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Molecular formula

C21H20N2OS2

22 compounds have this formula on CompoundList.

Molar mass
380.52g/mol
Monoisotopic mass
380.1017Da
Atoms
46
Elements
5
Rings plus double bonds
13

The formula C21H20N2OS2 describes a molecule made of 21 carbon atoms, 20 hydrogen atoms, 2 nitrogen atoms, 1 oxygen atom 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 × 2166.29%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 205.30%
    1.008 × 20 = 20.160 g/mol
  • N Nitrogen × 27.36%
    14.007 × 2 = 28.014 g/mol
  • O Oxygen × 14.20%
    15.999 × 1 = 15.999 g/mol
  • S Sulfur × 216.85%
    32.06 × 2 = 64.120 g/mol
Look up another formula

Compounds with the formula C21H20N2OS2

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

Showing 1 to 22 of 22 compounds

3-Ethyl-5,6-dimethyl-2-((1-naphthylmethyl)thio)thieno(2,3-D)pyrimidin-4(3H)-one chemical structure, C21H20N2OS2, CAS 618427-79-5
3-Ethyl-5,6-dimethyl-2-((1-naphthylmethyl)thio)thieno(2,3-D)pyrimidin-4(3H)-one
CAS 618427-79-5C21H20N2OS2
2-((1-Phenylethyl)thio)-3-(p-tolyl)-6,7-dihydrothieno[3,2-d]pyrimidin-4(3H)-one chemical structure, C21H20N2OS2, CAS 686771-71-1
2-((1-Phenylethyl)thio)-3-(p-tolyl)-6,7-dihydrothieno[3,2-d]pyrimidin-4(3H)-one
CAS 686771-71-1C21H20N2OS2
1-(Indolin-1-yl)-2-(2-((4-methylbenzyl)thio)thiazol-4-yl)ethanone chemical structure, C21H20N2OS2, CAS 941923-11-1
1-(Indolin-1-yl)-2-(2-((4-methylbenzyl)thio)thiazol-4-yl)ethanone
CAS 941923-11-1C21H20N2OS2
5-Acetyl-4,4-dimethyl-2-(4-methylphenyl)-4,5-dihydroisothiazolo[5,4-c]quinoline-1(2H)-thione chemical structure, C21H20N2OS2, CAS 327170-79-6
5-Acetyl-4,4-dimethyl-2-(4-methylphenyl)-4,5-dihydroisothiazolo[5,4-c]quinoline-1(2H)-thione
CAS 327170-79-6C21H20N2OS2
2-(Benzothiazol-2-ylsulfanyl)-1-(2,2,4-trimethyl-2H-quinolin-1-yl)-ethanone chemical structure, C21H20N2OS2, CAS 298204-17-8
2-(Benzothiazol-2-ylsulfanyl)-1-(2,2,4-trimethyl-2H-quinolin-1-yl)-ethanone
CAS 298204-17-8C21H20N2OS2
N-[3-Cyano-4-(2,5-dimethylphenyl)thiophen-2-yl]-4-ethyl-5-methylthiophene-3-carboxamide chemical structure, C21H20N2OS2, CAS 438227-36-2
N-[3-Cyano-4-(2,5-dimethylphenyl)thiophen-2-yl]-4-ethyl-5-methylthiophene-3-carboxamide
CAS 438227-36-2C21H20N2OS2
2-[[2-(3-Methylphenyl)-5,6,7,8-tetrahydroquinazolin-4-yl]sulfanyl]-1-thiophen-2-ylethanone chemical structure, C21H20N2OS2, CAS 865591-66-8
2-[[2-(3-Methylphenyl)-5,6,7,8-tetrahydroquinazolin-4-yl]sulfanyl]-1-thiophen-2-ylethanone
CAS 865591-66-8C21H20N2OS2
2-[(2,5-Dimethylphenyl)methylsulfanyl]-3-phenyl-6,7-dihydrothieno[3,2-d]pyrimidin-4-one chemical structure, C21H20N2OS2, CAS 686770-90-1
2-[(2,5-Dimethylphenyl)methylsulfanyl]-3-phenyl-6,7-dihydrothieno[3,2-d]pyrimidin-4-one
CAS 686770-90-1C21H20N2OS2
2-((2-Methylbenzyl)thio)-3-(p-tolyl)-6,7-dihydrothieno[3,2-d]pyrimidin-4(3H)-one chemical structure, C21H20N2OS2, CAS 686771-72-2
2-((2-Methylbenzyl)thio)-3-(p-tolyl)-6,7-dihydrothieno[3,2-d]pyrimidin-4(3H)-one
CAS 686771-72-2C21H20N2OS2
2-((3-Methylbenzyl)thio)-3-(p-tolyl)-6,7-dihydrothieno[3,2-d]pyrimidin-4(3H)-one chemical structure, C21H20N2OS2, CAS 686771-74-4
2-((3-Methylbenzyl)thio)-3-(p-tolyl)-6,7-dihydrothieno[3,2-d]pyrimidin-4(3H)-one
CAS 686771-74-4C21H20N2OS2
3-(4-Methylphenyl)-2-[(4-methylphenyl)methylsulfanyl]-6,7-dihydrothieno[3,2-d]pyrimidin-4-one chemical structure, C21H20N2OS2, CAS 686771-76-6
