Molecular formula
C20H21N3O3S
343 compounds have this formula on CompoundList.
- Molar mass
- 383.47g/mol
- Monoisotopic mass
- 383.1304Da
- Atoms
- 48
- Elements
- 5
- Rings plus double bonds
- 12
The formula C20H21N3O3S describes a molecule made of 20 carbon atoms, 21 hydrogen atoms, 3 nitrogen atoms, 3 oxygen atoms and 1 sulfur atom. It is written in Hill notation: carbon first, then hydrogen, then the other elements in alphabetical order. The formula tells you which atoms are present, not how they are connected, which is why several different chemicals can share it.
Elemental composition
- C Carbon × 2062.64%12.011 × 20 = 240.220 g/mol
- H Hydrogen × 215.52%1.008 × 21 = 21.168 g/mol
- N Nitrogen × 310.96%14.007 × 3 = 42.021 g/mol
- O Oxygen × 312.52%15.999 × 3 = 47.997 g/mol
- S Sulfur × 18.36%32.06 × 1 = 32.060 g/mol
Look up another formula
Compounds with the formula C20H21N3O3S
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 201 to 300 of 343 compounds
![[6,7-Dimethoxy-3,4-dihydro-2(1H)-isoquinolinyl][1-methyl-3-(2-thienyl)-1H-pyrazol-5-yl]methanone chemical structure, C20H21N3O3S, CAS 1401585-88-3](/s/FURYKKAVGANGFQ-UHFFFAOYSA-N.svg)
[6,7-Dimethoxy-3,4-dihydro-2(1H)-isoquinolinyl][1-methyl-3-(2-thienyl)-1H-pyrazol-5-yl]methanone
CAS 1401585-88-3C20H21N3O3S
![5-{[(4,6-Dimethylpyrimidin-2-yl)sulfanyl]methyl}-N-(2-methoxybenzyl)furan-2-carboxamide chemical structure, C20H21N3O3S, CAS 1401592-13-9](/s/SUDPTTLOYAVYJM-UHFFFAOYSA-N.svg)
5-{[(4,6-Dimethylpyrimidin-2-yl)sulfanyl]methyl}-N-(2-methoxybenzyl)furan-2-carboxamide
CAS 1401592-13-9C20H21N3O3S
![N-(Benzo[d][1,3]dioxol-5-ylmethyl)-2-((4,7-dimethylbenzo[d]thiazol-2-yl)(methyl)amino)acetamide chemical structure, C20H21N3O3S, CAS 1396686-38-6](/s/YIRWCRBSINDFRI-UHFFFAOYSA-N.svg)
N-(Benzo[d][1,3]dioxol-5-ylmethyl)-2-((4,7-dimethylbenzo[d]thiazol-2-yl)(methyl)amino)acetamide
CAS 1396686-38-6C20H21N3O3S
2-Phenoxy-1-(4-(5-(thiophen-3-yl)-1,3,4-oxadiazol-2-yl)piperidin-1-yl)propan-1-one
CAS 1448043-89-7C20H21N3O3S
![Methyl 4-({4-[5-(thiophen-3-yl)-1,3,4-oxadiazol-2-yl]piperidin-1-YL}methyl)benzoate chemical structure, C20H21N3O3S, CAS 1448043-38-6](/s/MBGRBGBSRHTEAT-UHFFFAOYSA-N.svg)
Methyl 4-({4-[5-(thiophen-3-yl)-1,3,4-oxadiazol-2-yl]piperidin-1-YL}methyl)benzoate
CAS 1448043-38-6C20H21N3O3S
Benzyl 2-(4-(5-(thiophen-3-yl)-1,3,4-oxadiazol-2-yl)piperidin-1-yl)acetate
CAS 1448077-12-0C20H21N3O3S
Benzyl 2-(4-(5-(furan-2-yl)-1,3,4-thiadiazol-2-yl)piperidin-1-yl)acetate
CAS 1351612-43-5C20H21N3O3S
