acidsCHEMONTID:0003884Organic compounds containing the imidothioic acid group as part of a cycle.
Cyclic imidoyl halidesCHEMONTID:0003887Imidoyl halides with the general formula R(X)C=NR' (R, R'=H, alkyl, aryl), where the central carbon atom is part of a ring.
Cyclic ketonesCHEMONTID:0003487Organic compounds containing a ketone that is conjugated to a cyclic moiety.
Cyclic olefinsCHEMONTID:0002840Olefins that contain at least one ring in their structure.
Cyclic peptidesCHEMONTID:0001995Compounds containing a cyclic moiety bearing a peptide backbone.
Cyclic purine nucleotidesCHEMONTID:0001491Purine nucleotides where one ribose group of the hydroxyl moiety and one phosphate group form a ring.
Cyclic pyrimidine nucleotidesCHEMONTID:0001492Pyrimidine nucleotides where one ribose group of the hydroxyl moiety and one phosphate group form a ring.
Cyclic sulfite estersCHEMONTID:0004751Organic compounds containing a sulfite ester group as part of a ring.
CyclitolsCHEMONTID:0004344Compounds containing a cycloalkane moiety with one hydroxyl group on each of three or more ring atoms.
Cyclitols and derivativesCHEMONTID:0002509Compounds containing a cycloalkane moiety with one hydroxyl group on each of three or more ring atoms. These of also include derivatives where the hydrogen atom of one or more of the hydroxyl groups is replaced with another atom.
CycloalkanesCHEMONTID:0001016Saturated monocyclic hydrocarbons (with or without side chains).
CycloalkenesCHEMONTID:0000017Unsaturated monocyclic hydrocarbons having one endocyclic double bond.
CycloalkynesCHEMONTID:0002850Unsaturated monocyclic hydrocarbons having one endocyclic triple bond.
Cycloartanols and derivativesCHEMONTID:0002321Steroids containing a cycloartanol moiety.
Cyclobutane lignansCHEMONTID:0003419Lignans with a structure characterized by to phenylpropanoid units coupled together through the C7-C7' and C8-C8' bonds, forming a cyclobutane ring with the C7, C7', C8', and C8 atoms.
Cyclobutyl nucleosidesCHEMONTID:0003723Nucleoside analogues with a structure that consists of a cyclobutane that is substituted a the 1-position with a hydroxyl group and at the 3- position with either a purine or pyrimidine base.
CycloheptafuransCHEMONTID:0002936Organic heterocyclic compounds containing a cycloheptane derivative fused to a furan. Furan is a five-membered aromatic ring with four carbon atoms and one oxygen atom.
CycloheptapyransCHEMONTID:0002937Organic heterocyclic compounds containing a cycloheptane derivative fused to a pyran. Pyran a six-membered heterocyclic, non-aromatic ring, made up of five carbon atoms and one oxygen atom and containing two double bonds.
CycloheptathiophenesCHEMONTID:0002338Polycyclic compounds containing a thiophene ring fused to a 7 member carbocyclic moiety. Thiophene is 5-membered ring consisting of four carbon atoms and one sulfur atom.
Cyclohexane sesterterpenesCHEMONTID:0003399Sesterterpenoids with a structure containing a cyclohexane linked to an isoprenyl chain. They arise by cyclisation of the acyclic sesterterpene skeleton between carbons 14 and 19.
CyclohexanolsCHEMONTID:0002647Compounds containing an alcohol group attached to a cyclohexane ring.
CyclohexanonesCHEMONTID:0002646Compounds containing a cylohexenone moiety, which is a six-membered saturated aliphatic ring that carries a ketone.
Cyclohexene oximesCHEMONTID:0004723Cyclic compounds containing a oxime group which is substituted with a cyclohexene ring.
CyclohexenonesCHEMONTID:0004325Compounds containing a cylohexenone moiety, which is a six-membered aliphatic ring that carries a ketone and has one endocyclic double bond.
Cyclohexyl halidesCHEMONTID:0004485Organohalogen compounds containing a monocyclic cyclohexane moiety that is substituted at one or more positions by an halogen atom.
CyclohexylaminesCHEMONTID:0002674Organic compounds containing a cyclohexylamine moiety, which consist of a cyclohexane ring attached to an amine group.
CyclohexylphenolsCHEMONTID:0002099Compounds containing a cyclohexane lined to a phenol group.
CyclopentanolsCHEMONTID:0002938Compounds containing a cyclopentane ring that carries an alcohol group.
Cyclopentyl nucleosidesCHEMONTID:0003738Nucleoside analogues with a structure that consists of a cyclobutane that is substituted a the 1-position with a hydroxyl group and at the 2- or the 3- position with either a purine or pyrimidine base.
Cyclopropanecarboxylic acidsCHEMONTID:0002525Organic compounds containing a carboxyl group attached to a cyclopropane ring.
Cyclopropanecarboxylic acids and derivativesCHEMONTID:0002524Organic compounds containing a carboxyl group (or a derivative thereof) attached to a cyclopropane ring.
Cyclopropyl nucleosidesCHEMONTID:0003741Nucleoside analogues with a structure that consists of a cyclopropane that is substituted a the 1-position with a hydroxyl group and at the 2- position with either a purine or pyrimidine base.
Cyclopropyl purine nucleosidesCHEMONTID:0003721Nucleoside analogues with a structure that consists of a cyclopropane that is substituted a the 1-position with a hydroxyl group and at the 2- position with either a purine base.
Cyclopropyl pyrimidine nucleosidesCHEMONTID:0003722Nucleoside analogues with a structure that consists of a cyclopropane that is substituted a the 1-position with a hydroxyl group and at the 2- position with either a pyrimidine base.
CyclopropylisoxazolesCHEMONTID:0004724Aromatic heterocyclic compounds containing an isoxazole ring substituted at one or more positions with a cyclopropyl group.
CyclopyrrolonesCHEMONTID:0000192Compounds belonging to a family of pyridin-2-ylpyrrole based chemicals. The pyrrole is usually fused to a benzene, pyrimidine, or dithiin.
CyclosporinsCHEMONTID:0001601Cyclic depsipeptides containing the cyclosporin backbone.
CylindrospermopsinsCHEMONTID:0001899Compounds containing a cylindrospermopsin moiety, which contains a triazaacenaphthylene moiety linked to a pyrimidinedione.
Cysteine and derivativesCHEMONTID:0004313Compounds containing cysteine or a derivative thereof resulting from reaction of cysteine at the amino group or the carboxy group, or from the replacement of any hydrogen of glycine by a heteroatom.
Cytisine and derivativesCHEMONTID:0002722Lupin alkaloids with a structure based on the cytisine skeleton, which is a tetracyclic ketone containing fused pyridine and piperidine rings that form pyrido[1,2a][1,5]diazocin-8-one.
CytochalasansCHEMONTID:0001821Fungal metabolites structurally characterized by the presence of an isoindolone nucleus fused to a macrocyclic ring, which can either a lactone, as in cytochalasin B, a carbonate, as in cytochalasin E, or a carbocycle, as in cytochalasin D, H, and K.
CytochalasinsCHEMONTID:0002852Cytochalasans in which the hydrogenated isoindolone bears a benzyl group.