Molecular formula
C21H16N2O3S
85 compounds have this formula on CompoundList.
- Molar mass
- 376.43g/mol
- Monoisotopic mass
- 376.0882Da
- Atoms
- 43
- Elements
- 5
- Rings plus double bonds
- 15
The formula C21H16N2O3S describes a molecule made of 21 carbon atoms, 16 hydrogen atoms, 2 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 × 2167.01%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 164.28%1.008 × 16 = 16.128 g/mol
- N Nitrogen × 27.44%14.007 × 2 = 28.014 g/mol
- O Oxygen × 312.75%15.999 × 3 = 47.997 g/mol
- S Sulfur × 18.52%32.06 × 1 = 32.060 g/mol
Look up another formula
Compounds with the formula C21H16N2O3S
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 85 of 85 compounds
2-(3-Cyano-4-(2-methoxyphenyl)-6-phenyl-pyridin-2-yl)sulfanylethanoic acid
CAS 312757-90-7C21H16N2O3S
![4-[[[[Oxo-(4-phenylphenyl)methyl]amino]-sulfanylidenemethyl]amino]benzoic acid chemical structure, C21H16N2O3S, CAS 434306-07-7](/s/RBKZPYOUFIPFPA-UHFFFAOYSA-N.svg)
4-[[[[Oxo-(4-phenylphenyl)methyl]amino]-sulfanylidenemethyl]amino]benzoic acid
CAS 434306-07-7C21H16N2O3S
![{[3-Cyano-6-(4-methoxyphenyl)-4-phenyl-2-pyridinyl]sulfanyl}acetic acid chemical structure, C21H16N2O3S, CAS 94639-80-2](/s/PORPGZWBHAMTPH-UHFFFAOYSA-N.svg)
{[3-Cyano-6-(4-methoxyphenyl)-4-phenyl-2-pyridinyl]sulfanyl}acetic acid
CAS 94639-80-2C21H16N2O3S
![3-(3-([1,1'-Biphenyl]-4-carbonyl)thioureido)benzoic acid chemical structure, C21H16N2O3S, CAS 433954-52-0](/s/JQQOYHLMQIIFNE-UHFFFAOYSA-N.svg)
3-(3-([1,1'-Biphenyl]-4-carbonyl)thioureido)benzoic acid
CAS 433954-52-0C21H16N2O3S
methanolate chemical structure, C21H16N2O3S, CAS 384376-57-2](/s/VBQBBPQKVDMVDN-UHFFFAOYSA-N.svg)
(E)-[1-(6-Methylpyridinium-2-yl)-4,5-dioxo-2-phenylpyrrolidin-3-ylidene](thiophen-2-yl)methanolate
CAS 384376-57-2C21H16N2O3S
2-(2,4-Dioxo-3-phenyl-thiazolidin-5-yl)-N-naphthalen-1-yl-acetamide
CAS 497082-36-7C21H16N2O3S
![Methyl 2-[(10H-phenothiazin-10-ylcarbonyl)amino]benzoate chemical structure, C21H16N2O3S, CAS 355430-70-5](/s/SEFPOGFGLQJCNQ-UHFFFAOYSA-N.svg)
Methyl 2-[(10H-phenothiazin-10-ylcarbonyl)amino]benzoate
CAS 355430-70-5C21H16N2O3S
![2-[(2-Cyanophenyl)sulfinyl]-N-(4-methoxyphenyl)benzenecarboxamide chemical structure, C21H16N2O3S, CAS 477710-67-1](/s/ZCGMIZTTYUXOHF-UHFFFAOYSA-N.svg)
2-[(2-Cyanophenyl)sulfinyl]-N-(4-methoxyphenyl)benzenecarboxamide
CAS 477710-67-1C21H16N2O3S
Benzyl 2-(5-phenyl-1,3,4-oxadiazol-2-yl)phenyl sulfone