![N-(2-(4,5-Dimethyl-6-oxopyrimidin-1(6H)-yl)ethyl)-[1,1'-biphenyl]-4-sulfonamide chemical structure, C20H21N3O3S, CAS 1396844-90-8](/s/WAIPOAANYGPMEW-UHFFFAOYSA-N.svg)
N-(2-(4,5-Dimethyl-6-oxopyrimidin-1(6H)-yl)ethyl)-[1,1'-biphenyl]-4-sulfonamide
CAS 1396844-90-8C20H21N3O3S
![N-(3-(6,7-Dihydro-5H-pyrrolo[1,2-a]imidazol-3-yl)phenyl)-4-methoxy-3-methylbenzenesulfonamide chemical structure, C20H21N3O3S, CAS 1396765-85-7](/s/RSOURZUNFWVZBG-UHFFFAOYSA-N.svg)
N-(3-(6,7-Dihydro-5H-pyrrolo[1,2-a]imidazol-3-yl)phenyl)-4-methoxy-3-methylbenzenesulfonamide
CAS 1396765-85-7C20H21N3O3S
3-(4-(((1-Methyl-1H-imidazol-2-yl)thio)methyl)piperidine-1-carbonyl)-2H-chromen-2-one
CAS 1428356-94-8C20H21N3O3S
(E)-3-(3,4-Dimethoxyphenyl)-N-(2-(4-(thiophen-2-yl)-1H-imidazol-2-yl)ethyl)acrylamide
CAS 1798419-90-5C20H21N3O3S
![N-(3-(3-Methyl-1,2,4-oxadiazol-5-yl)-5,7-dihydro-4H-thieno[2,3-c]pyran-2-yl)-2-phenylbutanamide chemical structure, C20H21N3O3S, CAS 2034244-95-4](/s/IIMRAFAXHZEGOW-UHFFFAOYSA-N.svg)
N-(3-(3-Methyl-1,2,4-oxadiazol-5-yl)-5,7-dihydro-4H-thieno[2,3-c]pyran-2-yl)-2-phenylbutanamide
CAS 2034244-95-4C20H21N3O3S
![N-{4-[(5-Cyanopyridin-2-yl)oxy]cyclohexyl}-2-phenylethene-1-sulfonamide chemical structure, C20H21N3O3S, CAS 1799264-00-8](/s/UAJTUNDIDFPFCP-OUKQBFOZSA-N.svg)
N-{4-[(5-Cyanopyridin-2-yl)oxy]cyclohexyl}-2-phenylethene-1-sulfonamide
CAS 1799264-00-8C20H21N3O3S
![1-[1-(2,3-Dihydro-1-benzofuran-5-sulfonyl)pyrrolidin-3-yl]-2-methyl-1H-1,3-benzodiazole chemical structure, C20H21N3O3S, CAS 2097925-69-2](/s/NWBJCOIVZJZSNF-UHFFFAOYSA-N.svg)
1-[1-(2,3-Dihydro-1-benzofuran-5-sulfonyl)pyrrolidin-3-yl]-2-methyl-1H-1,3-benzodiazole
CAS 2097925-69-2C20H21N3O3S
![2-(1,4-Dioxa-8-azaspiro[4.5]decan-8-yl)-7-(m-tolyl)thieno[3,2-d]pyrimidin-4(3H)-one chemical structure, C20H21N3O3S, CAS 1251560-04-9](/s/JNPZGJRBYHVGNA-UHFFFAOYSA-N.svg)
2-(1,4-Dioxa-8-azaspiro[4.5]decan-8-yl)-7-(m-tolyl)thieno[3,2-d]pyrimidin-4(3H)-one
CAS 1251560-04-9C20H21N3O3S
Carbamic acid, (((cyanomethyl)phenylamino)thio)methyl-, 2,3-dihydro-2,2-dimethyl-7-benzofuranyl ester
CAS 82560-69-8C20H21N3O3S
2-((1-(4-Ethoxyphenyl)-1H-imidazol-2-yl)thio)-N-(3-methoxyphenyl)acetamide
CAS 688336-61-0C20H21N3O3S
2-((1-(4-Ethoxyphenyl)-1H-imidazol-2-yl)thio)-N-(2-methoxyphenyl)acetamide
CAS 688336-62-1C20H21N3O3S
![N-[4-[2-(1,3-Dioxoisoindol-2-yl)ethyl]-1,3-thiazol-2-yl]cyclohexanecarboxamide chemical structure, C20H21N3O3S, CAS 866041-03-4](/s/XXRMKZAMXALTTQ-UHFFFAOYSA-N.svg)
N-[4-[2-(1,3-Dioxoisoindol-2-yl)ethyl]-1,3-thiazol-2-yl]cyclohexanecarboxamide
