Drug classes

Browse medicines by their chemical classification (ClassyFire taxonomy via DrugBank). 11,192 compounds across 303 chemical classes.

Organoheterocyclic compounds

2,844 compounds

Indoles and derivatives

280

Indoles(65)Carbazoles(38)Indolecarboxylic acids and derivatives(31)Indolyl carboxylic acids and derivatives(30)N-alkylindoles(29)

Azoles

250

Pyrazoles(84)Imidazoles(65)Thiazoles(31)Oxazoles(20)Triazoles(20)

Pyridines and derivatives

213

Phenylpyridines(47)Pyridinecarboxylic acids and derivatives(35)Hydropyridines(27)Pyridoxamines(20)Bipyridines and oligopyridines(15)

Quinolines and derivatives

192

Quinoline carboxylic acids(38)Benzoquinolines(26)Quinolones and derivatives(26)Aminoquinolines and derivatives(26)Phenylquinolines(21)

Diazines

187

Pyrimidines and pyrimidine derivatives(162)Pyridazines and derivatives(13)Pyrazines(12)

Diazanaphthalenes

140

Benzodiazines(124)Naphthyridines(16)

Piperidines

140

Phenylpiperidines(54)Benzylpiperidines(28)Fentanyls(14)Piperidinecarboxylic acids and derivatives(10)N-acylpiperidines(8)

Imidazopyrimidines

132

Purines and purine derivatives(132)

Diazinanes

118

Piperazines(116)

Benzimidazoles

100

Phenylbenzimidazoles(24)Sulfinylbenzimidazoles(9)2-benzimidazolylcarbamic acid esters(6)

Benzothiazoles

Furans

Diphenylfurans(9)Furoic acid and derivatives(8)Nitrofurans(5)

Pyrroles

Substituted pyrroles(20)Pyrrole carboxylic acids and derivatives(1)

Thiadiazines

Benzothiadiazines(18)

Benzoxazines

Benzoxazinones(7)Phenoxazines(4)

Benzopyrazoles

Indazoles(18)

Tetrapyrroles and derivatives

Corrinoids(5)Metallotetrapyrroles(3)Chlorins(3)Bilirubins(1)Porphyrins(1)

Benzodioxoles

Pyrazolopyrimidines

Pyrazolo[1,5-a]pyrimidines(7)Pyrazolo[3,4-d]pyrimidines(6)

Pyridopyrimidines

Pyrido[2,3-d]pyrimidines(9)

Imidazopyridines

Imidazo-[4,5-c]pyridines(4)

Triazines

Aminotriazines(10)Triazinones(2)1,3,5-triazines(2)

Pyrrolopyridines

Azolines

Imidazolines(2)Thiazolines(2)Oxazolines(2)Pyrazolines(2)Isoxazolines(1)

Benzothiophenes

1-benzothiophenes(9)

Azobenzenes

Triazolopyrimidines

Thienopyridines

Lactones

Delta valerolactones(4)Gamma butyrolactones(3)Beta propiolactones(1)

Furofurans

Isosorbides(7)

Pyrans

Pyranones and derivatives(4)

Phenanthrolines

Benzodioxanes

Benzo-1,4-dioxanes(6)Benzo-1,3-dioxanes(2)

Oxanes

Biotin and derivatives

Benzothiopyrans

1-benzothiopyrans(6)

Benzocycloheptapyridines

Naphthopyrans

Naphthopyranones(4)

Heteroaromatic compounds

Pyrrolines

Phenylpyrrolines(4)

Benzothiepins

Dibenzothiepins(5)

Thienopyrimidines

Benzoxazepines

Dibenzoxazepines(3)

Isocoumarans

Isobenzofuranones(4)

Benzisoxazoles

Oxepanes

Pyrazolopyridines

Pyranopyridines

Quinuclidines

Quinuclidones(1)

Azaspirodecane derivatives

Benzoxadiazoles

Benzothiazepines

Dibenzothiazepines(2)

Benzoxepines

Dibenzoxepines(3)

Benzotriazoles

Triazolobenzothiazoles(1)