CAS 339104-06-2C21H16N2O3S
N-(2,3-Dihydro-1,4-benzodioxin-6-yl)phenothiazine-10-carboxamide
CAS 432519-94-3C21H16N2O3S
![2,5-Diphenyl-3-(thiophen-2-yl)dihydro-2H-pyrrolo[3,4-d]isoxazole-4,6(5H,6aH)-dione chemical structure, C21H16N2O3S, CAS 1212419-95-8](/s/CTKZRGNTAQNXDM-UHFFFAOYSA-N.svg)
2,5-Diphenyl-3-(thiophen-2-yl)dihydro-2H-pyrrolo[3,4-d]isoxazole-4,6(5H,6aH)-dione
CAS 1212419-95-8C21H16N2O3S
![N-(3-(Benzo[d]thiazol-2-yl)-4-hydroxyphenyl)-2-phenoxyacetamide chemical structure, C21H16N2O3S, CAS 313469-58-8](/s/AOZYHCYFSOHWLY-UHFFFAOYSA-N.svg)
N-(3-(Benzo[d]thiazol-2-yl)-4-hydroxyphenyl)-2-phenoxyacetamide
CAS 313469-58-8C21H16N2O3S
![(5Z)-5-[[3-(11-Oxo-1-azatricyclo[6.3.1.04,12]dodeca-4(12),5,7-trien-7-yl)phenyl]methylidene]-1,3-thiazolidine-2,4-dione chemical structure, C21H16N2O3S, CAS 2008006-36-6](/s/CGUAICJZQHKUOC-BOPFTXTBSA-N.svg)
(5Z)-5-[[3-(11-Oxo-1-azatricyclo[6.3.1.04,12]dodeca-4(12),5,7-trien-7-yl)phenyl]methylidene]-1,3-thiazolidine-2,4-dione
CAS 2008006-36-6C21H16N2O3S
2-(1,3-Benzoxazol-2-ylsulfanyl)-N-(4-phenoxyphenyl)acetamide
CAS 444165-34-8C21H16N2O3S
3-Benzyl-2-(4-nitrophenyl)-2,3-dihydro-4H-1,3-benzothiazin-4-one
CAS 288155-03-3C21H16N2O3S
2-(1,3-Benzoxazol-2-ylsulfanyl)-N-(2-phenoxyphenyl)acetamide
CAS 312622-19-8C21H16N2O3S
(4-Quinoxalin-2-ylphenyl) 4-methylbenzenesulfonate
CAS 320583-22-0C21H16N2O3S
![N-[4-(3,4-Dimethylphenyl)-1,3-thiazol-2-yl]-4-oxo-4H-chromene-2-carboxamide chemical structure, C21H16N2O3S, CAS 361166-35-0](/s/MPRKKBOETKTGDW-UHFFFAOYSA-N.svg)
N-[4-(3,4-Dimethylphenyl)-1,3-thiazol-2-yl]-4-oxo-4H-chromene-2-carboxamide
CAS 361166-35-0C21H16N2O3S
![N-[5-[(4-Methylphenyl)methyl]-1,3-thiazol-2-yl]-1-oxoisochromene-3-carboxamide chemical structure, C21H16N2O3S, CAS 853891-36-8](/s/ASTHARJVZLUBIB-UHFFFAOYSA-N.svg)
N-[5-[(4-Methylphenyl)methyl]-1,3-thiazol-2-yl]-1-oxoisochromene-3-carboxamide
CAS 853891-36-8C21H16N2O3S
4-Acetamidophenyl 10H-phenothiazine-10-carboxylate
CAS 898472-19-0C21H16N2O3S
3-Methyl-1-phenyl-4-(phenylthio)-1H-pyrazol-5-yl furan-2-carboxylate
CAS 851126-19-7C21H16N2O3S
![(E)-N-(3-Methylnaphtho[2,1-d]thiazol-2(3H)-ylidene)-2,3-dihydrobenzo[b][1,4]dioxine-2-carboxamide chemical structure, C21H16N2O3S, CAS 850903-31-0](/s/VKJHDXWFMRBKBQ-UHFFFAOYSA-N.svg)
(E)-N-(3-Methylnaphtho[2,1-d]thiazol-2(3H)-ylidene)-2,3-dihydrobenzo[b][1,4]dioxine-2-carboxamide
CAS 850903-31-0C21H16N2O3S
