CompoundList
Molecular formula

C21H16N2OS

57 compounds have this formula on CompoundList.

Molar mass
344.43g/mol
Monoisotopic mass
344.0983Da
Atoms
41
Elements
5
Rings plus double bonds
15

The formula C21H16N2OS describes a molecule made of 21 carbon atoms, 16 hydrogen atoms, 2 nitrogen atoms, 1 oxygen atom 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 × 2173.23%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 164.68%
    1.008 × 16 = 16.128 g/mol
  • N Nitrogen × 28.13%
    14.007 × 2 = 28.014 g/mol
  • O Oxygen × 14.65%
    15.999 × 1 = 15.999 g/mol
  • S Sulfur × 19.31%
    32.06 × 1 = 32.060 g/mol
Look up another formula

Compounds with the formula C21H16N2OS

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

Showing 1 to 57 of 57 compounds

2-Benzylsulfanyl-3-phenylquinazolin-4-one chemical structure, C21H16N2OS, CAS 83671-73-2
2-Benzylsulfanyl-3-phenylquinazolin-4-one
CAS 83671-73-2C21H16N2OS
Alpha-(4-(6-methyl-2-benzothiazolyl)phenylimino)-O-cresol chemical structure, C21H16N2OS, CAS 82654-96-4
Alpha-(4-(6-methyl-2-benzothiazolyl)phenylimino)-O-cresol
CAS 82654-96-4C21H16N2OS
2-[(2,2-Diphenylacetyl)amino]-benzothiazole chemical structure, C21H16N2OS, CAS 303195-00-8
2-[(2,2-Diphenylacetyl)amino]-benzothiazole
CAS 303195-00-8C21H16N2OS
2-(1H-Benzimidazol-2-ylsulfanyl)-1,2-diphenylethanone chemical structure, C21H16N2OS, CAS 22903-44-2
2-(1H-Benzimidazol-2-ylsulfanyl)-1,2-diphenylethanone
CAS 22903-44-2C21H16N2OS
3,5,5-Triphenyl-2-thioxo-4-imidazolidinone chemical structure, C21H16N2OS, CAS 52460-98-7
3,5,5-Triphenyl-2-thioxo-4-imidazolidinone
CAS 52460-98-7C21H16N2OS
N-(3-Cyano-5,6-dihydro-4H-cyclopenta[b]thiophen-2-yl)-4-phenylbenzamide chemical structure, C21H16N2OS, CAS 312604-54-9
N-(3-Cyano-5,6-dihydro-4H-cyclopenta[b]thiophen-2-yl)-4-phenylbenzamide
CAS 312604-54-9C21H16N2OS
N-[3-(1,3-Benzothiazol-2-yl)phenyl]-3-methylbenzamide chemical structure, C21H16N2OS, CAS 312922-44-4
N-[3-(1,3-Benzothiazol-2-yl)phenyl]-3-methylbenzamide
CAS 312922-44-4C21H16N2OS
N-[3-(Naphthalen-1-yl)-4-phenyl-2,3-dihydro-1,3-thiazol-2-ylidene]acetamide chemical structure, C21H16N2OS, CAS 402945-67-9
N-[3-(Naphthalen-1-yl)-4-phenyl-2,3-dihydro-1,3-thiazol-2-ylidene]acetamide
CAS 402945-67-9C21H16N2OS
N-(1,3-Benzothiazol-6-yl)-2,2-diphenylacetamide chemical structure, C21H16N2OS, CAS 670268-55-0
N-(1,3-Benzothiazol-6-yl)-2,2-diphenylacetamide
CAS 670268-55-0C21H16N2OS
N-(6-Methyl-1,3-benzothiazol-2-yl)-4-phenylbenzamide chemical structure, C21H16N2OS, CAS 300569-34-0
N-(6-Methyl-1,3-benzothiazol-2-yl)-4-phenylbenzamide
CAS 300569-34-0C21H16N2OS
2-(1H-Benzimidazol-2-ylsulfanyl)-1-(biphenyl-4-yl)ethanone chemical structure, C21H16N2OS, CAS 22794-88-3
2-(1H-Benzimidazol-2-ylsulfanyl)-1-(biphenyl-4-yl)ethanone
CAS 22794-88-3C21H16N2OS
4-Methyl-N-naphthalen-1-yl-2-phenyl-1,3-thiazole-5-carboxamide chemical structure, C21H16N2OS, CAS 397284-69-4
4-Methyl-N-naphthalen-1-yl-2-phenyl-1,3-thiazole-5-carboxamide
CAS 397284-69-4C21H16N2OS