CAS 866041-03-4C20H21N3O3S
![N-[6-Acetamido-3-(2-methoxyethyl)-1,3-benzothiazol-2-ylidene]-4-methylbenzamide chemical structure, C20H21N3O3S, CAS 1006264-83-0](/s/IIIWQLMWBNYNKQ-UHFFFAOYSA-N.svg)
N-[6-Acetamido-3-(2-methoxyethyl)-1,3-benzothiazol-2-ylidene]-4-methylbenzamide
CAS 1006264-83-0C20H21N3O3S
2-((1-(4-Ethoxyphenyl)-1H-imidazol-2-yl)thio)-N-(4-methoxyphenyl)acetamide
CAS 688336-28-9C20H21N3O3S
![3-(4-Methylphenyl)-5-[1-(4-methylphenyl)sulfonylpyrrolidin-2-yl]-1,2,4-oxadiazole chemical structure, C20H21N3O3S, CAS 854438-79-2](/s/CTEYYULLODMIQX-UHFFFAOYSA-N.svg)
3-(4-Methylphenyl)-5-[1-(4-methylphenyl)sulfonylpyrrolidin-2-yl]-1,2,4-oxadiazole
CAS 854438-79-2C20H21N3O3S
(2-((2,5-Dimethylbenzyl)thio)-4,5-dihydro-1H-imidazol-1-yl)(2-methyl-3-nitrophenyl)methanone
CAS 851804-53-0C20H21N3O3S
![[2-[(2,5-Dimethylphenyl)methylsulfanyl]-4,5-dihydroimidazol-1-yl]-(4-methyl-3-nitrophenyl)methanone chemical structure, C20H21N3O3S, CAS 851804-54-1](/s/JQVNFMCNOWWZAW-UHFFFAOYSA-N.svg)
[2-[(2,5-Dimethylphenyl)methylsulfanyl]-4,5-dihydroimidazol-1-yl]-(4-methyl-3-nitrophenyl)methanone
CAS 851804-54-1C20H21N3O3S
- N-(2,5-Dimethoxyphenyl)-2-((1-(m-tolyl)-1H-imidazol-2-yl)thio)acetamide851131-31-2C20H21N3O3S
- 3-Butoxy-N-[5-(3-methylsulfanylphenyl)-1,3,4-oxadiazol-2-yl]benzamide898449-67-7C20H21N3O3S
- 2-(Ethylsulfanyl)-N-{[3-(4-methoxyphenyl)-1,2,4-oxadiazol-5-yl]methyl}-N-methylbenzamide896660-96-1C20H21N3O3S
- 2-(4-Methylpiperazin-1-yl)benzo[d]thiazol-6-yl 2-phenoxyacetate941959-01-9C20H21N3O3S
- 1-[(2-Cyanophenyl)sulfonyl]-N-(3-methylphenyl)-4-piperidinecarboxamide941133-95-5C20H21N3O3S
- Benzamide, N-cyclopropyl-3-[1-(ethylsulfonyl)-1H-indazol-5-yl]-4-methyl-651781-11-2C20H21N3O3S
- [2-Amino-1-(cyclohexanesulfonyl)-1H-benzimidazol-6-yl](phenyl)methanone63197-96-6C20H21N3O3S
- N-(4-(2-((4-Butylphenyl)amino)-2-oxoethyl)thiazol-2-yl)furan-2-carboxamide923227-39-8C20H21N3O3S
- N-(3,4-Dimethoxyphenyl)-2-((1-methyl-5-phenyl-1H-imidazol-2-yl)thio)acetamide921816-47-9C20H21N3O3S
- N-(2,5-Dimethoxyphenyl)-2-((1-methyl-5-phenyl-1H-imidazol-2-yl)thio)acetamide932352-43-7C20H21N3O3S
- N-(3,5-Dimethoxyphenyl)-2-((1-methyl-5-phenyl-1H-imidazol-2-yl)thio)acetamide932321-09-0C20H21N3O3S
- 3,4-Dimethyl-N-(2-(6-oxo-3-phenylpyridazin-1(6H)-yl)ethyl)benzenesulfonamide921853-46-5C20H21N3O3S
- 2,4-Dimethyl-N-(2-(6-oxo-3-phenylpyridazin-1(6H)-yl)ethyl)benzenesulfonamide921806-14-6C20H21N3O3S
- N-(2-((5-(4-Methoxyphenyl)-1H-imidazol-2-yl)thio)ethyl)-2-phenoxyacetamide897455-48-0C20H21N3O3S
