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 101 to 189 of 189 compounds

$2-{6-Oxo-8-thia-3,5-diazatricyclo[7.4.0.0^{2,7}]trideca-1(13),2(7),3,9,11-pentaen-5-yl}-N-[4-(propan-2-yl)phenyl]acetamide chemical structure, C21H19N3O2S, CAS 1021256-76-7$

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-[4-(propan-2-yl)phenyl]acetamide

CAS 1021256-76-7C₂₁H₁₉N₃O₂S

2-Methyl-N-[(2Z)-4-methyl-1,3-thiazol-2(3H)-ylidene]-1-oxo-3-phenyl-1,2,3,4-tetrahydroisoquinoline-4-carboxamide

CAS 1190245-32-9C₂₁H₁₉N₃O₂S

(3,5-Dimethyl-1H-pyrazol-1-yl)[4-(4-methoxyphenyl)-3-(1H-pyrrol-1-yl)thiophen-2-yl]methanone

CAS 1207004-61-2C₂₁H₁₉N₃O₂S

1-Ethyl-6-methyl-3-(3-(4-(methylthio)phenyl)-1,2,4-oxadiazol-5-yl)quinolin-4(1H)-one

CAS 1260733-25-2C₂₁H₁₉N₃O₂S

3-{3-[4-(Methylsulfanyl)phenyl]-1,2,4-oxadiazol-5-yl}-1-propylquinolin-4(1H)-one

CAS 1326806-39-6C₂₁H₁₉N₃O₂S

Tuberculosis inhibitor 6

CAS 121041-08-5C₂₁H₁₉N₃O₂S

3-(4-((Benzo[d]thiazol-2-yloxy)methyl)piperidine-1-carbonyl)benzonitrile

CAS 1797951-52-0C₂₁H₁₉N₃O₂S

N-(2-Hydroxy-2-(1-methyl-1H-indol-3-yl)ethyl)-2-phenylthiazole-4-carboxamide

CAS 2034572-16-0C₂₁H₁₉N₃O₂S

5-Amino-1-(2-methoxybenzyl)-4-(4-phenyl-1,3-thiazol-2-yl)-1,2-dihydro-3H-pyrrol-3-one

CAS 929868-20-2C₂₁H₁₉N₃O₂S

2-(Benzylsulfanyl)-6-[2-(2,3-dihydro-1H-indol-1-yl)-2-oxoethyl]-3,4-dihydropyrimidin-4-one

CAS 1171715-36-8C₂₁H₁₉N₃O₂S

3-Amino-N-[(4-methoxyphenyl)methyl]-7-methylthieno[2,3-b]quinoline-2-carboxamide

CAS 409351-30-0C₂₁H₁₉N₃O₂S

(E)-2-(4-(3,4-Dimethoxyphenyl)thiazol-2-yl)-3-(m-tolylamino)acrylonitrile

CAS 1321988-23-1C₂₁H₁₉N₃O₂S

(E)-3-((4-Ethoxyphenyl)amino)-2-(4-(3-methoxyphenyl)thiazol-2-yl)acrylonitrile

CAS 374617-26-2C₂₁H₁₉N₃O₂S

(E)-3-((3,4-Dimethoxyphenyl)amino)-2-(4-(p-tolyl)thiazol-2-yl)acrylonitrile

CAS 377051-57-5C₂₁H₁₉N₃O₂S

N-(4-Ethylphenyl)-2-[(2-methyl-[1]benzofuro[3,2-d]pyrimidin-4-yl)sulfanyl]acetamide

CAS 845985-75-3C₂₁H₁₉N₃O₂S

2-{[9-Methyl-2-(4-methylphenyl)-5H-chromeno[2,3-D]pyrimidin-4-yl]sulfanyl}acetamide

CAS 866726-60-5C₂₁H₁₉N₃O₂S

N-[4-(4-Methylphenyl)-1,3-thiazol-2-yl]-5-oxo-1-phenylpyrrolidine-3-carboxamide

CAS 833442-50-5C₂₁H₁₉N₃O₂S

(E)-3-((2-Ethoxyphenyl)amino)-2-(4-(4-methoxyphenyl)thiazol-2-yl)acrylonitrile

CAS 374543-86-9C₂₁H₁₉N₃O₂S

(E)-3-((4-Ethoxyphenyl)amino)-2-(4-(4-methoxyphenyl)thiazol-2-yl)acrylonitrile

CAS 374105-40-5C₂₁H₁₉N₃O₂S

(2E)-2-[4-(3,4-Dimethoxyphenyl)-1,3-thiazol-2-yl]-3-[(2-methylphenyl)amino]prop-2-enenitrile

CAS 450352-83-7C₂₁H₁₉N₃O₂S

(2E)-2-[4-(3,4-Dimethoxyphenyl)-1,3-thiazol-2-yl]-3-[(4-methylphenyl)amino]prop-2-enenitrile

CAS 450353-01-2C₂₁H₁₉N₃O₂S

3-(2,5-Dimethylphenyl)-2-(2-oxopropylsulfanyl)-5H-pyrimido[5,4-b]indol-4-one

CAS 887215-80-7C₂₁H₁₉N₃O₂S

7-(4-Methoxyphenyl)-2-methyl-5-phenethylthiazolo[4,5-d]pyridazin-4(5H)-one

CAS 941942-96-7C₂₁H₁₉N₃O₂S

2-{[(E)-(1-Ethyl-1H-indol-3-yl)methylidene]amino}-N-(furan-2-ylmethyl)thiophene-3-carboxamide

CAS 669738-74-3C₂₁H₁₉N₃O₂S

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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 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-[4-(propan-2-yl)phenyl]acetamide, 2-Methyl-N-[(2Z)-4-methyl-1,3-thiazol-2(3H)-ylidene]-1-oxo-3-phenyl-1,2,3,4-tetrahydroisoquinoline-4-carboxamide, (3,5-Dimethyl-1H-pyrazol-1-yl)[4-(4-methoxyphenyl)-3-(1H-pyrrol-1-yl)thiophen-2-yl]methanone. 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.