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Molecular formula

C21H17N3OS2

22 compounds have this formula on CompoundList.

Molar mass
391.51g/mol
Monoisotopic mass
391.0813Da
Atoms
44
Elements
5
Rings plus double bonds
15

The formula C21H17N3OS2 describes a molecule made of 21 carbon atoms, 17 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 × 2164.43%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 174.38%
    1.008 × 17 = 17.136 g/mol
  • N Nitrogen × 310.73%
    14.007 × 3 = 42.021 g/mol
  • O Oxygen × 14.09%
    15.999 × 1 = 15.999 g/mol
  • S Sulfur × 216.38%
    32.06 × 2 = 64.120 g/mol
Look up another formula

Compounds with the formula C21H17N3OS2

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

Showing 1 to 22 of 22 compounds

5-((1,3-Diphenyl-1H-pyrazol-4-yl)methylene)-3-ET-2-thioxo-1,3-thiazolidin-4-one chemical structure, C21H17N3OS2, CAS 371776-40-8
5-((1,3-Diphenyl-1H-pyrazol-4-yl)methylene)-3-ET-2-thioxo-1,3-thiazolidin-4-one
CAS 371776-40-8C21H17N3OS2
2-(Benzylthio)-N-(4-(thiazolo[5,4-b]pyridin-2-yl)phenyl)acetamide chemical structure, C21H17N3OS2, CAS 863588-44-7
2-(Benzylthio)-N-(4-(thiazolo[5,4-b]pyridin-2-yl)phenyl)acetamide
CAS 863588-44-7C21H17N3OS2
(E)-N-(4-Methylbenzo[d]thiazol-2-yl)-N-(pyridin-2-ylmethyl)-3-(thiophen-2-yl)acrylamide chemical structure, C21H17N3OS2, CAS 899735-20-7
(E)-N-(4-Methylbenzo[d]thiazol-2-yl)-N-(pyridin-2-ylmethyl)-3-(thiophen-2-yl)acrylamide
CAS 899735-20-7C21H17N3OS2
2-({6-Methyl-5-phenylthieno[2,3-d]pyrimidin-4-yl}sulfanyl)-N-phenylacetamide chemical structure, C21H17N3OS2, CAS 496024-96-5
2-({6-Methyl-5-phenylthieno[2,3-d]pyrimidin-4-yl}sulfanyl)-N-phenylacetamide
CAS 496024-96-5C21H17N3OS2
N-[5-(Benzylsulfanylmethyl)-1,3,4-thiadiazol-2-yl]naphthalene-1-carboxamide chemical structure, C21H17N3OS2, CAS 380155-49-7
N-[5-(Benzylsulfanylmethyl)-1,3,4-thiadiazol-2-yl]naphthalene-1-carboxamide
CAS 380155-49-7C21H17N3OS2
4-Methyl-N-[4-(2-methyl-1,3-thiazol-4-yl)phenyl]-2-phenyl-1,3-thiazole-5-carboxamide chemical structure, C21H17N3OS2, CAS 364625-70-7
4-Methyl-N-[4-(2-methyl-1,3-thiazol-4-yl)phenyl]-2-phenyl-1,3-thiazole-5-carboxamide
CAS 364625-70-7C21H17N3OS2
5H-Thieno[2',3':5,6][1,3]thiazocino[2,3-a]isoindole-4,11(6aH,13H)-dione 4-(N-phenylhydrazone) chemical structure, C21H17N3OS2, CAS 866008-43-7
5H-Thieno[2',3':5,6][1,3]thiazocino[2,3-a]isoindole-4,11(6aH,13H)-dione 4-(N-phenylhydrazone)
CAS 866008-43-7C21H17N3OS2
N-(2-Methylphenyl)-2-(6-phenylthieno[2,3-d]pyrimidin-4-yl)sulfanylacetamide chemical structure, C21H17N3OS2, CAS 379242-16-7
N-(2-Methylphenyl)-2-(6-phenylthieno[2,3-d]pyrimidin-4-yl)sulfanylacetamide
CAS 379242-16-7C21H17N3OS2
N-[3-(1,3-Benzothiazol-2-yl)-4,5,6,7-tetrahydro-1-benzothiophen-2-yl]pyridine-3-carboxamide chemical structure, C21H17N3OS2, CAS 690646-20-9
N-[3-(1,3-Benzothiazol-2-yl)-4,5,6,7-tetrahydro-1-benzothiophen-2-yl]pyridine-3-carboxamide
CAS 690646-20-9C21H17N3OS2
N-[4-(5,6,7,8-Tetrahydronaphthalen-2-yl)-1,3-thiazol-2-yl]-1,3-benzothiazole-2-carboxamide chemical structure, C21H17N3OS2, CAS 684232-89-1
N-[4-(5,6,7,8-Tetrahydronaphthalen-2-yl)-1,3-thiazol-2-yl]-1,3-benzothiazole-2-carboxamide
CAS 684232-89-1C21H17N3OS2
2-(1,3-Benzothiazol-2-ylsulfanyl)-N-[(Z)-1-naphthalen-2-ylethylideneamino]acetamide chemical structure, C21H17N3OS2, CAS 342030-44-8
2-(1,3-Benzothiazol-2-ylsulfanyl)-N-[(Z)-1-naphthalen-2-ylethylideneamino]acetamide
CAS 342030-44-8C21H17N3OS2