Thienodiazepines

Naphthofurans

Furanonaphthodioxoles(1)

Epoxides

Thienoimidazolidines

Thienothiazines

Pyranodioxins

Indolizidines

Dioxaborolanes

Pyrroloazepines

Dihydrothiophenes

Pyrazolotriazines

Imidazopyrazines

Azepanes

Dihydrofurans

Furanones(2)

Dithiolanes

Lipoic acids and derivatives(2)

Dioxolopyrans

Benzoxazoles

Benzoxazolones(1)

Piperazinoazepines

Pyrrolopyrazines

Cyclopyrrolones(2)

Dioxanes

1,4-dioxanes(2)

Cycloheptathiophenes

Oxazaphosphinanes

Isofamides(2)

Dithianes

Cycloheptapyrans

Thiochromenes

Metalloheterocyclic compounds

Oxaborine derivatives(1)

Thiazines

1,3-thiazines(2)

Triazinanes

1,3,5-triazinanes(2)

Bi- and oligothiophenes

Imidazo[1,5-a]pyrazines

Triazolopyridines

Thiochromanes

Furopyrans

Imidazodiazepines

Benzothiadiazoles

Imidazothiazoles

Imidazotetrazines

Selenazoles

Thiolanes

Tetrahydrofurans

Thianes

Thiazepines

Para thiazepines(1)

Isoxazolopyridines

Diazepanes

1,3-diazepanes(1)

Pyrrolizines

Triazolopyrazines

Thienopyrroles

Furopyridines

Furo[2,3-c]pyridines(1)

Furopyrroles

Dihydroisoquinolines

Coumarans

Trioxanes

Pyrrolotriazines

Pyrrolo[2,1-f][1,2,4]triazines(1)

Thiazinanes

Thiomorpholines(1)

Pyrrolopyrazoles

Pyranopyrimidines

Thiadiazinanes

Benzodithiins

1,4-benzodithiins(1)

Azepines

Dioxolanes

1,3-dioxolanes(1)

Azetidines

Phenylazetidines(1)

Benzenoids

2,174 compounds

Benzene and substituted derivatives

1679

Benzoic acids and derivatives(292)Diphenylmethanes(150)Benzenesulfonamides(148)Anilides(138)Biphenyls and derivatives(102)

Naphthalenes

137

Naphthalenecarboxylic acids and derivatives(27)Naphthalene sulfonic acids and derivatives(25)Naphthoquinones(7)Naphthols and derivatives(7)Phenylnaphthalenes(4)

Phenol ethers

109

Anisoles(28)Aminophenyl ethers(3)

Phenols

104

Benzenediols(23)1-hydroxy-2-unsubstituted benzenoids(18)Methoxyphenols(16)Nitrophenols(12)Cresols(9)

Indanes

Indanones(6)

Phenanthrenes and derivatives

Aristolochic acids and derivatives(1)Phenanthrols(1)Hydrophenanthrenes(1)

Anthracenes

Anthraquinones(10)Anthracenecarboxylic acids and derivatives(3)

Tetralins

Tametralines(1)

Dibenzocycloheptenes

Fluorenes

Phenol esters

Indenes and isoindenes

Triphenyl compounds

Naphthacenes

Tetracenequinones(2)

Pyrenes

Benzopyrenes(1)

Organic Acids

1,628 compounds

Carboxylic Acids and Derivatives

1628

Amino Acids, Peptides, and Analogues(1628)

Organic acids and derivatives

1,623 compounds

Carboxylic acids and derivatives

1351

Amino acids, peptides, and analogues(1224)Carboxylic acid derivatives(43)Tricarboxylic acids and derivatives(23)Dicarboxylic acids and derivatives(19)Tetracarboxylic acids and derivatives(18)

Peptidomimetics

Hybrid peptides(33)Peptoid-peptide hybrids(9)Depsipeptides(7)

Organic phosphonic acids and derivatives

Bisphosphonates(21)Organic phosphonic acids(19)Phosphonic acid diesters(4)Phosphonic acid esters(3)

