Compound classification

  • Compounds
    • Chemical entities
      • Inorganic compounds
        • Homogeneous metal compounds
          • Homogeneous alkali metal compounds
          • Homogeneous transition metal compounds
        • Homogeneous non-metal compounds
          • Homogeneous halogens
          • Homogeneous other non-metal compounds
          • Other non-metal organides
            • Other non-metal nitrides
      • Organic compounds
        • Alkaloids and derivatives
        • Benzenoids
          • Benzene and substituted derivatives
            • Anilides
              • Acetanilides
            • Benzoic acids and derivatives
              • Acylaminobenzoic acid and derivatives
              • Aminobenzoic acids and derivatives
                • Aminobenzoic acids
              • Benzamides
                • Hippuric acids and derivatives
                  • Hippuric acids
              • Benzoic acid esters
                • p-Hydroxybenzoic acid esters
                  • p-Hydroxybenzoic acid alkyl esters
              • Benzoic acids
              • Hydroxybenzoic acid derivatives
                • Gallic acid and derivatives
                  • Gallic acids
                  • Galloyl esters
                • Salicylic acid and derivatives
                  • Salicylic acids
              • Methoxybenzoic acids and derivatives
                • M-methoxybenzoic acids and derivatives
            • Benzophenones
            • Biphenyls and derivatives
              • Brominated biphenyls
                • Polybrominated biphenyls
              • Chlorinated biphenyls
                • Polychlorinated biphenyls
            • Diphenylethers
              • Bromodiphenyl ethers
            • Diphenylmethanes
              • Bisphenols
            • Halobenzenes
              • Chlorobenzenes
                • Dichlorobenzenes
            • Phenethylamines
            • Phenylacetic acids
              • 2(hydroxyphenyl)acetic acids
            • Phenylhydrazines
            • Phenylpyruvic acid derivatives
            • Toluenes
          • Fluorenes
          • Naphthalenes
            • Naphthols and derivatives
          • Phenanthrenes and derivatives
            • Chrysenes
            • Phenanthrols
          • Phenol esters
          • Phenol ethers
            • Anisoles
          • Phenols
            • 1-hydroxy-2-unsubstituted benzenoids
            • 1-hydroxy-4-unsubstituted benzenoids
            • Benzenediols
              • Catechols
                • Catecholamines and derivatives
              • Hydroquinones
              • Resorcinols
            • Benzenetriols and derivatives
              • Phloroglucinols and derivatives
              • Pyrogallols and derivatives
                • 5-unsubstituted pyrrogallols
            • Cresols
              • Meta cresols
              • Para cresols
            • Halophenols
              • Bromophenols
                • P-bromophenols
              • Chlorophenols
                • P-chlorophenols
            • Methoxyphenols
            • Tyrosols and derivatives
              • Tyrosols
          • Pyrenes
            • Benzopyrenes
        • Lignans, neolignans and related compounds
          • Dibenzylbutane lignans
            • Dibenzylbutanediol lignans
          • Furanoid lignans
            • Tetrahydrofuran lignans
              • 7,9'-epoxylignans
              • 9,9'-epoxylignans
                • Dibenzylbutyrolactone lignans
        • Lipids and lipid-like molecules
          • Fatty Acyls
            • Eicosanoids
              • Prostaglandins and related compounds
            • Fatty acid esters
              • Acyl carnitines
              • Wax esters
                • Wax monoesters
            • Fatty acids and conjugates
              • Branched fatty acids
                • Methyl-branched fatty acids
              • Heterocyclic fatty acids
                • Furanoid fatty acids
              • Hydroxy fatty acids
              • Long-chain fatty acids
              • Medium-chain fatty acids
              • Straight chain fatty acids
              • Sulfated fatty acids
              • Thia fatty acids
              • Very long-chain fatty acids
            • Fatty alcohols
              • Long-chain fatty alcohols
            • Lineolic acids and derivatives
          • Glycerolipids
            • Diradylglycerols
              • Diacylglycerols
                • 1,2-diacylglycerols
            • Monoradylglycerols
              • Monoacylglycerols
                • 1-monoacylglycerols
            • Triradylcglycerols
