Molecular formula
C21H19N3O2S
189 compounds have this formula on CompoundList.
- Molar mass
- 377.46g/mol
- Monoisotopic mass
- 377.1198Da
- Atoms
- 46
- Elements
- 5
- Rings plus double bonds
- 14
The formula C21H19N3O2S describes a molecule made of 21 carbon atoms, 19 hydrogen atoms, 3 nitrogen atoms, 2 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 × 2166.82%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 195.07%1.008 × 19 = 19.152 g/mol
- N Nitrogen × 311.13%14.007 × 3 = 42.021 g/mol
- O Oxygen × 28.48%15.999 × 2 = 31.998 g/mol
- S Sulfur × 18.49%32.06 × 1 = 32.060 g/mol
Look up another formula
Compounds with the formula C21H19N3O2S
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 100 of 189 compounds
4-(3,5-Diphenyl-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonamide
CAS 10179-57-4C21H19N3O2S
![N-(4-Ethoxyphenyl)-3-methyl-1-phenyl-1H-thieno[2,3-c]pyrazole-5-carboxamide chemical structure, C21H19N3O2S, CAS 296262-08-3](/s/DURZYRKPUIBFOO-UHFFFAOYSA-N.svg)
N-(4-Ethoxyphenyl)-3-methyl-1-phenyl-1H-thieno[2,3-c]pyrazole-5-carboxamide
CAS 296262-08-3C21H19N3O2S
Cbipes
CAS 353235-01-5C21H19N3O2S
2H-1-Benzopyran-2-one, 7-(diethylamino)-3-(5-phenyl-1,3,4-thiadiazol-2-yl)-
CAS 62143-26-4C21H19N3O2S
N-(3-Cyano-6-methyl-4,5,6,7-tetrahydro-1-benzothiophen-2-yl)-5-methyl-3-phenyl-1,2-oxazole-4-carboxamide
CAS 313069-11-3C21H19N3O2S
5-(Furan-2-yl)-3-(2-methoxyphenyl)-N-phenyl-4,5-dihydro-1H-pyrazole-1-carbothioamide
CAS 438481-99-3C21H19N3O2S
![2-Methoxy-N-[[4-(pyridin-4-ylmethyl)phenyl]carbamothioyl]benzamide chemical structure, C21H19N3O2S, CAS 370869-44-6](/s/SKSLNXILBSAHLQ-UHFFFAOYSA-N.svg)
2-Methoxy-N-[[4-(pyridin-4-ylmethyl)phenyl]carbamothioyl]benzamide
CAS 370869-44-6C21H19N3O2S
![N-[1-(4-Methylbenzyl)-1,3-dihydro-2H-1,3-benzimidazol-2-yliden]benzenesulfonamide chemical structure, C21H19N3O2S, CAS 860787-87-7](/s/UTTJUMUSSCYMEV-UHFFFAOYSA-N.svg)
N-[1-(4-Methylbenzyl)-1,3-dihydro-2H-1,3-benzimidazol-2-yliden]benzenesulfonamide
CAS 860787-87-7C21H19N3O2S
![Benzyl N-[4,6-dimethyl-3-(1H-pyrrol-1-yl)thieno[2,3-b]pyridin-2-yl]carbamate chemical structure, C21H19N3O2S, CAS 334968-15-9](/s/WLDYKPLGGWVYEY-UHFFFAOYSA-N.svg)
Benzyl N-[4,6-dimethyl-3-(1H-pyrrol-1-yl)thieno[2,3-b]pyridin-2-yl]carbamate
CAS 334968-15-9C21H19N3O2S
![N-(2-{Imidazo[1,2-a]pyridin-2-yl}ethyl)-[1,1'-biphenyl]-4-sulfonamide chemical structure, C21H19N3O2S, CAS 868978-64-7](/s/YMFXGSHNUCHEKC-UHFFFAOYSA-N.svg)
N-(2-{Imidazo[1,2-a]pyridin-2-yl}ethyl)-[1,1'-biphenyl]-4-sulfonamide
CAS 868978-64-7C21H19N3O2S
![1-[4-(4-Methoxyphenyl)-1-phenyl-5-(2-thienyl)-4,5-dihydro-1H-1,2,4-triazol-3-yl]ethanone chemical structure, C21H19N3O2S, CAS 312278-14-1](/s/MNGCYDLCKBXSBD-UHFFFAOYSA-N.svg)