- 3,4-Dimethoxy-N-(2-((5-phenyl-1H-imidazol-2-yl)thio)ethyl)benzamide897455-88-8C20H21N3O3S
- 1-(3,4-Dihydroquinolin-1(2H)-yl)-2-(2-(ethylsulfonyl)-1H-benzo[d]imidazol-1-yl)ethanone886923-99-5C20H21N3O3S
- 1-(Indolin-1-yl)-2-(2-(propylsulfonyl)-1H-benzo[d]imidazol-1-yl)ethanone886904-64-9C20H21N3O3S
- 2-(2-(Benzylsulfonyl)-1H-benzo[d]imidazol-1-yl)-1-(pyrrolidin-1-yl)ethanone886905-83-5C20H21N3O3S
- N-(3,4-Dimethoxyphenyl)-1-(thiophen-2-yl)-3,4-dihydropyrrolo[1,2-a]pyrazine-2(1H)-carboxamide899735-65-0C20H21N3O3S
- 2,5-Dimethyl-N-[2-(6-oxo-3-phenyl-1,6-dihydropyridazin-1-yl)ethyl]benzene-1-sulfonamide921550-46-1C20H21N3O3S
- N-(3-Methoxyphenyl)-2-({1-[(2-methoxyphenyl)methyl]-1H-imidazol-2-yl}sulfanyl)acetamide946320-54-3C20H21N3O3S
- N-(4-Methoxyphenyl)-2-({1-[(2-methoxyphenyl)methyl]-1H-imidazol-2-yl}sulfanyl)acetamide946264-89-7C20H21N3O3S
- 4-Methyl-N-(2-((6-(p-tolyl)pyridazin-3-yl)oxy)ethyl)benzenesulfonamide946366-23-0C20H21N3O3S
- 3,4-Dimethyl-N-{2-[(6-phenylpyridazin-3-yl)oxy]ethyl}benzene-1-sulfonamide920399-27-5C20H21N3O3S
- 1-(Benzenesulfonyl)-4-[3-(3-methylphenyl)-1,2,4-oxadiazol-5-yl]piperidine1021209-67-5C20H21N3O3S
- 4-({2-[4-(Thiophen-2-ylcarbonyl)piperazin-1-yl]ethyl}amino)-2H-chromen-2-one1120256-07-6C20H21N3O3S
- N-(3-Cyano-5,5,7,7-tetramethyl-4,5,6,7-tetrahydrothieno[2,3-c]pyridin-2-yl)benzo[d][1,3]dioxole-5-carboxamide922085-57-2C20H21N3O3S
- 4-Ethyl-N-(2-(6-oxo-3-phenylpyridazin-1(6H)-yl)ethyl)benzenesulfonamide921806-23-7C20H21N3O3S
- 3,5-Dimethyl-N-(2-(6-oxo-3-phenylpyridazin-1(6H)-yl)ethyl)benzenesulfonamide921550-38-1C20H21N3O3S
- N-[1-(1H-Indol-2-ylcarbonyl)piperidin-4-yl]benzenesulfonamide1282120-17-5C20H21N3O3S
- 3-Phenethyl-8-(thiophene-2-carbonyl)-1,3,8-triazaspiro[4.5]decane-2,4-dione1021101-49-4C20H21N3O3S
- N-[4-(1,1-Dioxido-1,2-thiazinan-2-yl)phenyl]-1-methyl-1H-indole-2-carboxamide1282098-78-5C20H21N3O3S
- 2-(4-(Isopropylthio)phenyl)-N-(5-(phenoxymethyl)-1,3,4-oxadiazol-2-yl)acetamide1286717-40-5C20H21N3O3S
- 4-Amino-N-(4-ethoxybenzyl)-3-(4-methoxyphenyl)isothiazole-5-carboxamide1286699-83-9C20H21N3O3S
- 8-(Phenylsulfonyl)-3-(m-tolyl)-1,4,8-triazaspiro[4.5]dec-3-en-2-one1216498-58-6C20H21N3O3S
- N-[4-(1,1-Dioxido-1,2-thiazinan-2-yl)phenyl]-1-methyl-1H-indole-5-carboxamide1324088-20-1C20H21N3O3S
- N-[4-(1,1-Dioxido-1,2-thiazinan-2-yl)phenyl]-2-(1H-indol-1-yl)acetamide1324089-18-0C20H21N3O3S
- N-[3-(1,1-Dioxido-1,2-thiazinan-2-yl)phenyl]-1-methyl-1H-indole-6-carboxamide1324069-89-7C20H21N3O3S
- N-[3-(1,1-Dioxido-1,2-thiazinan-2-yl)phenyl]-1-methyl-1H-indole-2-carboxamide1324055-69-7C20H21N3O3S