3-(4-Methylphenyl)-2-[(4-methylphenyl)methylsulfanyl]-6,7-dihydrothieno[3,2-d]pyrimidin-4-one
CAS 686771-76-6C21H20N2OS2
3-Benzyl-2-[(2-methylphenyl)methylsulfanyl]-6,7-dihydrothieno[3,2-d]pyrimidin-4-one chemical structure, C21H20N2OS2, CAS 877618-91-2
3-Benzyl-2-[(2-methylphenyl)methylsulfanyl]-6,7-dihydrothieno[3,2-d]pyrimidin-4-one
CAS 877618-91-2C21H20N2OS2
3-Benzyl-2-[(3-methylphenyl)methylsulfanyl]-6,7-dihydrothieno[3,2-d]pyrimidin-4-one chemical structure, C21H20N2OS2, CAS 877618-95-6
3-Benzyl-2-[(3-methylphenyl)methylsulfanyl]-6,7-dihydrothieno[3,2-d]pyrimidin-4-one
CAS 877618-95-6C21H20N2OS2
3-Benzyl-2-[(4-methylphenyl)methylsulfanyl]-6,7-dihydrothieno[3,2-d]pyrimidin-4-one chemical structure, C21H20N2OS2, CAS 877618-98-9
3-Benzyl-2-[(4-methylphenyl)methylsulfanyl]-6,7-dihydrothieno[3,2-d]pyrimidin-4-one
CAS 877618-98-9C21H20N2OS2
2-(Benzylthio)-3-phenethyl-6,7-dihydrothieno[3,2-d]pyrimidin-4(3H)-one chemical structure, C21H20N2OS2, CAS 877652-77-2
2-(Benzylthio)-3-phenethyl-6,7-dihydrothieno[3,2-d]pyrimidin-4(3H)-one
CAS 877652-77-2C21H20N2OS2
2-Benzylsulfanyl-3-(3,5-dimethylphenyl)-6,7-dihydrothieno[3,2-d]pyrimidin-4-one chemical structure, C21H20N2OS2, CAS 877653-96-8
2-Benzylsulfanyl-3-(3,5-dimethylphenyl)-6,7-dihydrothieno[3,2-d]pyrimidin-4-one
CAS 877653-96-8C21H20N2OS2
4-(Methylthio)-N-(4-(5,6,7,8-tetrahydronaphthalen-2-yl)thiazol-2-yl)benzamide chemical structure, C21H20N2OS2, CAS 922665-66-5
4-(Methylthio)-N-(4-(5,6,7,8-tetrahydronaphthalen-2-yl)thiazol-2-yl)benzamide
CAS 922665-66-5C21H20N2OS2
N-(4,5-Dihydrobenzo[e][1,3]benzothiazol-2-yl)-4-phenylsulfanylbutanamide chemical structure, C21H20N2OS2, CAS 922994-25-0
N-(4,5-Dihydrobenzo[e][1,3]benzothiazol-2-yl)-4-phenylsulfanylbutanamide
CAS 922994-25-0C21H20N2OS2
N-(8H-Indeno[1,2-d]thiazol-2-yl)-4-(p-tolylthio)butanamide chemical structure, C21H20N2OS2, CAS 922906-46-5
N-(8H-Indeno[1,2-d]thiazol-2-yl)-4-(p-tolylthio)butanamide
CAS 922906-46-5C21H20N2OS2
N-(4,5-Dihydronaphtho[1,2-d]thiazol-2-yl)-2-(4-(ethylthio)phenyl)acetamide chemical structure, C21H20N2OS2, CAS 919864-88-3
N-(4,5-Dihydronaphtho[1,2-d]thiazol-2-yl)-2-(4-(ethylthio)phenyl)acetamide
CAS 919864-88-3C21H20N2OS2
4-(Benzylthio)-N-(8H-indeno[1,2-d]thiazol-2-yl)butanamide chemical structure, C21H20N2OS2, CAS 923363-61-5
4-(Benzylthio)-N-(8H-indeno[1,2-d]thiazol-2-yl)butanamide
CAS 923363-61-5C21H20N2OS2
(7-Phenyl-1,4-thiazepan-4-yl)(2-phenylthiazol-4-yl)methanone chemical structure, C21H20N2OS2, CAS 1797906-42-3
(7-Phenyl-1,4-thiazepan-4-yl)(2-phenylthiazol-4-yl)methanone
CAS 1797906-42-3C21H20N2OS2

Frequently asked questions

What is the molar mass of C21H20N2OS2?

The molar mass of C21H20N2OS2 is 380.52 g/mol, calculated from standard atomic weights for 21 carbon atoms, 20 hydrogen atoms, 2 nitrogen atoms, 1 oxygen atom and 2 sulfur atoms. The monoisotopic mass is 380.1017 Da.

How many compounds have the formula C21H20N2OS2?

CompoundList lists 22 compounds with the molecular formula C21H20N2OS2, including 3-Ethyl-5,6-dimethyl-2-((1-naphthylmethyl)thio)thieno(2,3-D)pyrimidin-4(3H)-one, 2-((1-Phenylethyl)thio)-3-(p-tolyl)-6,7-dihydrothieno[3,2-d]pyrimidin-4(3H)-one, 1-(Indolin-1-yl)-2-(2-((4-methylbenzyl)thio)thiazol-4-yl)ethanone. 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 C21H20N2OS2?

C21H20N2OS2 has a degree of unsaturation of 13. 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.