1-[4-(4-Methoxyphenyl)-1-phenyl-5-(2-thienyl)-4,5-dihydro-1H-1,2,4-triazol-3-yl]ethanone
CAS 312278-14-1C21H19N3O2S
2-Amino-1-(4-methoxyphenyl)-5-oxo-4-(3-thienyl)-1,4,5,6,7,8-hexahydro-3-quinolinecarbonitrile
CAS 311327-26-1C21H19N3O2S
(5Z)-2-(4-Methylphenyl)-5-(2-propoxybenzylidene)(1,3)thiazolo(3,2-B)(1,2,4)triazol-6(5H)-one
CAS 609794-90-3C21H19N3O2S
(5E)-2-(4-Ethoxyphenyl)-5-(4-ethylbenzylidene)(1,3)thiazolo(3,2-B)(1,2,4)triazol-6(5H)-one
CAS 606954-65-8C21H19N3O2S
Methanesulfonanilide, 4'-(9-acridinylamino)-3'-methyl-
CAS 57164-89-3C21H19N3O2S
Methanesulfonanilide, 4'-(2-methyl-9-acridinylamino)-
CAS 53222-10-9C21H19N3O2S
Ethanesulfonanilide, p-(9-acridinylamino)-
CAS 53221-86-6C21H19N3O2S
Methanesulfonanilide, 4'-(9-acridinylamino)-N-methyl-
CAS 64894-82-2C21H19N3O2S
4-(2-((Ethylamino)carbothioyl)carbohydrazonoyl)phenyl 1-naphthoate
CAS 477731-04-7C21H19N3O2S
![2-[(6-Methoxy-4-methylquinazolin-2-yl)sulfanyl]-1-(2-methyl-1H-indol-3-yl)ethanone chemical structure, C21H19N3O2S, CAS 896664-77-0](/s/VCSVJKZBZHYBKO-UHFFFAOYSA-N.svg)
2-[(6-Methoxy-4-methylquinazolin-2-yl)sulfanyl]-1-(2-methyl-1H-indol-3-yl)ethanone
CAS 896664-77-0C21H19N3O2S
Methanesulfonanilide, 4'-(4-methyl-9-acridinylamino)-
CAS 53221-79-7C21H19N3O2S
Methanesulfonanilide, 4'-(3-methyl-9-acridinylamino)-
CAS 53478-39-0C21H19N3O2S
Methanesulfonamide, N-(4-((1-methyl-9-acridinyl)amino)phenyl)-
CAS 61417-03-6C21H19N3O2S
![3-Benzyl-8,8-dimethyl-7,10-dihydro-8H-pyrano[3'',4'':5',6']pyrido[3',2':4,5]thieno[3,2-d]pyrimidin-4(3H)-one chemical structure, C21H19N3O2S, CAS 354550-77-9](/s/GPRZHIMFULGEJH-UHFFFAOYSA-N.svg)
3-Benzyl-8,8-dimethyl-7,10-dihydro-8H-pyrano[3'',4'':5',6']pyrido[3',2':4,5]thieno[3,2-d]pyrimidin-4(3H)-one
CAS 354550-77-9C21H19N3O2S
- N-(2-Methoxy-5-methylphenyl)-3-methyl-1-phenyl-1H-thieno[2,3-c]pyrazole-5-carboxamide313968-25-1C21H19N3O2S
- 1-(Indolin-1-yl)-2-((6-(3-methoxyphenyl)pyridazin-3-yl)thio)ethanone872695-26-6C21H19N3O2S
- N-{1-[(4,6-Dimethylpyrimidin-2-yl)sulfanyl]-2-oxo-2-phenylethyl}benzamide314028-62-1C21H19N3O2S
- 2-[2-(5,6-Dihydrobenzo[b][1]benzazepin-11-yl)-2-oxoethyl]sulfanyl-6-methyl-1H-pyrimidin-4-one297157-44-9C21H19N3O2S
- 1-Ethanesulfonamide, 2-(p-(9-acridinylamino)phenyl)-66147-71-5C21H19N3O2S
- N-(2-(4-Phenoxyphenyl)-4,6-dihydro-2H-thieno[3,4-c]pyrazol-3-yl)cyclopropanecarboxamide396723-98-1C21H19N3O2S
- 2-Naphthalen-2-yloxy-1-[2-(pyridin-3-ylmethylsulfanyl)-4,5-dihydroimidazol-1-yl]ethanone851807-83-5C21H19N3O2S
- N-((1-Methyl-1H-pyrrol-2-yl)methyl)-5-phenyl-N-(thiophen-2-ylmethyl)isoxazole-3-carboxamide1251699-32-7C21H19N3O2S