N-[5-[(2-Methylphenyl)methylsulfanyl]-1,3,4-thiadiazol-2-yl]naphthalene-1-carboxamide chemical structure, C21H17N3OS2, CAS 830338-30-2
N-[5-[(2-Methylphenyl)methylsulfanyl]-1,3,4-thiadiazol-2-yl]naphthalene-1-carboxamide
CAS 830338-30-2C21H17N3OS2
1-(Naphthalen-2-yl)-2-{[4-(prop-2-en-1-yl)-5-(thiophen-2-yl)-4H-1,2,4-triazol-3-yl]sulfanyl}ethanone chemical structure, C21H17N3OS2, CAS 573946-65-3
1-(Naphthalen-2-yl)-2-{[4-(prop-2-en-1-yl)-5-(thiophen-2-yl)-4H-1,2,4-triazol-3-yl]sulfanyl}ethanone
CAS 573946-65-3C21H17N3OS2
(E)-N-(4-Methylbenzo[d]thiazol-2-yl)-N-(pyridin-4-ylmethyl)-3-(thiophen-2-yl)acrylamide chemical structure, C21H17N3OS2, CAS 941914-00-7
(E)-N-(4-Methylbenzo[d]thiazol-2-yl)-N-(pyridin-4-ylmethyl)-3-(thiophen-2-yl)acrylamide
CAS 941914-00-7C21H17N3OS2
(E)-6-Methyl-3-(((2-(methylthio)-5-phenylthiazol-4-yl)imino)methyl)quinolin-2(1H)-one chemical structure, C21H17N3OS2, CAS 452089-50-8
(E)-6-Methyl-3-(((2-(methylthio)-5-phenylthiazol-4-yl)imino)methyl)quinolin-2(1H)-one
CAS 452089-50-8C21H17N3OS2
2-[(6-Amino-1,3-benzothiazol-2-yl)sulfanyl]-N-(1,2-dihydroacenaphthylen-5-yl)acetamide chemical structure, C21H17N3OS2, CAS 531535-43-0
2-[(6-Amino-1,3-benzothiazol-2-yl)sulfanyl]-N-(1,2-dihydroacenaphthylen-5-yl)acetamide
CAS 531535-43-0C21H17N3OS2
N-(Benzo[d]thiazol-2-yl)-2-(phenylthio)-N-(pyridin-3-ylmethyl)acetamide chemical structure, C21H17N3OS2, CAS 941951-98-0
N-(Benzo[d]thiazol-2-yl)-2-(phenylthio)-N-(pyridin-3-ylmethyl)acetamide
CAS 941951-98-0C21H17N3OS2
(E)-N-(6-Methylbenzo[d]thiazol-2-yl)-N-(pyridin-3-ylmethyl)-3-(thiophen-2-yl)acrylamide chemical structure, C21H17N3OS2, CAS 895007-61-1
(E)-N-(6-Methylbenzo[d]thiazol-2-yl)-N-(pyridin-3-ylmethyl)-3-(thiophen-2-yl)acrylamide
CAS 895007-61-1C21H17N3OS2
N-(Benzo[d]thiazol-2-yl)-2-(phenylthio)-N-(pyridin-2-ylmethyl)acetamide chemical structure, C21H17N3OS2, CAS 886898-99-3
N-(Benzo[d]thiazol-2-yl)-2-(phenylthio)-N-(pyridin-2-ylmethyl)acetamide
CAS 886898-99-3C21H17N3OS2
(E)-N-(4-Methylbenzo[d]thiazol-2-yl)-N-(pyridin-3-ylmethyl)-3-(thiophen-2-yl)acrylamide chemical structure, C21H17N3OS2, CAS 894999-76-9
(E)-N-(4-Methylbenzo[d]thiazol-2-yl)-N-(pyridin-3-ylmethyl)-3-(thiophen-2-yl)acrylamide
CAS 894999-76-9C21H17N3OS2
(5Z)-3-Methyl-5-{[3-(4-methylphenyl)-1-phenyl-1H-pyrazol-4-yl]methylidene}-2-thioxo-1,3-thiazolidin-4-one chemical structure, C21H17N3OS2, CAS 313272-64-9
(5Z)-3-Methyl-5-{[3-(4-methylphenyl)-1-phenyl-1H-pyrazol-4-yl]methylidene}-2-thioxo-1,3-thiazolidin-4-one
CAS 313272-64-9C21H17N3OS2
N-Benzyl-2-({6-phenylthieno[2,3-d]pyrimidin-4-yl}sulfanyl)acetamide chemical structure, C21H17N3OS2, CAS 457641-26-8
N-Benzyl-2-({6-phenylthieno[2,3-d]pyrimidin-4-yl}sulfanyl)acetamide
CAS 457641-26-8C21H17N3OS2

Frequently asked questions

What is the molar mass of C21H17N3OS2?

The molar mass of C21H17N3OS2 is 391.51 g/mol, calculated from standard atomic weights for 21 carbon atoms, 17 hydrogen atoms, 3 nitrogen atoms, 1 oxygen atom and 2 sulfur atoms. The monoisotopic mass is 391.0813 Da.

How many compounds have the formula C21H17N3OS2?

CompoundList lists 22 compounds with the molecular formula C21H17N3OS2, including 5-((1,3-Diphenyl-1H-pyrazol-4-yl)methylene)-3-ET-2-thioxo-1,3-thiazolidin-4-one, 2-(Benzylthio)-N-(4-(thiazolo[5,4-b]pyridin-2-yl)phenyl)acetamide, (E)-N-(4-Methylbenzo[d]thiazol-2-yl)-N-(pyridin-2-ylmethyl)-3-(thiophen-2-yl)acrylamide. 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 C21H17N3OS2?

C21H17N3OS2 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.