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 1 to 100 of 343 compounds
![2-[2,4-Dioxo-3-(2-phenylethyl)-5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d]pyrimidin-1-yl]acetamide chemical structure, C20H21N3O3S, CAS 824955-16-0](/s/IQWRCUUKALKJOD-UHFFFAOYSA-N.svg)
2-[2,4-Dioxo-3-(2-phenylethyl)-5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d]pyrimidin-1-yl]acetamide
CAS 824955-16-0C20H21N3O3S
2-(3-Methyl-4-oxoquinazolin-2-yl)sulfanyl-N-(2-propan-2-yloxyphenyl)acetamide
CAS 309279-28-5C20H21N3O3S
N-Benzyl-N-(4-methoxy-6-methylpyrimidin-2-yl)-4-methylbenzenesulfonamide
CAS 312597-90-3C20H21N3O3S
![8-{[4-(4-Methoxyphenyl)piperazin-1-yl]sulfonyl}quinoline chemical structure, C20H21N3O3S, CAS 500267-55-0](/s/GGMVCJBLDURXMQ-UHFFFAOYSA-N.svg)
8-{[4-(4-Methoxyphenyl)piperazin-1-yl]sulfonyl}quinoline
CAS 500267-55-0C20H21N3O3S
4-(4-Hydroxy-3-methoxyphenyl)-6-methyl-2-thioxo-N-(p-tolyl)-1,2,3,4-tetrahydropyrimidine-5-carboxamide
CAS 328548-14-7C20H21N3O3S
6-Carbamoylmethylsulfanyl-5-cyano-2-methyl-4-p-tolyl-1,4-dihydro-pyridine-3-carboxylic acid allyl ester
CAS 442556-34-5C20H21N3O3S
![1-(4-Methoxyphenyl)-3-[(4-methyl-5,6,7,8-tetrahydroquinazolin-2-yl)sulfanyl]pyrrolidine-2,5-dione chemical structure, C20H21N3O3S, CAS 585553-06-6](/s/DXZQWXFTNZNMQC-UHFFFAOYSA-N.svg)
1-(4-Methoxyphenyl)-3-[(4-methyl-5,6,7,8-tetrahydroquinazolin-2-yl)sulfanyl]pyrrolidine-2,5-dione
CAS 585553-06-6C20H21N3O3S
![3-(Diphenylmethyl)-7,7-bis(hydroxymethyl)-3,4-dihydro-2H-[1,3]thiazolo[3,2-a][1,3,5]triazin-6(7H)-one chemical structure, C20H21N3O3S, CAS 372503-35-0](/s/UHRLBTXASDLBRY-UHFFFAOYSA-N.svg)
3-(Diphenylmethyl)-7,7-bis(hydroxymethyl)-3,4-dihydro-2H-[1,3]thiazolo[3,2-a][1,3,5]triazin-6(7H)-one
CAS 372503-35-0C20H21N3O3S
4-(Benzenesulfonyl)-5-(4-methylpiperazin-1-yl)-2-phenyl-1,3-oxazole
CAS 380575-58-6C20H21N3O3S
3-(2-Methoxyethyl)-4-oxo-N-phenethyl-2-thioxo-1,2,3,4-tetrahydroquinazoline-7-carboxamide
CAS 422273-57-2C20H21N3O3S
![2-[(4-Methoxybenzyl)amino]-N-(2-methylphenyl)-4-oxo-5,6-dihydro-4H-1,3-thiazine-6-carboxamide chemical structure, C20H21N3O3S, CAS 573941-62-5](/s/LLONZDGAOOQABK-UHFFFAOYSA-N.svg)
