Molecular formula

C₂₁H₁₉N₃O₂S₂

47 compounds have this formula on CompoundList.

Molar mass: 409.52g/mol
Monoisotopic mass: 409.0919Da
Atoms: 47
Elements: 5
Rings plus double bonds: 14

The formula C21H19N3O2S2 describes a molecule made of 21 carbon atoms, 19 hydrogen atoms, 3 nitrogen atoms, 2 oxygen atoms and 2 sulfur atoms. 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 × 2161.59%
12.011 × 21 = 252.231 g/mol
H Hydrogen × 194.68%
1.008 × 19 = 19.152 g/mol
N Nitrogen × 310.26%
14.007 × 3 = 42.021 g/mol
O Oxygen × 27.81%
15.999 × 2 = 31.998 g/mol
S Sulfur × 215.66%
32.06 × 2 = 64.120 g/mol

Look up another formula

Compounds with the formula C21H19N3O2S2

Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.

Showing 1 to 47 of 47 compounds

N-(Phenyl((4-toluidinocarbothioyl)amino)methylene)benzenesulfonamide

CAS 201990-00-3C₂₁H₁₉N₃O₂S₂

(5E)-5-[4-(Methylsulfanyl)benzylidene]-2-(4-propoxyphenyl)[1,3]thiazolo[3,2-B][1,2,4]triazol-6(5H)-one

CAS 606962-14-5C₂₁H₁₉N₃O₂S₂

2-((4-Oxo-3-phenyl-3,4,6,7-tetrahydrothieno[3,2-d]pyrimidin-2-yl)thio)-N-(p-tolyl)acetamide

CAS 686770-32-1C₂₁H₁₉N₃O₂S₂

N-Benzyl-2-((4-oxo-3-phenyl-3,4,6,7-tetrahydrothieno[3,2-d]pyrimidin-2-yl)thio)acetamide

CAS 686770-73-0C₂₁H₁₉N₃O₂S₂

2-Phenylsulfanyl-N-[6-[(2-phenylsulfanylacetyl)amino]pyridin-2-yl]acetamide

CAS 690972-14-6C₂₁H₁₉N₃O₂S₂

2-((4-Oxo-3-phenyl-3,4,6,7-tetrahydrothieno[3,2-d]pyrimidin-2-yl)thio)-N-(m-tolyl)acetamide

CAS 686770-34-3C₂₁H₁₉N₃O₂S₂

2-((4-Oxo-3-(p-tolyl)-3,4,6,7-tetrahydrothieno[3,2-d]pyrimidin-2-yl)thio)-N-phenylacetamide

CAS 686771-30-2C₂₁H₁₉N₃O₂S₂

4-Ethyl-N-(1-phenyl-3-(thiophen-2-yl)-1H-pyrazol-5-yl)benzenesulfonamide

CAS 1196723-93-9C₂₁H₁₉N₃O₂S₂

4-((Z)-4-Oxo-5-((E)-3-phenylallylidene)-2-thioxothiazolidin-3-yl)-N-(pyridin-2-yl)butanamide

CAS 637317-70-5C₂₁H₁₉N₃O₂S₂

N-[4-(2,3-Dihydro-1H-indol-1-ylsulfonyl)phenyl]-N'-phenylthiourea

CAS 6151-09-3C₂₁H₁₉N₃O₂S₂

2-(2-((2-Methyl-5,6,7,8-tetrahydrobenzo[4,5]thieno[2,3-d]pyrimidin-4-yl)thio)ethyl)isoindoline-1,3-dione

CAS 303787-60-2C₂₁H₁₉N₃O₂S₂

2-(((Tetrahydro-2H-pyran-2-yl)methyl)thio)-5-(2-(thiophen-2-yl)quinolin-4-yl)-1,3,4-oxadiazole

CAS 870757-54-3C₂₁H₁₉N₃O₂S₂

2-[(3,5-Dimethyl-1,2-oxazol-4-yl)methylsulfanyl]-6-phenyl-3-prop-2-enylthieno[2,3-d]pyrimidin-4-one