- (2Z)-2-[(2-Methyl-4-morpholin-4-ylphenyl)methylidene]-[1,3]thiazolo[3,2-a]benzimidazol-1-one680991-84-8C21H19N3O2S
- N-(2-(4-Methoxyphenyl)-4,6-dihydro-2H-thieno[3,4-c]pyrazol-3-yl)cinnamamide361168-37-8C21H19N3O2S
- N-({7-Methylimidazo[1,2-a]pyridin-2-yl}methyl)-[1,1'-biphenyl]-4-sulfonamide868972-37-6C21H19N3O2S
- N-(3-Ethoxybenzyl)-3-(1H-pyrrol-1-yl)thieno[2,3-b]pyridine-2-carboxamide1112279-66-9C21H19N3O2S
- Methanesulfonanilide, 4'-(9-acridinylamino)-2'-methyl-57164-87-1C21H19N3O2S
- N-[(4-Methoxyphenyl)methyl]-3-methyl-6-phenylimidazo[2,1-b][1,3]thiazole-2-carboxamide852133-33-6C21H19N3O2S
- 2-{4-Methyl-6-oxo-8-thia-3,5-diazatricyclo[7.4.0.0^{2,7}]trideca-1(13),2(7),3,9,11-pentaen-5-yl}-N-[(4-methylphenyl)methyl]acetamide1040678-38-3C21H19N3O2S
- 2-{6-Oxo-8-thia-3,5-diazatricyclo[7.4.0.0^{2,7}]trideca-1(13),2(7),3,9,11-pentaen-5-yl}-N-(2,4,6-trimethylphenyl)acetamide1021256-91-6C21H19N3O2S
- 1-(1-Benzoyl-1,2,3,4-tetrahydroquinolin-7-yl)-3-(thiophen-2-yl)urea1203057-94-6C21H19N3O2S
- N-((2-Oxopyrrolidin-1-yl)methyl)-N-(thiazol-2-yl)-[1,1'-biphenyl]-4-carboxamide863001-81-4C21H19N3O2S
- 3-Allyl-7-(3,4-dihydroisoquinolin-2(1H)-ylcarbonyl)-2-thioxo-2,3-dihydroquinazolin-4(1H)-one361475-17-4C21H19N3O2S
- N-(2,6-Dimethylphenyl)-2-{4-methyl-6-oxo-8-thia-3,5-diazatricyclo[7.4.0.0^{2,7}]trideca-1(13),2(7),3,9,11-pentaen-5-yl}acetamide1040670-11-8C21H19N3O2S
- 2-(4-Methoxyphenyl)-N-(4-(3-methylimidazo[2,1-b]thiazol-6-yl)phenyl)acetamide893984-68-4C21H19N3O2S
- N-(2-Ethylphenyl)-6-(4-methoxyphenyl)imidazo[2,1-b]thiazole-3-carboxamide1021260-42-3C21H19N3O2S
- N-(2,5-Dimethylphenyl)-6-(4-methoxyphenyl)imidazo[2,1-b]thiazole-3-carboxamide1021218-36-9C21H19N3O2S
- 7-Ethoxy-5-(pyridin-2-yl)-2-(thiophen-2-yl)-5,10b-dihydro-1H-benzo[e]pyrazolo[1,5-c][1,3]oxazine900003-89-6C21H19N3O2S
- 3-[(2-Methoxyphenyl)methyl]-2-(methylsulfanyl)-7-phenyl-3H,4H,5H-pyrrolo[3,2-d]pyrimidin-4-one1040677-28-8C21H19N3O2S
- 3-[(4-Methoxyphenyl)methyl]-2-(methylsulfanyl)-7-phenyl-3H,4H,5H-pyrrolo[3,2-d]pyrimidin-4-one1040655-30-8C21H19N3O2S
- N-(2-Methoxyphenyl)-3-(6-phenylimidazo[2,1-b]thiazol-3-yl)propanamide1040643-35-3C21H19N3O2S
- 6-(4-Methoxyphenyl)-N,3-dimethyl-N-phenylimidazo[2,1-b]thiazole-2-carboxamide921161-49-1C21H19N3O2S
- 4-((2-Oxo-2-phenylethyl)thio)-1-(pyridin-4-ylmethyl)-6,7-dihydro-1H-cyclopenta[d]pyrimidin-2(5H)-one900000-01-3C21H19N3O2S
- 3-Methyl-2-({[5-methyl-2-(4-methylphenyl)-1,3-oxazol-4-yl]methyl}sulfanyl)-3,4-dihydroquinazolin-4-one1021221-87-3C21H19N3O2S
- 2-[6-(4-Methoxyphenyl)imidazo[2,1-b][1,3]thiazol-3-yl]-N-(3-methylphenyl)acetamide897460-77-4C21H19N3O2S
- N-Benzyl-6-(4-methoxyphenyl)-N-methylimidazo[2,1-b]thiazole-3-carboxamide1049422-85-6C21H19N3O2S