              • Triacylglycerols
          • Glycerophospholipids
            • Glycerophosphates
            • Glycerophosphocholines
              • Lysophosphatidylcholines
                • 1-acyl-sn-glycero-3-phosphocholines
              • Phosphatidylcholines
          • Prenol lipids
            • Diterpenoids
              • Acyclic diterpenoids
              • Kaurane diterpenoids
            • Monoterpenoids
              • Bicyclic monoterpenoids
              • Menthane monoterpenoids
            • Quinone and hydroquinone lipids
              • Prenylquinones
                • Ubiquinones
              • Vitamin E compounds
                • Tocopherols
              • Vitamin K compounds
            • Retinoids
            • Sesquiterpenoids
              • Eremophilane, 8,9-secoeremophilane and furoeremophilane sesquiterpenoids
            • Sesterterpenoids
            • Tetraterpenoids
              • Carotenoids
                • Carotenes
                • Xanthophylls
          • Sphingolipids
            • Ceramides
            • Phosphosphingolipids
              • Sphingomyelins
          • Steroids and steroid derivatives
            • Bile acids, alcohols and derivatives
              • Glycinated bile acids and derivatives
              • Hydroxy bile acids, alcohols and derivatives
                • Dihydroxy bile acids, alcohols and derivatives
                • Monohydroxy bile acids, alcohols and derivatives
                • Trihydroxy bile acids, alcohols and derivatives
              • Taurinated bile acids and derivatives
            • Cholestane steroids
              • Cholesterols and derivatives
            • Ergostane steroids
              • Ergosterols and derivatives
            • Estrane steroids
              • Estrogens and derivatives
            • Hydroxysteroids
              • 21-hydroxysteroids
            • Stigmastanes and derivatives
            • Sulfated steroids
            • Vitamin D and derivatives
        • Nucleosides, nucleotides, and analogues
          • Flavin nucleotides
          • Purine nucleosides
          • Purine nucleotides
            • Purine deoxyribonucleotides
              • Purine deoxyribonucleoside monophosphates
                • Purine 2'-deoxyribonucleoside monophosphates
            • Purine ribonucleotides
              • Purine ribonucleoside monophosphates
          • Pyrimidine nucleosides
            • Pyrimidine 2'-deoxyribonucleosides
          • Pyrimidine nucleotides
            • Pyrimidine deoxyribonucleotides
              • Pyrimidine deoxyribonucleoside monophosphates
                • Pyrimidine 2'-deoxyribonucleoside monophosphates
            • Pyrimidine ribonucleotides
              • Pyrimidine ribonucleoside monophosphates
        • Organic acids and derivatives
          • Carboximidic acids and derivatives
            • Carboximidic acids
          • Carboxylic acids and derivatives
            • Alpha-halocarboxylic acids and derivatives
              • Alpha-halocarboxylic acids
            • Amino acids, peptides, and analogues
              • Amino acids and derivatives
                • Alpha amino acids and derivatives
                  • Alanine and derivatives
                  • Alpha amino acids
                    • L-alpha-amino acids
                  • Arginine and derivatives
                  • Asparagine and derivatives
                  • Aspartic acid and derivatives
                  • Cysteine and derivatives
                    • L-cysteine-S-conjugates
                  • Glutamic acid and derivatives
                  • Glutamine and derivatives
                  • Histidine and derivatives
                  • Isoleucine and derivatives
                  • Leucine and derivatives
                  • Methionine and derivatives
                  • N-acyl-alpha amino acids and derivatives
                    • N-acyl-alpha amino acids
                      • N-acyl-L-alpha-amino acids
                  • Phenylalanine and derivatives
                  • Proline and derivatives
                  • Serine and derivatives
                  • Tyrosine and derivatives
                  • Valine and derivatives
                • Beta amino acids and derivatives
                • Delta amino acids and derivatives
                • Gamma amino acids and derivatives
              • Peptides
                • Dipeptides
            • Carboxylic acid derivatives
              • Carboxylic acid amides
                • Acetamides
                  • N-acetyl-2-arylethylamines