2-[(4-Methoxybenzyl)amino]-N-(2-methylphenyl)-4-oxo-5,6-dihydro-4H-1,3-thiazine-6-carboxamide
CAS 573941-62-5C20H21N3O3S
![3,4-Dimethoxybenzaldehyde [4-(4-ethoxyphenyl)-1,3-thiazol-2-yl]hydrazone chemical structure, C20H21N3O3S, CAS 325995-47-9](/s/NIHLCNUDXCHTOH-CIAFOILYSA-N.svg)
3,4-Dimethoxybenzaldehyde [4-(4-ethoxyphenyl)-1,3-thiazol-2-yl]hydrazone
CAS 325995-47-9C20H21N3O3S
N-(2-Benzylsulfanylethyl)-3-(2,4-dioxo-1H-quinazolin-3-yl)propanamide
CAS 896359-31-2C20H21N3O3S
![N-[2-[3-(2-Amino-2-oxoethyl)sulfanylindol-1-yl]ethyl]-4-methoxybenzamide chemical structure, C20H21N3O3S, CAS 851412-91-4](/s/DMUNVSMIAHRTDG-UHFFFAOYSA-N.svg)
N-[2-[3-(2-Amino-2-oxoethyl)sulfanylindol-1-yl]ethyl]-4-methoxybenzamide
CAS 851412-91-4C20H21N3O3S
3-(3-Methoxybenzyl)-6-morpholin-4-yl-2-thioxo-2,3-dihydroquinazolin-4(1H)-one
CAS 689766-81-2C20H21N3O3S
2-Methyl-4-(4-methyl-3-pyrrolidin-1-ylsulfonylphenyl)phthalazin-1-one
CAS 573698-17-6C20H21N3O3S
3-(1,3-Dioxooctahydro-2H-isoindol-2-yl)-N-(4-phenyl-1,3-thiazol-2-yl)propanamide
CAS 374549-23-2C20H21N3O3S
![1-(4-((4-(1H-Benzo[d]imidazol-2-yl)piperidin-1-yl)sulfonyl)phenyl)ethanone chemical structure, C20H21N3O3S, CAS 898369-14-7](/s/HBANLQXMKBWTAT-UHFFFAOYSA-N.svg)
1-(4-((4-(1H-Benzo[d]imidazol-2-yl)piperidin-1-yl)sulfonyl)phenyl)ethanone
CAS 898369-14-7C20H21N3O3S
![N-[4-(Morpholin-4-yl)phenyl]-2-(3-oxo-3,4-dihydro-2H-1,4-benzothiazin-2-yl)acetamide chemical structure, C20H21N3O3S, CAS 305377-33-7](/s/KCUGCBSATGXGKB-UHFFFAOYSA-N.svg)
N-[4-(Morpholin-4-yl)phenyl]-2-(3-oxo-3,4-dihydro-2H-1,4-benzothiazin-2-yl)acetamide
CAS 305377-33-7C20H21N3O3S
![N-Benzyl-2-[3-(3-hydroxypropyl)-4-oxoquinazolin-2-yl]sulfanylacetamide chemical structure, C20H21N3O3S, CAS 867274-41-7](/s/YPZIUMHQRYIPJJ-UHFFFAOYSA-N.svg)
N-Benzyl-2-[3-(3-hydroxypropyl)-4-oxoquinazolin-2-yl]sulfanylacetamide
CAS 867274-41-7C20H21N3O3S
2-(1-Benzylimidazol-2-yl)sulfanyl-N-(2,4-dimethoxyphenyl)acetamide
CAS 893362-08-8C20H21N3O3S
4-(3-Ethoxy-4-hydroxyphenyl)-6-methyl-N-phenyl-2-sulfanylidene-3,4-dihydro-1H-pyrimidine-5-carboxamide
CAS 333768-42-6C20H21N3O3S
N-(N-(4-Methoxyphenethyl)carbamimidoyl)naphthalene-2-sulfonamide
CAS 869075-40-1C20H21N3O3S
