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Molecular formula

C21H15N3OS2

18 compounds have this formula on CompoundList.

Molar mass
389.49g/mol
Monoisotopic mass
389.0657Da
Atoms
42
Elements
5
Rings plus double bonds
16

The formula C21H15N3OS2 describes a molecule made of 21 carbon atoms, 15 hydrogen atoms, 3 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 × 2164.76%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 153.88%
    1.008 × 15 = 15.120 g/mol
  • N Nitrogen × 310.79%
    14.007 × 3 = 42.021 g/mol
  • O Oxygen × 14.11%
    15.999 × 1 = 15.999 g/mol
  • S Sulfur × 216.46%
    32.06 × 2 = 64.120 g/mol
Look up another formula

Compounds with the formula C21H15N3OS2

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

Showing 1 to 18 of 18 compounds

2-(1H-Benzoimidazol-2-ylsulfanyl)-1-phenothiazin-10-yl-ethanone chemical structure, C21H15N3OS2, CAS 330555-52-7
2-(1H-Benzoimidazol-2-ylsulfanyl)-1-phenothiazin-10-yl-ethanone
CAS 330555-52-7C21H15N3OS2
N-{2-Cyano-5-[(cyanomethyl)sulfanyl]-4-phenyl-3-thienyl}-2-phenylacetamide chemical structure, C21H15N3OS2, CAS 860609-98-9
N-{2-Cyano-5-[(cyanomethyl)sulfanyl]-4-phenyl-3-thienyl}-2-phenylacetamide
CAS 860609-98-9C21H15N3OS2
N-{2-Cyano-5-[(cyanomethyl)sulfanyl]-4-phenyl-3-thienyl}-4-methylbenzenecarboxamide chemical structure, C21H15N3OS2, CAS 860609-94-5
N-{2-Cyano-5-[(cyanomethyl)sulfanyl]-4-phenyl-3-thienyl}-4-methylbenzenecarboxamide
CAS 860609-94-5C21H15N3OS2
N-(7-Methyl-[1,3]thiazolo[5,4-e][1,3]benzothiazol-2-yl)-2-naphthalen-1-ylacetamide chemical structure, C21H15N3OS2, CAS 394227-73-7
N-(7-Methyl-[1,3]thiazolo[5,4-e][1,3]benzothiazol-2-yl)-2-naphthalen-1-ylacetamide
CAS 394227-73-7C21H15N3OS2
13,14-Dimethyl-8-(phenylsulfanyl)-15-thia-9,10,17-triazatetracyclo[8.7.0.0^{2,7}.0^{12,16}]heptadeca-1(17),2(7),3,5,8,12(16),13-heptaen-11-one chemical structure, C21H15N3OS2, CAS 379244-75-4
13,14-Dimethyl-8-(phenylsulfanyl)-15-thia-9,10,17-triazatetracyclo[8.7.0.0^{2,7}.0^{12,16}]heptadeca-1(17),2(7),3,5,8,12(16),13-heptaen-11-one
CAS 379244-75-4C21H15N3OS2
2-[(5,6-Diphenyl-1,2,4-triazin-3-yl)sulfanyl]-1-(thiophen-2-yl)ethan-1-one chemical structure, C21H15N3OS2, CAS 721886-86-8
2-[(5,6-Diphenyl-1,2,4-triazin-3-yl)sulfanyl]-1-(thiophen-2-yl)ethan-1-one
CAS 721886-86-8C21H15N3OS2
N-(3-Cyano-4,5-dimethyl-2-thienyl)-2-(2-thienyl)-4-quinolinecarboxamide chemical structure, C21H15N3OS2, CAS 354548-49-5
N-(3-Cyano-4,5-dimethyl-2-thienyl)-2-(2-thienyl)-4-quinolinecarboxamide
CAS 354548-49-5C21H15N3OS2
2-{5-[(4-Methylbenzyl)sulfanyl]-1,3,4-oxadiazol-2-yl}thieno[2,3-b]quinoline chemical structure, C21H15N3OS2, CAS 692737-19-2
2-{5-[(4-Methylbenzyl)sulfanyl]-1,3,4-oxadiazol-2-yl}thieno[2,3-b]quinoline
CAS 692737-19-2C21H15N3OS2
2(3H)-Benzothiazolethione, 3-(((4-(2-benzoxazoyl)phenyl)amino)methyl)- chemical structure, C21H15N3OS2, CAS 100476-58-2