            • Carboxylic acids
            • Dicarboxylic acids and derivatives
            • Tricarboxylic acids and derivatives
          • Dithiocarbamic acids and derivatives
          • Hydroxy acids and derivatives
            • Alpha hydroxy acids and derivatives
            • Beta hydroxy acids and derivatives
            • Medium-chain hydroxy acids and derivatives
            • Short-chain hydroxy acids and derivatives
          • Keto acids and derivatives
            • Gamma-keto acids and derivatives
            • Short-chain keto acids and derivatives
          • Organic carbonic acids and derivatives
            • Ureas
          • Organic phosphonic acids and derivatives
            • Organic phosphonic acids
          • Organic phosphoric acids and derivatives
            • Phosphate esters
              • Alkyl phosphates
                • Dialkyl phosphates
              • Aryl phosphates
                • Aryl phosphodiesters
          • Organic sulfonic acids and derivatives
            • Organosulfonic acids and derivatives
              • Organosulfonic acids
          • Organic sulfuric acids and derivatives
            • Arylsulfates
              • Phenylsulfates
          • Organic thiophosphoric acids and derivatives
            • Thiophosphoric acid esters
              • Aryl thiophosphates
          • Peptidomimetics
            • Hybrid peptides
        • Organic nitrogen compounds
          • Organonitrogen compounds
            • Amines
              • Alkanolamines
                • 1,2-aminoalcohols
                  • N-acylethanolamines
              • Primary amines
                • 2-arylethylamines
                • Monoalkylamines
              • Secondary amines
                • Dialkylamines
              • Tertiary amines
                • Trialkylamines
            • Aminoxides
              • Trialkyl amine oxides
            • Guanidines
            • N-arylamides
              • N-acetylarylamines
            • Quaternary ammonium salts
              • Carnitines
              • Cholines
              • Tetraalkylammonium salts
        • Organic oxygen compounds
          • Organooxygen compounds
            • Alcohols and polyols
              • Cyclic alcohols and derivatives
                • Cyclitols and derivatives
                  • Quinic acids and derivatives
              • Primary alcohols
              • Secondary alcohols
                • Cyclohexanols
              • Tertiary alcohols
            • Carbohydrates and carbohydrate conjugates
              • Aminosaccharides
                • Amino sugars
                  • Acylaminosugars
              • Glycosyl compounds
                • C-glycosyl compounds
                • O-glycosyl compounds
                • Phenolic glycosides
              • Monosaccharides
                • Hexoses
                  • Hexose phosphates
                • Monosaccharide phosphates
                • Pentoses
                  • Pentose phosphates
              • Sugar acids and derivatives
                • Glucuronic acid derivatives
                  • Glucuronides
                    • O-glucuronides
                • Sugar amino acids and derivatives
                  • Pyranoid amino acids and derivatives
                    • Neuraminic acids and derivatives
                      • N-acylneuraminic acids and derivatives
                        • N-acylneuraminic acids
              • Sugar alcohols
            • Carbonyl compounds
              • Aldehydes
                • Alpha-hydrogen aldehydes
                • Aryl-aldehydes
                  • Benzaldehydes
                    • Hydroxybenzaldehydes
              • Ketones
                • Aryl ketones
                  • Phenylketones
                    • Alkyl-phenylketones
        • Organohalogen compounds
          • Alkyl halides
            • Cyclohexyl halides
            • Halomethanes
              • Trihalomethanes
          • Organobromides
          • Organochlorides
          • Vinyl halides
            • Vinyl chlorides
        • Organoheterocyclic compounds
          • Azoles
            • Imidazoles
              • Substituted imidazoles
                • Imidazolyl carboxylic acids and derivatives
          • Azolidines
            • Oxatriazolidines
          • Benzodioxins
            • Benzo-p-dioxins
              • Dibenzo-p-dioxins
                • Chlorinated dibenzo-p-dioxins
          • Benzofurans
            • Dibenzofurans
              • Chlorinated dibenzofurans
                • Polychlorinated dibenzofurans
          • Benzoxazines