- N-[4-(1,1-Dioxido-1,2-thiazinan-2-yl)phenyl]-1-methyl-1H-indole-6-carboxamide1324091-69-1C20H21N3O3S
- N-[3-(1,1-Dioxido-1,2-thiazinan-2-yl)phenyl]-1-methyl-1H-indole-5-carboxamide1324069-63-7C20H21N3O3S
- N-[3-(1,1-Dioxido-1,2-thiazinan-2-yl)phenyl]-1-methyl-1H-indole-4-carboxamide1324056-83-8C20H21N3O3S
- N-[4-(1,1-Dioxido-1,2-thiazinan-2-yl)phenyl]-1-methyl-1H-indole-4-carboxamide1324090-49-4C20H21N3O3S
- 3-[(1-Methylethyl)oxy]-N-(3-methyl-1,2,4-thiadiazol-5-yl)-5-[(phenylmethyl)oxy]benzamide863454-87-9C20H21N3O3S
- 4-[1-(3-Amino-4-methylsulfonyl-benzoyl)-4-piperidyl]benzonitrile1034470-21-7C20H21N3O3S
- 2-[3-((4-(2-Methoxyphenyl)pyridin-2-yl)amino)phenyl]-ethanesulfonamide1395493-50-1C20H21N3O3S
- N-(1H-Indol-4-yl)-1-(phenylsulfonyl)piperidine-3-carboxamide1435982-86-7C20H21N3O3S
- N-((3-Methyl-4-oxo-3,4-dihydrophthalazin-1-yl)methyl)-5,6,7,8-tetrahydronaphthalene-2-sulfonamide1421583-75-6C20H21N3O3S
- (2-Ethoxyphenyl)(4-(5-(thiophen-3-yl)-1,3,4-oxadiazol-2-yl)piperidin-1-yl)methanone1448125-53-8C20H21N3O3S
- 1-(4-(5-(Thiophen-3-yl)-1,3,4-oxadiazol-2-yl)piperidin-1-yl)-2-(o-tolyloxy)ethanone1448065-81-3C20H21N3O3S
- 1-(2,4-Dimethoxyphenyl)-3-((4-methyl-2-phenylthiazol-5-yl)methyl)urea1396856-97-5C20H21N3O3S
- 2-(Benzo[d]oxazol-2-ylthio)-1-(4-((6-methylpyridin-2-yl)oxy)piperidin-1-yl)ethanone1797266-99-9C20H21N3O3S
- (E)-3-(3,4-Dimethoxyphenyl)-N-(2-(3-(thiophen-2-yl)-1H-pyrazol-1-yl)ethyl)acrylamide1798406-66-2C20H21N3O3S
- 2-(Furan-2-yl)-4-methyl-N-[2-(2-methylphenoxy)ethyl]-6-(methylsulfanyl)pyrimidine-5-carboxamide1375957-87-1C20H21N3O3S
- N-(3-(6,7-Dihydro-5H-pyrrolo[1,2-a]imidazol-3-yl)phenyl)-2-ethoxybenzenesulfonamide1704571-09-4C20H21N3O3S
- 3-(3-(7-(Furan-2-yl)-1,4-thiazepan-4-yl)-3-oxopropyl)quinazolin-4(3H)-one1706300-34-6C20H21N3O3S
- 1-(3,4-Dimethoxybenzyl)-3-((2-(thiophen-3-yl)pyridin-4-yl)methyl)urea2034397-53-8C20H21N3O3S
- 1-(3,4-Dimethoxybenzyl)-3-((2-(thiophen-2-yl)pyridin-3-yl)methyl)urea2034577-46-1C20H21N3O3S
- N-(1-(2,3-Dihydrobenzofuran-5-yl)propan-2-yl)-4-(1H-pyrazol-1-yl)benzenesulfonamide2034541-76-7C20H21N3O3S
- N1-(2-hydroxy-2-(1-methyl-1H-indol-5-yl)ethyl)-N2-(3-(methylthio)phenyl)oxalamide2034441-55-7C20H21N3O3S
- N-(2-(4-Oxothieno[3,2-d]pyrimidin-3(4H)-yl)ethyl)-4-phenyltetrahydro-2H-pyran-4-carboxamide1903386-97-9C20H21N3O3S
- N-(2-Methylbenzo[d]thiazol-5-yl)-2-((tetrahydro-2H-pyran-4-yl)methoxy)isonicotinamide2034443-57-5C20H21N3O3S
- 2-(1H-Benzo[d]imidazol-1-yl)-1-(1,1-dioxido-7-phenyl-1,4-thiazepan-4-yl)ethanone2034308-78-4C20H21N3O3S