![N'-{[(3-Ethyl-7,8-dimethylquinolin-2-yl)sulfanyl]acetyl}furan-2-carbohydrazide chemical structure, C20H21N3O3S, CAS 1105188-49-5](/s/BWPPPZFTMMUGEQ-UHFFFAOYSA-N.svg)
N'-{[(3-Ethyl-7,8-dimethylquinolin-2-yl)sulfanyl]acetyl}furan-2-carbohydrazide
CAS 1105188-49-5C20H21N3O3S
- N-Benzyl-2-[1-(2,4-dimethoxyphenyl)imidazol-2-yl]sulfanylacetamide869345-53-9C20H21N3O3S
- 2-{[5-(4-Methoxybenzyl)-1,3,4-oxadiazol-2-yl]sulfanyl}-N-(1-phenylethyl)acetamide737773-11-4C20H21N3O3S
- N-[(2-Methoxyphenyl)methyl]-4-oxo-3-propyl-2-sulfanylidene-1H-quinazoline-7-carboxamide403727-92-4C20H21N3O3S
- 1-(2-((2,5-Dimethylbenzyl)thio)-4,5-dihydro-1H-imidazol-1-yl)-2-(4-nitrophenyl)ethanone851804-63-2C20H21N3O3S
- N-[4-(Diethylcarbamoyl)phenyl]-3-oxo-4H-1,4-benzothiazine-6-carboxamide851184-20-8C20H21N3O3S
- N-(2-Methoxyphenyl)-2-[1-[(4-methoxyphenyl)methyl]imidazol-2-yl]sulfanylacetamide893373-57-4C20H21N3O3S
- 2-[(4-Ethylphenyl)amino]-N-(4-methoxyphenyl)-4-oxo-5,6-dihydro-4H-1,3-thiazine-6-carboxamide433948-10-8C20H21N3O3S
- 2-(3,4-Dimethylanilino)-N-(4-methoxyphenyl)-4-oxo-5,6-dihydro-4H-1,3-thiazine-6-carboxamide375351-15-8C20H21N3O3S
- 4-(2-((Ethylamino)carbothioyl)carbohydrazonoyl)-2-methoxyphenyl 3-phenylacrylate477735-08-3C20H21N3O3S
- 8-{[4-(2-Methoxyphenyl)piperazin-1-yl]sulfonyl}quinoline433246-10-7C20H21N3O3S
- 3-Benzyl-5-(1-((2,5-dimethylphenyl)sulfonyl)azetidin-3-yl)-1,2,4-oxadiazole1351590-45-8C20H21N3O3S
- N-[5-[(4-Methoxyphenyl)methyl]-1,3,4-thiadiazol-2-yl]-4-phenoxybutanamide521295-20-5C20H21N3O3S
- Ethyl 4-(10H-phenothiazin-10-ylcarbonyl)-1-piperazinecarboxylate432497-13-7C20H21N3O3S
- N-(2-Cyanophenyl)-4-[cyclopentyl(methyl)sulfamoyl]benzamide899982-69-5C20H21N3O3S
- N-[[5-(1,3-Benzoxazol-2-yl)-2-methoxyphenyl]carbamothioyl]-3-methylbutanamide443291-13-2C20H21N3O3S
- (3-Methyl-6-phenylimidazo[2,1-b]thiazol-2-yl)(1,4-dioxa-8-azaspiro[4.5]decan-8-yl)methanone852132-57-1C20H21N3O3S
- 2-((4-(Butylamino)quinazolin-2-yl)thio)-1-(3,4-dihydroxyphenyl)ethanone422532-89-6C20H21N3O3S
- N-[2-[3-(2-Amino-2-oxoethyl)sulfanylindol-1-yl]ethyl]-2-methoxybenzamide862826-22-0C20H21N3O3S
- N-[4-(3-Nitrophenyl)-1,3-thiazol-2-yl]adamantane-1-carboxamide328539-64-6C20H21N3O3S