2-((3-Cyano-4-(4-methoxyphenyl)-6-phenylpyridin-2-yl)thio)acetic acid
CAS 94640-09-2C21H16N2O3S
![4-Benzyl-7-hydroxy-5-oxo-N-phenyl-4H,5H-thieno[3,2-b]pyridine-6-carboxamide chemical structure, C21H16N2O3S, CAS 1351794-39-2](/s/SZAXHELWSHPTSP-UHFFFAOYSA-N.svg)
4-Benzyl-7-hydroxy-5-oxo-N-phenyl-4H,5H-thieno[3,2-b]pyridine-6-carboxamide
CAS 1351794-39-2C21H16N2O3S
- 3-Hydroxy-5-phenyl-1-(pyridin-3-ylmethyl)-4-(thiophen-2-ylcarbonyl)-1,5-dihydro-2H-pyrrol-2-one380154-79-0C21H16N2O3S
- (4E)-4-[Hydroxy(phenyl)methylidene]-5-(4-methylphenyl)-1-(1,3-thiazol-2-yl)pyrrolidine-2,3-dione384376-35-6C21H16N2O3S
- N-(4-Phenoxyphenyl)quinoline-8-sulfonamide438529-26-1C21H16N2O3S
- N-(3-(Benzo[d]thiazol-2-yl)-4-hydroxyphenyl)-3-methoxybenzamide292066-49-0C21H16N2O3S
- 3-(2-Quinoxalinyl)phenyl 4-methylbenzenesulfonate330593-41-4C21H16N2O3S
- N-[4-(1,3-Benzothiazol-2-yl)-3-hydroxyphenyl]-4-methoxybenzamide327051-63-8C21H16N2O3S
- Methyl 4-cyano-3-methyl-5-[(4-phenylbenzoyl)amino]thiophene-2-carboxylate461403-76-9C21H16N2O3S
- 2-[[5-(4-Methoxyphenyl)-1,3,4-oxadiazol-2-yl]sulfanyl]-1-naphthalen-2-ylethanone312279-39-3C21H16N2O3S
- N-(6-Methoxy-1,3-benzothiazol-2-yl)-2-phenoxybenzamide349440-72-8C21H16N2O3S
- 2-((2-Oxo-2-(2-oxo-2H-chromen-3-yl)ethyl)thio)-5,6,7,8-tetrahydroquinoline-3-carbonitrile370871-17-3C21H16N2O3S
- N-(4-(2,4-Dimethylphenyl)thiazol-2-yl)-4-oxo-4H-chromene-2-carboxamide361166-34-9C21H16N2O3S
- (Z)-8-(Pyridin-2-ylmethyl)-2-(thiophen-2-ylmethylene)-8,9-dihydro-2H-benzofuro[7,6-e][1,3]oxazin-3(7H)-one951941-63-2C21H16N2O3S
- N-[4-(1,3-Benzothiazol-2-yl)-3-hydroxyphenyl]-2-phenoxyacetamide391867-52-0C21H16N2O3S
- N-(3-(Benzo[d]thiazol-2-yl)-4-hydroxyphenyl)-2-methoxybenzamide2509-91-3C21H16N2O3S
- (Z)-2-(Pyridin-4-ylmethylene)-8-(thiophen-2-ylmethyl)-8,9-dihydro-2H-benzofuro[7,6-e][1,3]oxazin-3(7H)-one929859-39-2C21H16N2O3S
- Benzamide, N-(6-methoxy-2-benzothiazolyl)-4-phenoxy-308292-76-4C21H16N2O3S
- N-(3-Methylbenzo[g][1,3]benzothiazol-2-ylidene)-2,3-dihydro-1,4-benzodioxine-6-carboxamide441291-85-6C21H16N2O3S
- (E)-Methyl 4-((3-methylnaphtho[2,1-d]thiazol-2(3H)-ylidene)carbamoyl)benzoate441290-88-6C21H16N2O3S
- N-(5-(3-Methylbenzyl)thiazol-2-yl)-1-oxo-1H-isochromene-3-carboxamide853891-48-2C21H16N2O3S
- (Z)-2-(Pyridin-3-ylmethylene)-8-(thiophen-2-ylmethyl)-8,9-dihydro-2H-benzofuro[7,6-e][1,3]oxazin-3(7H)-one929809-24-5C21H16N2O3S