2(3H)-Benzothiazolethione, 3-(((4-(2-benzoxazoyl)phenyl)amino)methyl)-
CAS 100476-58-2C21H15N3OS2
1-Phenothiazin-10-yl-2-(2-sulfanylbenzimidazolyl)ethan-1-one chemical structure, C21H15N3OS2, CAS 879626-45-6
1-Phenothiazin-10-yl-2-(2-sulfanylbenzimidazolyl)ethan-1-one
CAS 879626-45-6C21H15N3OS2
N-[(4-Phenyl-1,3-thiazol-2-yl)carbamothioyl]naphthalene-1-carboxamide chemical structure, C21H15N3OS2, CAS 428832-50-2
N-[(4-Phenyl-1,3-thiazol-2-yl)carbamothioyl]naphthalene-1-carboxamide
CAS 428832-50-2C21H15N3OS2
N-[[4-(1,3-Benzothiazol-2-yl)phenyl]carbamothioyl]benzamide chemical structure, C21H15N3OS2, CAS 425653-52-7
N-[[4-(1,3-Benzothiazol-2-yl)phenyl]carbamothioyl]benzamide
CAS 425653-52-7C21H15N3OS2
(E)-N-(3-Ethylnaphtho[2,1-d]thiazol-2(3H)-ylidene)benzo[d]thiazole-2-carboxamide chemical structure, C21H15N3OS2, CAS 865545-45-5
(E)-N-(3-Ethylnaphtho[2,1-d]thiazol-2(3H)-ylidene)benzo[d]thiazole-2-carboxamide
CAS 865545-45-5C21H15N3OS2
(E)-N-(3-Ethylnaphtho[2,1-d]thiazol-2(3H)-ylidene)benzo[d]thiazole-6-carboxamide chemical structure, C21H15N3OS2, CAS 865545-47-7
(E)-N-(3-Ethylnaphtho[2,1-d]thiazol-2(3H)-ylidene)benzo[d]thiazole-6-carboxamide
CAS 865545-47-7C21H15N3OS2
N-(3-(Benzo[d]thiazol-2-yl)-4,5-dimethylthiophen-2-yl)-4-cyanobenzamide chemical structure, C21H15N3OS2, CAS 886959-16-6
N-(3-(Benzo[d]thiazol-2-yl)-4,5-dimethylthiophen-2-yl)-4-cyanobenzamide
CAS 886959-16-6C21H15N3OS2
2-Methyl-5-(naphthalen-1-ylmethyl)-7-(thiophen-2-yl)thiazolo[4,5-d]pyridazin-4(5H)-one chemical structure, C21H15N3OS2, CAS 941880-80-4
2-Methyl-5-(naphthalen-1-ylmethyl)-7-(thiophen-2-yl)thiazolo[4,5-d]pyridazin-4(5H)-one
CAS 941880-80-4C21H15N3OS2
N-[(4-Naphthalen-2-yl-1,3-thiazol-2-yl)carbamothioyl]benzamide chemical structure, C21H15N3OS2, CAS 130133-68-5
N-[(4-Naphthalen-2-yl-1,3-thiazol-2-yl)carbamothioyl]benzamide
CAS 130133-68-5C21H15N3OS2
N-[[3-(1,3-Benzothiazol-2-yl)phenyl]carbamothioyl]benzamide chemical structure, C21H15N3OS2, CAS 347339-69-9
N-[[3-(1,3-Benzothiazol-2-yl)phenyl]carbamothioyl]benzamide
CAS 347339-69-9C21H15N3OS2

Frequently asked questions

What is the molar mass of C21H15N3OS2?

The molar mass of C21H15N3OS2 is 389.49 g/mol, calculated from standard atomic weights for 21 carbon atoms, 15 hydrogen atoms, 3 nitrogen atoms, 1 oxygen atom and 2 sulfur atoms. The monoisotopic mass is 389.0657 Da.

How many compounds have the formula C21H15N3OS2?

CompoundList lists 18 compounds with the molecular formula C21H15N3OS2, including 2-(1H-Benzoimidazol-2-ylsulfanyl)-1-phenothiazin-10-yl-ethanone, N-{2-Cyano-5-[(cyanomethyl)sulfanyl]-4-phenyl-3-thienyl}-2-phenylacetamide, N-{2-Cyano-5-[(cyanomethyl)sulfanyl]-4-phenyl-3-thienyl}-4-methylbenzenecarboxamide. 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 C21H15N3OS2?

C21H15N3OS2 has a degree of unsaturation of 16. 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.