- 2-((2-Methoxyphenyl)sulfonyl)-4-(1-methyl-1H-pyrazol-4-yl)-1,2,3,4-tetrahydroisoquinoline2034387-47-6C20H21N3O3S
- N-(4-Methylbenzo[d]thiazol-2-yl)-2-((tetrahydro-2H-pyran-4-yl)methoxy)isonicotinamide2034243-08-6C20H21N3O3S
- 3-(1-((2-Ethylphenyl)sulfonyl)pyrrolidin-3-yl)-5-phenyl-1,2,4-oxadiazole2034353-68-7C20H21N3O3S
- 2-Methyl-4-((1-(naphthalen-1-ylsulfonyl)piperidin-4-yl)oxy)pyrimidine2097930-85-1C20H21N3O3S
- Methyl 4-{[2-(3,5-dimethyl-1H-pyrazol-1-yl)-2-(thiophen-3-yl)ethyl]carbamoyl}benzoate2034492-12-9C20H21N3O3S
- Methyl 4-({2-[3,5-dimethyl-4-(thiophen-3-yl)-1H-pyrazol-1-yl]ethyl}carbamoyl)benzoate2034357-98-5C20H21N3O3S
- Methyl 4-((2-(3,5-dimethyl-1H-pyrazol-1-yl)-2-(thiophen-2-yl)ethyl)carbamoyl)benzoate2034496-93-8C20H21N3O3S
- Methyl 4-({2-[3,5-dimethyl-4-(thiophen-2-yl)-1H-pyrazol-1-yl]ethyl}carbamoyl)benzoate2034356-36-8C20H21N3O3S
- 3-(3-Oxo-3-(4-(thiophen-3-yloxy)piperidin-1-yl)propyl)quinazolin-4(3H)-one2034364-47-9C20H21N3O3S
- Methyl 2-(allylthio)-7-methyl-4-oxo-5-(o-tolyl)-3,4,5,8-tetrahydropyrido[2,3-d]pyrimidine-6-carboxylate923163-53-5C20H21N3O3S
- 2-(1,4-Dioxa-8-azaspiro[4.5]decan-8-yl)-7-(o-tolyl)thieno[3,2-d]pyrimidin-4(3H)-one1251614-67-1C20H21N3O3S
- Ethyl 1-(2-(1H-indol-2-yl)thiazole-4-carbonyl)piperidine-3-carboxylate1170395-95-5C20H21N3O3S
- 2-[[5-(4-Methoxyphenyl)-1,3,4-oxadiazol-2-yl]sulfanyl]-N-(2-propan-2-ylphenyl)acetamide591763-44-9C20H21N3O3S
Frequently asked questions
What is the molar mass of C20H21N3O3S?
The molar mass of C20H21N3O3S is 383.47 g/mol, calculated from standard atomic weights for 20 carbon atoms, 21 hydrogen atoms, 3 nitrogen atoms, 3 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 383.1304 Da.
How many compounds have the formula C20H21N3O3S?
CompoundList lists 343 compounds with the molecular formula C20H21N3O3S, including [6,7-Dimethoxy-3,4-dihydro-2(1H)-isoquinolinyl][1-methyl-3-(2-thienyl)-1H-pyrazol-5-yl]methanone, 5-{[(4,6-Dimethylpyrimidin-2-yl)sulfanyl]methyl}-N-(2-methoxybenzyl)furan-2-carboxamide, N-(Benzo[d][1,3]dioxol-5-ylmethyl)-2-((4,7-dimethylbenzo[d]thiazol-2-yl)(methyl)amino)acetamide. Compounds that share a formula are isomers. They contain the same atoms arranged differently, so their properties, uses and prices can be very different.
What is the degree of unsaturation of C20H21N3O3S?
C20H21N3O3S has a degree of unsaturation of 12. That is the total number of rings and pi bonds (a double bond counts as one, a triple bond as two) in any structure with this formula.