- (Z)-8-(Pyridin-3-ylmethyl)-2-(thiophen-2-ylmethylene)-8,9-dihydro-2H-benzofuro[7,6-e][1,3]oxazin-3(7H)-one929967-50-0C21H16N2O3S
- (Z)-8-(Pyridin-4-ylmethyl)-2-(thiophen-2-ylmethylene)-8,9-dihydro-2H-benzofuro[7,6-e][1,3]oxazin-3(7H)-one951946-27-3C21H16N2O3S
- 19-Ethyl-18-hydroxy-6,8-dimethyl-15-oxa-3-thia-5,11-diazapentacyclo[11.8.0.0^{2,10}.0^{4,9}.0^{16,21}]henicosa-1(13),2(10),4(9),5,7,11,16,18,20-nonaen-14-one1007635-27-9C21H16N2O3S
- N-[4-(5-Methylfuran-2-yl)-1,3-thiazol-2-yl]-4-phenoxybenzamide441290-40-0C21H16N2O3S
- N-(4-Methoxy-1,3-benzothiazol-2-yl)-2-phenoxybenzamide328539-51-1C21H16N2O3S
- 5-(4-Phenoxyanilino)-3-phenyl-1,3-thiazolidine-2,4-dione4823-25-0C21H16N2O3S
- N-Phenyl-3-(2-(thiophen-2-yl)acetamido)benzofuran-2-carboxamide862829-76-3C21H16N2O3S
- 2-(2-Methylbenzohydrazonoyl)-1-benzothien-3-yl 2-furoate327104-67-6C21H16N2O3S
- 5-(4-Aminophenoxy)-2-[2-(methylthio)phenyl]-1H-isoindole-1,3(2H)-dione1170101-66-2C21H16N2O3S
- N-(4-Pyridin-3-yloxyphenyl)naphthalene-2-sulfonamide496769-30-3C21H16N2O3S
- Methyl 4-{[5-(4-methylphenyl)thieno[2,3-d]pyrimidin-4-yl]oxy}benzoate374693-94-4C21H16N2O3S
- Methyl 4-({6-methyl-5-phenylthieno[2,3-d]pyrimidin-4-yl}oxy)benzoate384849-45-0C21H16N2O3S
- 1-(4-Methoxyphenyl)-2-[(5-naphthalen-1-yl-1,3,4-oxadiazol-2-yl)sulfanyl]ethanone825596-39-2C21H16N2O3S
- 2,4-Dimethyl-N-[4-(2-oxochromen-3-yl)-1,3-thiazol-2-yl]benzamide888412-08-6C21H16N2O3S
- 5-(4-Methoxyphenyl)-3-phenacylthieno[2,3-d]pyrimidin-4-one692762-86-0C21H16N2O3S
- 6-(2H-1,3-Benzodioxol-5-yl)-2-{[(4-methoxyphenyl)methyl]sulfanyl}pyridine-3-carbonitrile1043389-74-7C21H16N2O3S
- 2-Oxo-N-(pyridin-2-ylmethyl)-N-(thiophen-3-ylmethyl)-2H-chromene-3-carboxamide1235655-60-3C21H16N2O3S
- 3-((4-Phenoxyphenyl)amino)-2-(phenylsulfonyl)prop-2-enenitrile1024903-36-3C21H16N2O3S
- 3-Amino-4-(4-methoxyphenyl)-6-phenylthieno[2,3-b]pyridine-2-carboxylic acid94639-85-7C21H16N2O3S
- N-(4-Methyl-3-prop-2-enyl-1,3-benzothiazol-2-ylidene)-4-oxochromene-2-carboxamide868376-42-5C21H16N2O3S
- (Z)-N-(1-Methylnaphtho[1,2-d]thiazol-2(1H)-ylidene)-2,3-dihydrobenzo[b][1,4]dioxine-2-carboxamide850903-34-3C21H16N2O3S
- (Z)-Methyl 2-(2-((1-naphthoyl)imino)benzo[d]thiazol-3(2H)-yl)acetate941871-91-6C21H16N2O3S
- Ethyl 3-(4-cyanobenzamido)-5-phenylthiophene-2-carboxylate391867-55-3C21H16N2O3S
- 3-(1,3-Benzodioxol-5-ylmethyl)-5-(4-methylphenyl)thieno[2,3-d]pyrimidin-4(3H)-one901661-41-4C21H16N2O3S