Organic phosphoric acids and derivatives

Phosphate esters(34)Organic phosphoramides(2)

Hydroxy acids and derivatives

Beta hydroxy acids and derivatives(14)Medium-chain hydroxy acids and derivatives(10)Alpha hydroxy acids and derivatives(8)Short-chain hydroxy acids and derivatives(1)

Keto acids and derivatives

Short-chain keto acids and derivatives(9)Medium-chain keto acids and derivatives(9)Gamma-keto acids and derivatives(8)Alpha-keto acids and derivatives(4)

Organic carbonic acids and derivatives

Organic carbonic acids(12)Ureas(9)

Organic sulfonic acids and derivatives

Organosulfonic acids and derivatives(22)

Organic sulfuric acids and derivatives

Sulfuric acid esters(5)Arylsulfates(4)

Organic thiophosphoric acids and derivatives

Thiophosphoric acid esters(8)

Carboximidic acids and derivatives

Carboximidic acids(5)

Boronic acid derivatives

Boronic acids(1)Boronic acid esters(1)

Orthocarboxylic acid derivatives

Thiosulfinic acid esters

Lipids and lipid-like molecules

795 compounds

Steroids and steroid derivatives

353

Pregnane steroids(75)Estrane steroids(56)Androstane steroids(51)Hydroxysteroids(41)Steroid esters(38)

Fatty Acyls

217

Fatty acids and conjugates(86)Eicosanoids(26)Fatty acid esters(25)Fatty acyl thioesters(22)Fatty alcohols(17)

Prenol lipids

163

Monoterpenoids(44)Diterpenoids(24)Sesquiterpenoids(19)Terpene lactones(16)Retinoids(13)

Glycerophospholipids

Glycerophosphocholines(13)Glycerophosphates(7)Glycerophosphoethanolamines(6)Glycerophosphoglycerols(5)Glycerophosphoserines(2)

Glycerolipids

Triradylcglycerols(7)Glycosylglycerols(2)Diradylglycerols(1)Monoradylglycerols(1)

S-alkyl-CoAs

Sphingolipids

Glycosphingolipids(3)Ceramides(2)

Glycero-3-dithiophosphocholines

Saccharolipids

Organic oxygen compounds

717 compounds

Organooxygen compounds

687

Carbohydrates and carbohydrate conjugates(398)Carbonyl compounds(134)Ethers(84)Alcohols and polyols(69)

Organic oxoanionic compounds

Organic pyrophosphates(19)Organic nitrates(8)

Organic oxides

Phenylpropanoids and polyketides

371 compounds

Stilbenes

Stilbene glycosides(1)

Coumarins and derivatives

Hydroxycoumarins(18)Coumarin glycosides(8)Furanocoumarins(4)Pyranocoumarins(2)

Flavonoids

Flavones(16)Flavonoid glycosides(8)Flavans(8)Hydroxyflavonoids(6)O-methylated flavonoids(5)

Cinnamic acids and derivatives

Hydroxycinnamic acids and derivatives(14)Cinnamic acids(7)Cinnamic acid amides(4)Cinnamic acid esters(4)

Phenylpropanoic acids

Macrolactams

Macrolides and analogues

Epothilones and analogues(3)Milbemycins(2)Zearalenones(1)

Tetracyclines

Linear 1,3-diarylpropanoids

Chalcones and dihydrochalcones(7)Cinnamylphenols(1)

Anthracyclines

Isoflavonoids

Isoflav-2-enes(4)O-methylated isoflavonoids(2)Isoflavans(2)Isoflavonoid O-glycosides(1)Hydroxyisoflavonoids(1)

Macrolide lactams

Depsides and depsidones

Diarylheptanoids

Linear diarylheptanoids(8)

2-arylbenzofuran flavonoids

Neoflavonoids

Neoflavenes(1)Dalbergiones(1)Neoflavones(1)

Tannins

Hydrolyzable tannins(1)

Isocoumarins and derivatives

Isochromanequinones

Benzoisochromanequinones(1)