CAS 379247-90-2C₂₁H₁₉N₃O₂S₂

$10-{[(3,5-Dimethyl-1,2-oxazol-4-yl)methyl]sulfanyl}-11-phenyl-7-thia-9,11-diazatricyclo[6.4.0.0^{2,6}]dodeca-1(8),2(6),9-trien-12-one chemical structure, C21H19N3O2S2, CAS 307511-86-0$

10-{[(3,5-Dimethyl-1,2-oxazol-4-yl)methyl]sulfanyl}-11-phenyl-7-thia-9,11-diazatricyclo[6.4.0.0^{2,6}]dodeca-1(8),2(6),9-trien-12-one

CAS 307511-86-0C₂₁H₁₉N₃O₂S₂

(Z)-Ethyl 2-((2-cyano-2-(4-phenylthiazol-2-yl)vinyl)amino)-4,5-dimethylthiophene-3-carboxylate

CAS 585552-64-3C₂₁H₁₉N₃O₂S₂

1-[(E)-N-(Benzenesulfonylmethyl)-C-phenylcarbonimidoyl]-3-phenylthiourea

CAS 127722-23-0C₂₁H₁₉N₃O₂S₂

4-((Z)-4-Oxo-5-((E)-3-phenylallylidene)-2-thioxothiazolidin-3-yl)-N-(pyridin-3-yl)butanamide

CAS 682767-69-7C₂₁H₁₉N₃O₂S₂

2-Methylpropyl 4-{[(1E)-2-cyano-2-[4-(thiophen-2-yl)-1,3-thiazol-2-yl]eth-1-en-1-yl]amino}benzoate

CAS 1021251-57-9C₂₁H₁₉N₃O₂S₂

Butyl 4-{[(1E)-2-cyano-2-[4-(thiophen-2-yl)-1,3-thiazol-2-yl]eth-1-en-1-yl]amino}benzoate

CAS 1021251-47-7C₂₁H₁₉N₃O₂S₂

N-(4-(Imidazo[2,1-b]thiazol-6-yl)phenyl)-5,6,7,8-tetrahydronaphthalene-2-sulfonamide

CAS 893982-88-2C₂₁H₁₉N₃O₂S₂

N-(Naphthalen-1-yl)-2-[(3,5,6-trimethyl-4-oxo-3,4-dihydrothieno[2,3-d]pyrimidin-2-yl)sulfanyl]acetamide

CAS 575467-99-1C₂₁H₁₉N₃O₂S₂

3-Benzyl-4-(thiophen-2-ylsulfonyl)-2,3,4,5-tetrahydro-1H-benzo[e][1,4]diazepine-7-carbonitrile

CAS 283596-99-6C₂₁H₁₉N₃O₂S₂

(R)-2,3,4,5-Tetrahydro-3-(phenylmethyl)-4-(2-thienylsulfonyl)-1H-1,4-benzodiazepine-7-carbonitrile

CAS 195985-38-7C₂₁H₁₉N₃O₂S₂

N-(4-(4-Cyanophenyl)thiazol-2-yl)-4-((4-methoxyphenyl)thio)butanamide

CAS 922998-57-0C₂₁H₁₉N₃O₂S₂

Frequently asked questions

Still have a question?

The help centre explains buying, quotes and supplier badges step by step, or you can write to our team.

Help centre Contact us

What is the molar mass of C21H19N3O2S2?

The molar mass of C21H19N3O2S2 is 409.52 g/mol, calculated from standard atomic weights for 21 carbon atoms, 19 hydrogen atoms, 3 nitrogen atoms, 2 oxygen atoms and 2 sulfur atoms. The monoisotopic mass is 409.0919 Da.

How many compounds have the formula C21H19N3O2S2?

CompoundList lists 47 compounds with the molecular formula C21H19N3O2S2, including N-(Phenyl((4-toluidinocarbothioyl)amino)methylene)benzenesulfonamide, (5E)-5-[4-(Methylsulfanyl)benzylidene]-2-(4-propoxyphenyl)[1,3]thiazolo[3,2-B][1,2,4]triazol-6(5H)-one, 2-((4-Oxo-3-phenyl-3,4,6,7-tetrahydrothieno[3,2-d]pyrimidin-2-yl)thio)-N-(p-tolyl)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 C21H19N3O2S2?

C21H19N3O2S2 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.