- 7-(4-Methoxyphenyl)-3-[2-oxo-2-(piperidin-1-yl)ethyl]-3H,4H-thieno[3,2-d]pyrimidin-4-one1207048-31-4C20H21N3O3S
- 1-(2-Methylbenzyl)-3-(1-pyrrolidinylcarbonyl)-4lambda~6~,1,2-benzothiadiazine-4,4(1H)-dione1251592-73-0C20H21N3O3S
- 3-(2,3-Dimethoxyphenyl)-1-(pyridin-2-ylmethyl)-1-(thiophen-3-ylmethyl)urea1235390-13-2C20H21N3O3S
- Ethyl 4-((2,5-dimethyl-3-phenylpyrazolo[1,5-a]pyrimidin-7-yl)thio)-3-oxobutanoate850745-00-5C20H21N3O3S
- N-(3,4-Dimethoxyphenethyl)-2-(quinazolin-4-ylthio)acetamide721907-40-0C20H21N3O3S
- 1-(3,4-Dimethoxyphenyl)-N-(thiophen-2-yl)-3,4-dihydropyrrolo[1,2-a]pyrazine-2(1H)-carboxamide899960-84-0C20H21N3O3S
- (2-(Ethylthio)phenyl)(4-(5-(furan-2-yl)-1,3,4-oxadiazol-2-yl)piperidin-1-yl)methanone1211803-67-6C20H21N3O3S
- 1-[(3-Methylphenyl)methyl]-3-(pyrrolidine-1-carbonyl)-1H-4lambda6,1,2-benzothiadiazine-4,4-dione1251566-26-3C20H21N3O3S
- 3-Benzyl-5-(1-((3-methylbenzyl)sulfonyl)azetidin-3-yl)-1,2,4-oxadiazole1351610-90-6C20H21N3O3S
- 3-(4-Methylbenzyl)-8-(2-thienylcarbonyl)-1,3,8-triazaspiro[4.5]decane-2,4-dione1021032-02-9C20H21N3O3S
- Ethyl 4-{[2-(1H-benzimidazol-2-ylsulfanyl)butanoyl]amino}benzoate713080-80-9C20H21N3O3S
- 2-(4-Methylpiperazin-1-yl)benzo[d]thiazol-6-yl 4-methoxybenzoate953194-51-9C20H21N3O3S
- N-(2-Methoxy-5-methylphenyl)-2-((1-methyl-5-phenyl-1H-imidazol-2-yl)sulfinyl)acetamide1006812-69-6C20H21N3O3S
- 4-[3-(4-Methoxyphenyl)-6-oxo-1,6-dihydropyridazin-1-yl]-N-[(thiophen-2-yl)methyl]butanamide946321-80-8C20H21N3O3S
- N-(4-(3,5-Dimethyl-1H-pyrazole-1-carbonyl)phenyl)-N,4-dimethylbenzenesulfonamide1020502-78-6C20H21N3O3S
- N-(5-(6-Methoxypyridazin-3-yl)-2-methylphenyl)-2-phenylethanesulfonamide1040664-90-1C20H21N3O3S
- N-(2-Methoxybenzyl)-4-(6-oxo-3-(thiophen-2-yl)pyridazin-1(6H)-yl)butanamide1021260-00-3C20H21N3O3S
- 2-{2-[(2,5-Dimethoxyphenyl)amino]-1,3-thiazol-4-yl}-N-(4-methylphenyl)acetamide1040655-72-8C20H21N3O3S
- N-(3,4-Dimethoxyphenethyl)-2-(phenylamino)thiazole-4-carboxamide1105219-02-0C20H21N3O3S
- N-(3-(6-Oxo-3-phenylpyridazin-1(6H)-yl)propyl)-1-phenylmethanesulfonamide1021056-71-2C20H21N3O3S
- 2-(4-Methoxyphenyl)-1-{3-[5-(thiophen-2-yl)-1,3,4-oxadiazol-2-yl]piperidin-1-yl}ethan-1-one1105200-28-9C20H21N3O3S