- 1-(2-Cyclopropyl-1-methyl-1H-benzimidazol-6-yl)-4-(2-thienylmethoxy)pyridin-2(1H)-one1447912-79-9C21H19N3O2S
- N-(3-(m-Tolylcarbamoyl)-5,6-dihydro-4H-cyclopenta[b]thiophen-2-yl)nicotinamide328286-36-8C21H19N3O2S
- 2-{[3-Cyano-4-(2-methylphenyl)-6-oxo-1,4,5,6-tetrahydropyridin-2-yl]sulfanyl}-N-phenylacetamide312509-63-0C21H19N3O2S
- N-[3-[(2-Methylphenyl)carbamoyl]-5,6-dihydro-4H-cyclopenta[b]thiophen-2-yl]pyridine-3-carboxamide328286-01-7C21H19N3O2S
- 2-(3-Nitrophenyl)-1-(p-tolyl)-5,6,7,8-tetrahydroquinazoline-4(1H)-thione431917-63-4C21H19N3O2S
- N-(4-Imidazo[1,2-a]pyridin-2-ylphenyl)-2,4-dimethylbenzenesulfonamide429651-78-5C21H19N3O2S
- N-[3-(Benzyloxy)-2-pyridinyl]-N'-(4-methylbenzoyl)thiourea497060-27-2C21H19N3O2S
- 1-(3,4-Dihydroisoquinolin-2(1H)-yl)-2-[(4-hydroxy-6-phenylpyrimidin-2-yl)sulfanyl]ethanone522652-60-4C21H19N3O2S
- 4-Methyl-N-[1-(4-methylphenyl)benzimidazol-5-yl]benzenesulfonamide292052-62-1C21H19N3O2S
- 1-Benzyl-2-(3-nitrophenyl)-1,4,5,6,7,8-hexahydroquinazoline-4-thione431978-56-2C21H19N3O2S
- 1-Benzyl-2-(4-nitrophenyl)-5,6,7,8-tetrahydroquinazoline-4(1H)-thione433310-21-5C21H19N3O2S
- N-[[3-(Propanoylamino)phenyl]carbamothioyl]naphthalene-1-carboxamide356079-20-4C21H19N3O2S
- N-Mesityl-9-methyl-4-oxo-4H-pyrido[1,2-a]thieno[2,3-d]pyrimidine-2-carboxamide690252-81-4C21H19N3O2S
- N-(2,3-Dihydro-1H-inden-5-yl)-4-oxo-3-prop-2-enyl-2-sulfanylidene-1H-quinazoline-7-carboxamide421590-83-2C21H19N3O2S
- N-[(E)-(1,2-Dimethylindol-3-yl)methylideneamino]naphthalene-2-sulfonamide355418-40-5C21H19N3O2S
- 2-((1-Benzyl-1H-indol-3-yl)thio)-N-(5-methylisoxazol-3-yl)acetamide681273-78-9C21H19N3O2S
- 2-Cyano-2-(4-oxo-3-phenyl-1,3-thiazolidin-2-ylidene)-N-[4-(propan-2-yl)phenyl]acetamide924869-79-4C21H19N3O2S
- N~1~-[4-(5-methoxy-1,2-dimethyl-1H-indol-3-yl)-1,3-thiazol-2-yl]benzamide921153-15-3C21H19N3O2S
- 2-(3-Nitrophenyl)-1-(o-tolyl)-5,6,7,8-tetrahydroquinazoline-4(1H)-thione433689-87-3C21H19N3O2S
- (5Z)-2-(4-Methylphenyl)-5-[(4-propoxyphenyl)methylidene]-[1,3]thiazolo[3,2-b][1,2,4]triazol-6-one380878-15-9C21H19N3O2S
- 3-[2-Oxo-2-(4-phenyl-3,6-dihydro-2H-pyridin-1-yl)ethyl]-2-sulfanylidene-1H-quinazolin-4-one422528-13-0C21H19N3O2S
- 5-[(2-Oxo-2-phenylethyl)sulfanyl]-2-(propan-2-yl)-2H,3H-imidazo[1,2-c]quinazolin-3-one958590-46-0C21H19N3O2S
- 2-Ethoxy-N-(4-{3-methylimidazo[2,1-B][1,3]thiazol-6-YL}phenyl)benzamide893985-44-9C21H19N3O2S
- N-(2,4-Dimethylphenyl)-2-{4-methyl-6-oxo-8-thia-3,5-diazatricyclo[7.4.0.0^{2,7}]trideca-1(13),2(7),3,9,11-pentaen-5-yl}acetamide1040656-87-8C21H19N3O2S
- 4-[(3-Methoxybenzyl)thio]-2-(3-methoxyphenyl)pyrazolo[1,5-a]pyrazine1207056-56-1C21H19N3O2S