Aurone flavonoids

Cinnamyl alcohols

Saxitoxins, gonyautoxins, and derivatives

Cinnamaldehydes

Nucleosides, nucleotides, and analogues

353 compounds

Purine nucleotides

Purine ribonucleotides(70)Purine deoxyribonucleotides(12)Purine nucleotide sugars(9)Cyclic purine nucleotides(4)

Pyrimidine nucleotides

Pyrimidine deoxyribonucleotides(22)Pyrimidine ribonucleotides(19)Pyrimidine nucleotide sugars(17)

Purine nucleosides

Purine 2'-deoxyribonucleosides(9)Purine 3'-deoxyribonucleosides(4)Purine 2',3'-dideoxyribonucleosides(2)

Pyrimidine nucleosides

Pyrimidine 2'-deoxyribonucleosides(31)Pyrimidine 2',3'-dideoxyribonucleosides(4)

(5'->5')-dinucleotides

Nucleoside and nucleotide analogues

Cyclopentyl nucleosides(3)3'-thia pyrimidine nucleosides(2)3',5'-cyclic purine nucleoside phosphorothioates(1)2-pyranosylbenzimidazoles(1)2-pyranosylbenzothiazoles(1)

5'-deoxyribonucleosides

5'-deoxy-5'-thionucleosides(5)

Ribonucleoside 3'-phosphates

Imidazole ribonucleosides and ribonucleotides

1-ribosyl-imidazolecarboxamides(4)

Benzimidazole ribonucleosides and ribonucleotides

(3'->5')-dinucleotides and analogues

(3'->5')-dinucleotides(5)

Flavin nucleotides

Triazole ribonucleosides and ribonucleotides

2',5'-dideoxyribonucleosides

Glycinamide ribonucleotides

Pyridine nucleotides

Nicotinic acid nucleotides(1)Nicotinamide nucleotides(1)

Pyrrolopyrimidine nucleosides and nucleotides

Pyrazolo[3,4-d]pyrimidine glycosides

Molybdopterin dinucleotides

Imidazole[4,5-c]pyridine ribonucleosides and ribonucleotides

2',3'-dideoxy-3'-thionucleoside monophosphates

Organic nitrogen compounds

218 compounds

Organonitrogen compounds

218

Amines(140)Quaternary ammonium salts(24)Guanidines(18)Cyclohexylamines(7)N-arylamides(7)

Alkaloids and derivatives

116 compounds

Morphinans

Tropane alkaloids

Phenyltropanes(6)

Camptothecins

Ergoline and derivatives

Lysergic acids and derivatives(11)

Yohimbine alkaloids

Vinca alkaloids

Harmala alkaloids

Cinchona alkaloids

Ajmaline-sarpagine alkaloids

Phthalide isoquinolines

Eburnan-type alkaloids

Protoberberine alkaloids and derivatives

Lupin alkaloids

Cytisine and derivatives(1)Sparteine, lupanine, and related alkaloids(1)

Amaryllidaceae alkaloids

Galanthamine-type amaryllidaceae alkaloids(1)

Aporphines

Cephalotaxus alkaloids

Ibogan-type alkaloids

Epibatidine analogues

Allocolchicine alkaloids

Emetine alkaloids

6,7-benzomorphans

2,6-dimethyl-3-benzazocines(1)

Strychnos alkaloids

Mixed metal/non-metal compounds

92 compounds

Alkali metal oxoanionic compounds

Alkali metal phosphates(6)Alkali metal sulfates(2)Alkali metal hydroxides(2)Alkali metal perchlorates(1)Alkali metal phosphonates(1)

Post-transition metal oxoanionic compounds

Post-transition metal hydroxides(3)Post-transition metal silicates(3)Post-transition metal nitrates(2)Post-transition metal sulfates(2)Post-transition metal phosphates(1)

Transition metal oxoanionic compounds

Transition metal sulfates(5)Transition metal pyrophosphates(2)Transition metal nitrates(2)Transition metal hydroxides(1)

Transition metal salts

Transition metal chlorides(8)Transition metal iodides(1)