- 4-(Benzenesulfonyl)-6-methoxy-2-phenyl-1,5-naphthyridine193337-22-3C21H16N2O3S
- 4-(2H-1,3-Benzodioxol-5-yl)-7-(thiophen-3-yl)-8-oxa-5,6-diazatricyclo[7.4.0.0^{2,6}]trideca-1(9),4,10,12-tetraene899728-77-9C21H16N2O3S
- 7-Ethoxy-N-(8H-indeno[1,2-d]thiazol-2-yl)benzofuran-2-carboxamide921801-37-8C21H16N2O3S
- N-(4-(7-Methoxybenzofuran-2-yl)thiazol-2-yl)cinnamamide942007-07-0C21H16N2O3S
- (Z)-Methyl 4-(1-((thiophene-2-carbonyl)imino)isoindolin-2-yl)benzoate1018049-09-6C21H16N2O3S
- N-[4-(4-Methoxyphenyl)-5-phenyl-1,3-thiazol-2-yl]furan-2-carboxamide5676-43-7C21H16N2O3S
- 3-Phenyl-5-{4-[(phenylsulfonyl)methyl]phenyl}-1,2,4-oxadiazole892682-71-2C21H16N2O3S
- 4-(1-(Phenylsulfonyl)-1H-indol-3-yl)benzamide184842-71-5C21H16N2O3S
- (Z)-3-(Benzo[d][1,3]dioxol-5-yl)-2-(4-(4-ethoxyphenyl)thiazol-2-yl)acrylonitrile476674-07-4C21H16N2O3S
- 2-Nitro-6-(4-phenyl-2,3-dihydro-1,5-benzothiazepin-2-yl)phenol89406-22-4C21H16N2O3S
- 4-Nitro-2-(4-phenyl-2,3-dihydro-1,5-benzothiazepin-2-yl)phenol89406-23-5C21H16N2O3S
- 3-[Anilino(phenyl)methylidene]-2,3-dihydro-1lambda~6~,2-benzothiazine-1,1,4-trione61018-85-7C21H16N2O3S
- Benzyl 6-(5-cyanothiophen-2-yl)-3,4-dihydro-2H-1,4-benzoxazine-4-carboxylate2680890-66-6C21H16N2O3S
- Benzyl N-[3-(1,3-benzothiazol-2-yl)-4-hydroxyphenyl]carbamate2680887-00-5C21H16N2O3S
- 1H-Indole,3-acetyl-1-(phenylsulfonyl)-2-(2-pyridinyl)-106154-47-6C21H16N2O3S
- 4-Thiazolidinone, 2-iMino-3-(4-Methoxyphenyl)-5-[(5-phenyl-2-furanyl)Methylene]-1420071-47-1C21H16N2O3S
- rel-(3S,3aS,6aR)-2,5-diphenyl-3-(thiophen-2-yl)tetrahydro-4H-pyrrolo[3,4-d]isoxazole-4,6(5H)-dione26505-54-4C21H16N2O3S
Frequently asked questions
What is the molar mass of C21H16N2O3S?
The molar mass of C21H16N2O3S is 376.43 g/mol, calculated from standard atomic weights for 21 carbon atoms, 16 hydrogen atoms, 2 nitrogen atoms, 3 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 376.0882 Da.
How many compounds have the formula C21H16N2O3S?
CompoundList lists 85 compounds with the molecular formula C21H16N2O3S, including 2-(3-Cyano-4-(2-methoxyphenyl)-6-phenyl-pyridin-2-yl)sulfanylethanoic acid, 4-[[[[Oxo-(4-phenylphenyl)methyl]amino]-sulfanylidenemethyl]amino]benzoic acid, {[3-Cyano-6-(4-methoxyphenyl)-4-phenyl-2-pyridinyl]sulfanyl}acetic acid. 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 C21H16N2O3S?
C21H16N2O3S has a degree of unsaturation of 15. 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.