- Furan-2-yl(4-(5-(4-methoxybenzyl)-1,3,4-thiadiazol-2-yl)piperidin-1-yl)methanone1172756-37-4C20H21N3O3S
- (E)-N,N-Diethyl-3-((3-hydroxynaphthalen-1-yl)diazenyl)benzenesulfonamide327089-62-3C20H21N3O3S
- 2,6-Dimethoxy-N-[5-(2,4,6-trimethylphenyl)-1,3,4-thiadiazol-2-yl]benzamide391866-19-6C20H21N3O3S
- 3-(4-Methoxyphenyl)-N-(2-(6-oxo-3-(thiophen-2-yl)pyridazin-1(6H)-yl)ethyl)propanamide946264-58-0C20H21N3O3S
- 2-(4-Ethoxyphenyl)-N-(2-(6-oxo-3-(thiophen-2-yl)pyridazin-1(6H)-yl)ethyl)acetamide946264-74-0C20H21N3O3S
- 1-(2,5-Dimethoxyphenyl)-N-(thiophen-2-yl)-3,4-dihydropyrrolo[1,2-a]pyrazine-2(1H)-carboxamide900002-87-1C20H21N3O3S
- N-(2-(3-(4-Ethoxyphenyl)-6-oxopyridazin-1(6H)-yl)ethyl)-2-(thiophen-2-yl)acetamide921852-93-9C20H21N3O3S
- N-(Furan-2-ylmethyl)-2-(4-methyl-6-oxo-2-((1-phenylethyl)thio)-1,6-dihydropyrimidin-5-yl)acetamide1105245-87-1C20H21N3O3S
- 4-(2,4-Dimethoxyphenyl)-6-methyl-N-phenyl-2-thioxo-1,2,3,4-tetrahydropyrimidine-5-carboxamide397848-69-0C20H21N3O3S
- 6-(2,5-Dimethoxyphenyl)-4-methyl-N-phenyl-2-sulfanyl-1,6-dihydropyrimidine-5-carboxamide312621-07-1C20H21N3O3S
- (Z)-N-(6-Acetamido-3-(2-methoxyethyl)benzo[d]thiazol-2(3H)-ylidene)-3-methylbenzamide1005934-82-6C20H21N3O3S
- N-[2-(Hydroxymethyl)-1,3-benzothiazol-5-yl]-4-(morpholin-4-ylmethyl)benzamide790689-97-3C20H21N3O3S
- 1-[5-[2-Methoxy-6-[[2-(4-methoxyphenyl)ethyl]amino]-4-pyrimidinyl]-2-thienyl]ethanone885067-17-4C20H21N3O3S
- N-(4-Ethoxyphenyl)-2-[(4-methylphenyl)amino]-4-oxo-5,6-dihydro-4H-1,3-thiazine-6-carboxamide5707-53-9C20H21N3O3S
- 4-(3,4-Dimethoxyphenyl)-6-methyl-N-phenyl-2-thioxo-1,2,3,4-tetrahydropyrimidine-5-carboxamide371201-44-4C20H21N3O3S
- N-(Benzo[d][1,3]dioxol-5-ylmethyl)-3-(2,6-dimethylimidazo[2,1-b]thiazol-5-yl)-N-ethylacrylamide1015676-93-3C20H21N3O3S
- (9~{S})-5-methyl-12-(4-morpholin-4-ylphenyl)-9-oxidanyl-4-thia-2,12-diazatricyclo[7.3.0.0^{3,7}]dodeca-1,3(7),5-trien-8-one2649776-79-2C20H21N3O3S
- Isopropyl 3-({[(1-methyl-1H-benzimidazol-2-yl)sulfanyl]acetyl}amino)benzoate442869-68-3C20H21N3O3S
- Propyl 3-[(3-amino-4,6-dimethylthieno[2,3-b]pyridine-2-carbonyl)amino]benzoate691866-89-4C20H21N3O3S
- (2Z)-3-Ethyl-2-[(4-methoxyphenyl)imino]-4-oxo-N-phenyl-1,3-thiazinane-6-carboxamide401923-23-7C20H21N3O3S