Alkaline earth metal oxoanionic compounds

Alkaline earth metal phosphates(3)Alkaline earth metal sulfates(2)Alkaline earth metal silicates(2)Alkaline earth metal hydroxides(1)

Miscellaneous mixed metal/non-metals

Miscellaneous metallic oxoanionic compounds(5)

Post-transition metal salts

Post-transition metal chlorides(4)Post-transition metal fluorides(2)

Transition metal organides

Transition metal oxides(6)

Alkali metal salts

Alkali metal chlorides(2)Alkali metal iodides(2)Alkali metal fluorides(1)

Alkaline earth metal salts

Alkaline earth metal chlorides(5)

Alkaline earth metal organides

Alkaline earth metal oxides(2)Alkaline earth metal sulfides(1)

Metalloid organides

Metalloid oxides(2)

Metalloid oxoanionic compounds

Metalloid hydroxides(1)

Other mixed metal/non-metal oxoanionic compounds

Non-metal selenites(1)

Alkali metal organides

Alkali metal sulfides(1)

Post-transition metal organides

Post-transition metal oxides(1)

Homogeneous non-metal compounds

53 compounds

Non-metal oxoanionic compounds

Non-metal phosphates(6)Non-metal chlorites(2)Non-metal phosphonates(1)Non-metal perchlorates(1)Non-metal hypophosphites(1)

Other non-metal organides

Other non-metal oxides(4)Other non-metal sulfides(3)Other non-metal nitrides(2)

Homogeneous halogens

Homogeneous noble gases

Homogeneous other non-metal compounds

Other non-metal halides

Halogen organides

Halogen hydrides(2)Halogen nitrides(1)

Organosulfur compounds

48 compounds

Thioethers

Aryl thioethers(25)Dialkylthioethers(2)

Sulfoxides

Isothioureas

Thiols

Alkylthiols(4)

Organic disulfides

Dialkyldisulfides(2)

Sulfonyls

Sulfones(2)

Thiocarbonyl compounds

Organic thiocarbonic acid derivatives(1)

Thioureas

Organohalogen compounds

42 compounds

Organofluorides

Halohydrins

Bromohydrins(4)Chlorohydrins(3)Fluorohydrins(2)Iodohydrins(1)

Alkyl halides

Halomethanes(3)Cyclohexyl halides(2)

Organochlorides

Aryl halides

Aryl iodides(1)Aryl fluorides(1)Aryl chlorides(1)

Acyl halides

Acyl chlorides(3)

Sulfonyl halides

Sulfonyl fluorides(2)

Vinyl halides

Vinyl bromides(1)Vinyl chlorides(1)

Homogeneous metal compounds

40 compounds

Homogeneous transition metal compounds

Homogeneous post-transition metal compounds

Homogeneous lanthanide compounds

Homogeneous alkaline earth metal compounds

Homogeneous metalloid compounds

Homogeneous alkali metal compounds

Homogeneous actinide compounds

Organic Polymers

20 compounds

Polypeptides

Lignans, neolignans and related compounds

13 compounds

Dibenzylbutane lignans

Dibenzylbutanediol lignans(1)

Lignan lactones

Podophyllotoxins(4)

Furanoid lignans

Tetrahydrofuran lignans(1)

Aryltetralin lignans

9,9p-dihydroxyaryltetralin lignans(1)

Flavonolignans

Organophosphorus compounds

6 compounds

Organic phosphines and derivatives

Organophosphine oxides(1)

Organophosphinic acids and derivatives

Phosphinic acid esters(2)

Organothiophosphorus compounds

Organometallic compounds

6 compounds

Organometalloid compounds

Organosilicon compounds(3)Organoselenium compounds(1)Organoarsenic compounds(1)

Organo-post-transition metal compounds

Organotin compounds(1)

Organic 1,3-dipolar compounds

5 compounds

Allyl-type 1,3-dipolar organic compounds

Organic nitro compounds(4)

Propargyl-type 1,3-dipolar organic compounds

Organic salts

3 compounds

Organic metal salts

Organic transition metal salts(3)

Hydrocarbons