- 1-(Indolin-1-yl)-2-((6-(4-methoxyphenyl)pyrimidin-4-yl)thio)ethanone1203257-24-2C21H19N3O2S
- 9-(1,2,3,4-Tetrahydroisoquinoline-2-carbonyl)-3,4-dihydro-[1,3]thiazino[2,3-b]quinazolin-6(2H)-one1251625-84-9C21H19N3O2S
- 11-(2-Phenyl-1,3-thiazole-4-carbonyl)-7,11-diazatricyclo[7.3.1.0^{2,7}]trideca-2,4-dien-6-one1251614-74-0C21H19N3O2S
- 5-Amino-1-benzyl-4-[4-(4-methoxyphenyl)-1,3-thiazol-2-yl]-1,2-dihydro-3H-pyrrol-3-one459128-13-3C21H19N3O2S
- 5-Amino-4-(4,5-dimethyl-1,3-thiazol-2-yl)-1-(4-phenoxyphenyl)-1,2-dihydro-3H-pyrrol-3-one951987-43-2C21H19N3O2S
- 2-((3-Cyano-6-oxo-4-(p-tolyl)-1,4,5,6-tetrahydropyridin-2-yl)thio)-N-phenylacetamide2212541-00-7C21H19N3O2S
- 1-(3-Methylphenyl)-2-(3-nitrophenyl)-5,6,7,8-tetrahydroquinazoline-4-thione620543-79-5C21H19N3O2S
- 2-((7-Methyl-2-(p-tolyl)-5H-chromeno[2,3-d]pyrimidin-4-yl)thio)acetamide866729-88-6C21H19N3O2S
- 4-Methyl-N-(3-(7-methylimidazo[1,2-a]pyridin-2-yl)phenyl)benzenesulfonamide865612-40-4C21H19N3O2S
- 2-(Benzofuro[3,2-d]pyrimidin-4-ylthio)-N-mesitylacetamide851130-42-2C21H19N3O2S
- 1-(4-Anilinophenyl)-3-(1,3-benzodioxol-5-ylmethyl)thiourea516457-40-2C21H19N3O2S
- 2,5-Pyrrolidinedione, 3,3-diphenyl-1-(5-propyl-1,3,4-thiadiazol-2-yl)-139477-40-0C21H19N3O2S
- Acetic acid, ((1,1'-biphenyl)-4-yloxy)-, 2-((phenylamino)thioxomethyl)hydrazide126006-75-5C21H19N3O2S
- N-(3,5-Dimethoxyphenyl)-5-(4-methylphenyl)thieno[2,3-d]pyrimidin-4-amine726160-21-0C21H19N3O2S
- (2E)-2-[4-(4-Ethoxyphenyl)-1,3-thiazol-2-yl]-3-[(2-methoxyphenyl)amino]prop-2-enenitrile476675-74-8C21H19N3O2S
- (Z)-N-(6-Acetamido-3-allylbenzo[d]thiazol-2(3H)-ylidene)cinnamamide865180-50-3C21H19N3O2S
- 7-Ethoxy-5-(pyridin-3-yl)-2-(thiophen-2-yl)-5,10b-dihydro-1H-benzo[e]pyrazolo[1,5-c][1,3]oxazine899746-94-2C21H19N3O2S
- N-((8-Methylimidazo[1,2-a]pyridin-2-yl)methyl)-[1,1'-biphenyl]-4-sulfonamide868972-59-2C21H19N3O2S
- 2-(4-Methoxyphenyl)-4-{[(3-methoxyphenyl)methyl]sulfanyl}pyrazolo[1,5-A]pyrazine1040632-34-5C21H19N3O2S
Frequently asked questions
What is the molar mass of C21H19N3O2S?
The molar mass of C21H19N3O2S is 377.46 g/mol, calculated from standard atomic weights for 21 carbon atoms, 19 hydrogen atoms, 3 nitrogen atoms, 2 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 377.1198 Da.
How many compounds have the formula C21H19N3O2S?
CompoundList lists 189 compounds with the molecular formula C21H19N3O2S, including 4-(3,5-Diphenyl-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonamide, N-(4-Ethoxyphenyl)-3-methyl-1-phenyl-1H-thieno[2,3-c]pyrazole-5-carboxamide, Cbipes. 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 C21H19N3O2S?
C21H19N3O2S has a degree of unsaturation of 14. 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.