N-Naphthalen-1-yl-2-quinolin-8-ylsulfanylacetamide chemical structure, C21H16N2OS, CAS 341501-66-4
N-Naphthalen-1-yl-2-quinolin-8-ylsulfanylacetamide
CAS 341501-66-4C21H16N2OS
N-(3-Methylphenyl)-2-thiophen-2-ylquinoline-4-carboxamide chemical structure, C21H16N2OS, CAS 362481-31-0
N-(3-Methylphenyl)-2-thiophen-2-ylquinoline-4-carboxamide
CAS 362481-31-0C21H16N2OS
2,3-Dihydro-1H-indol-1-yl(10H-phenothiazin-10-yl)methanone chemical structure, C21H16N2OS, CAS 372497-74-0
2,3-Dihydro-1H-indol-1-yl(10H-phenothiazin-10-yl)methanone
CAS 372497-74-0C21H16N2OS
N-[3-(1,3-Benzothiazol-2-yl)phenyl]-4-methylbenzamide chemical structure, C21H16N2OS, CAS 313535-64-7
N-[3-(1,3-Benzothiazol-2-yl)phenyl]-4-methylbenzamide
CAS 313535-64-7C21H16N2OS
N-Benzyl-2-thiophen-2-ylquinoline-4-carboxamide chemical structure, C21H16N2OS, CAS 380643-39-0
N-Benzyl-2-thiophen-2-ylquinoline-4-carboxamide
CAS 380643-39-0C21H16N2OS
N-[5-Cyano-2-(phenylsulfanyl)phenyl]-4-methylbenzenecarboxamide chemical structure, C21H16N2OS, CAS 337923-97-4
N-[5-Cyano-2-(phenylsulfanyl)phenyl]-4-methylbenzenecarboxamide
CAS 337923-97-4C21H16N2OS
N-[2-(1,3-Benzothiazol-2-yl)phenyl]-2-phenylacetamide chemical structure, C21H16N2OS, CAS 313276-96-9
N-[2-(1,3-Benzothiazol-2-yl)phenyl]-2-phenylacetamide
CAS 313276-96-9C21H16N2OS
Benzamide, 2-methyl-N-[4-(2-naphthyl)-2-thiazolyl]- chemical structure, C21H16N2OS, CAS 313549-65-4
Benzamide, 2-methyl-N-[4-(2-naphthyl)-2-thiazolyl]-
CAS 313549-65-4C21H16N2OS
N-[2-(1,3-Benzothiazol-2-yl)phenyl]-4-methylbenzamide chemical structure, C21H16N2OS, CAS 313959-44-3
N-[2-(1,3-Benzothiazol-2-yl)phenyl]-4-methylbenzamide
CAS 313959-44-3C21H16N2OS
4-Methyl-N-{5-thia-3-azatetracyclo[6.6.1.0^{2,6}.0^{11,15}]pentadeca-1(15),2(6),3,7,11,13-hexaen-4-yl}benzamide chemical structure, C21H16N2OS, CAS 477325-63-6
4-Methyl-N-{5-thia-3-azatetracyclo[6.6.1.0^{2,6}.0^{11,15}]pentadeca-1(15),2(6),3,7,11,13-hexaen-4-yl}benzamide
CAS 477325-63-6C21H16N2OS
N-[2-(1,3-Benzothiazol-2-yl)phenyl]-2-methylbenzamide chemical structure, C21H16N2OS, CAS 303796-72-7
N-[2-(1,3-Benzothiazol-2-yl)phenyl]-2-methylbenzamide
CAS 303796-72-7C21H16N2OS
Pyridine, 3-(4-(4-methoxyphenyl)-2-phenyl-5-thiazolyl)- chemical structure, C21H16N2OS, CAS 97422-33-8
Pyridine, 3-(4-(4-methoxyphenyl)-2-phenyl-5-thiazolyl)-
CAS 97422-33-8C21H16N2OS

Frequently asked questions

What is the molar mass of C21H16N2OS?

The molar mass of C21H16N2OS is 344.43 g/mol, calculated from standard atomic weights for 21 carbon atoms, 16 hydrogen atoms, 2 nitrogen atoms, 1 oxygen atom and 1 sulfur atom. The monoisotopic mass is 344.0983 Da.

How many compounds have the formula C21H16N2OS?

CompoundList lists 57 compounds with the molecular formula C21H16N2OS, including 2-Benzylsulfanyl-3-phenylquinazolin-4-one, Alpha-(4-(6-methyl-2-benzothiazolyl)phenylimino)-O-cresol, 2-[(2,2-Diphenylacetyl)amino]-benzothiazole. 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 C21H16N2OS?

C21H16N2OS has a degree of unsaturation of 15. 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.