            • Benzoxazinones
          • Biotin and derivatives
          • Diazanaphthalenes
            • Benzodiazines
              • Quinoxalines
          • Diazines
            • Pyrimidines and pyrimidine derivatives
              • Hydroxypyrimidines
              • Pyrimidinecarboxylic acids and derivatives
                • Pyrimidinecarboxylic acids
              • Pyrimidones
              • Thiamines
          • Dihydrofurans
            • Furanones
              • Butenolides
          • Dioxanes
          • Epoxides
            • Oxirane carboxylic acids and derivatives
          • Imidazopyrimidines
            • Purines and purine derivatives
              • 6-aminopurines
              • Purinones
                • Hypoxanthines
              • Xanthines
          • Indoles and derivatives
            • Hydroxyindoles
            • Indolecarboxylic acids and derivatives
            • Indoles
              • 3-alkylindoles
                • 3-methylindoles
            • Indolines
            • Indolyl carboxylic acids and derivatives
              • Indole-3-acetic acid derivatives
            • Pyridoindoles
              • Alpha carbolines
              • Beta carbolines
            • Tryptamines and derivatives
              • Serotonins
          • Lactones
            • Gamma butyrolactones
          • Oxanes
          • Piperidines
          • Pteridines and derivatives
            • Alloxazines and isoalloxazines
              • Flavins
            • Pterins and derivatives
          • Pyrans
            • Pyranones and derivatives
          • Pyridines and derivatives
            • Halopyridines
              • Polyhalopyridines
            • Phenylpyridines
            • Pyridine carboxaldehydes
              • Pyridoxals and derivatives
            • Pyridinecarboxylic acids and derivatives
              • Pyridinecarboxamides
                • Nicotinamides
              • Pyridinecarboxylic acids
            • Pyridoxamines
              • Pyridoxamine 5'-phosphates
            • Pyridoxines
              • Pyridoxine-5'-phosphates
            • Pyrrolidinylpyridines
          • Pyrrolidines
          • Quinolines and derivatives
            • Pyrroloquinolines
              • Pyrroloquinoline quinones
            • Quinoline carboxylic acids
          • Tetrapyrroles and derivatives
            • Bilirubins
            • Corrinoids
              • Cobalamin derivatives
        • Organometallic compounds
          • Metal alkyls
            • Transition metal alkyls
        • Organosulfur compounds
          • Isothiocyanates
          • Sulfonyls
            • Sulfones
        • Phenylpropanoids and polyketides
          • Alpha-methyldeoxybenzoin flavonoids
          • Cinnamic acids and derivatives
            • Cinnamic acids
            • Hydroxycinnamic acids and derivatives
              • Coumaric acids and derivatives
              • Hydroxycinnamic acid esters
                • Hydroxycinnamic acid glycosides
                  • Coumaroyl glycosides
                    • M-coumaroyl glycosides
              • Hydroxycinnamic acids
          • Coumarins and derivatives
            • Furanocoumarins
              • Angular furanocoumarins
                • Aflatoxins
          • Flavonoids
            • Flavans
              • Flavan-3-ols
                • Catechins
                  • Catechin gallates
                  • Epigallocatechins
              • Flavanones
            • Flavones
              • Flavonols
            • Flavonoid glycosides
              • Flavonoid C-glycosides
                • Flavonoid 8-C-glycosides
              • Flavonoid O-glycosides
                • Flavonoid O-glucuronides
                  • Flavonoid-7-O-glucuronides
                • Flavonoid-3-O-glycosides
            • O-methylated flavonoids
              • 4'-O-methylated flavonoids
          • Isoflavonoids
            • Coumestans
            • Isoflav-2-enes
              • Isoflavones
            • Isoflavans
              • Isoflavanols
              • Isoflavanones
            • O-methylated isoflavonoids
              • 4'-O-methylated isoflavonoids
                • 4'-O-methylisoflavones
          • Linear 1,3-diarylpropanoids
            • Chalcones and dihydrochalcones
              • 2'-Hydroxy-dihydrochalcones
            • Cinnamylphenols
          • Phenylpropanoic acids
          • Stilbenes
            • Stilbene glycosides
          • Tannins
            • Hydrolyzable tannins
IDIDClassification nameNo. of BiomarkersNo. of Microbial metabolitesNo. of Dietary compounds