- Methylethyl 3-[(3-amino-4,6-dimethylthiopheno[2,3-b]pyridin-2-yl)carbonylamino]benzoate691866-90-7C20H21N3O3S
- N-[5-[(3,4-Dimethoxyphenyl)methyl]-1,3,4-thiadiazol-2-yl]-3,4-dimethylbenzamide600163-52-8C20H21N3O3S
- Propyl 4-[(3-amino-4,6-dimethylthieno[2,3-b]pyridine-2-carbonyl)amino]benzoate691866-92-9C20H21N3O3S
- N-(2-Methoxyphenyl)-4-(3-methoxyphenyl)-6-methyl-2-sulfanylidene-3,4-dihydro-1H-pyrimidine-5-carboxamide5968-38-7C20H21N3O3S
- Ethyl 2-[4-[(4-methoxyphenyl)methylamino]quinazolin-2-yl]sulfanylacetate688355-42-2C20H21N3O3S
- 2-(1H-Benzimidazol-2-ylsulfanyl)-1-(6,7-dimethoxy-3,4-dihydroisoquinolin-2(1H)-yl)ethanone903206-81-5C20H21N3O3S
- 2-(Ethylsulfanyl)-5-(4-methoxyphenyl)-5,8,9,10-tetrahydropyrimido[4,5-b]quinoline-4,6(3H,7H)-dione537043-02-0C20H21N3O3S
- N-(2,4-Dimethoxyphenyl)-2-((1-methyl-5-phenyl-1H-imidazol-2-yl)thio)acetamide460996-72-9C20H21N3O3S
- N,4-bis(4-methoxyphenyl)-6-methyl-2-sulfanylidene-3,4-dihydro-1H-pyrimidine-5-carboxamide333767-84-3C20H21N3O3S
- 4-(3-Methoxyphenyl)-N-(4-methoxyphenyl)-6-methyl-2-sulfanylidene-3,4-dihydro-1H-pyrimidine-5-carboxamide313702-23-7C20H21N3O3S
- 1-(Oxolan-2-ylmethyl)-3-(9H-xanthene-9-carbonylamino)thiourea706764-27-4C20H21N3O3S
- Ethyl 3-cyano-2-(3-phenylpropanoylamino)-5,7-dihydro-4H-thieno[2,3-c]pyridine-6-carboxylate864927-12-8C20H21N3O3S
- 3-{3-[(Diethylamino)sulfonyl]phenyl}-1-phenylpyrazole-4-carbaldehyde956140-47-9C20H21N3O3S
- Ethyl 2-[[5-(4-methoxyphenyl)-4-(2-methylphenyl)-1,2,4-triazol-3-yl]sulfanyl]acetate693236-15-6C20H21N3O3S
- N-(3-Carbamoyl-4,5,6,7-tetrahydro-1-benzothiophen-2-yl)-5-oxo-1-phenylpyrrolidine-3-carboxamide663200-38-2C20H21N3O3S
- Benzenesulfonamide, N-(2,3-dihydro-5-(1,4,5,6-tetrahydro-6-oxo-3-pyridazinyl)-1H-inden-2-yl)-4-methyl-114149-38-1C20H21N3O3S
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 2-[2,4-Dioxo-3-(2-phenylethyl)-5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d]pyrimidin-1-yl]acetamide, 2-(3-Methyl-4-oxoquinazolin-2-yl)sulfanyl-N-(2-propan-2-yloxyphenyl)acetamide, N-Benzyl-N-(4-methoxy-6-methylpyrimidin-2-yl)-4-methylbenzenesulfonamide. 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.