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Molecular formula

C21H17N3O2S

132 compounds have this formula on CompoundList.

Molar mass
375.45g/mol
Monoisotopic mass
380.1355Da
Atoms
44
Elements
5
Rings plus double bonds
15

The formula C21H17N3O2S describes a molecule made of 21 carbon atoms, 17 hydrogen atoms, 3 nitrogen atoms, 2 oxygen atoms 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 × 2167.18%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 174.56%
    1.008 × 17 = 17.136 g/mol
  • N Nitrogen × 311.19%
    14.007 × 3 = 42.021 g/mol
  • O Oxygen × 28.52%
    15.999 × 2 = 31.998 g/mol
  • S Sulfur × 18.54%
    32.06 × 1 = 32.060 g/mol
Look up another formula

Compounds with the formula C21H17N3O2S

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

Showing 101 to 132 of 132 compounds

N-(Benzo[d]thiazol-2-yl)-3-methoxy-N-(pyridin-2-ylmethyl)benzamide chemical structure, C21H17N3O2S, CAS 898350-91-9
N-(Benzo[d]thiazol-2-yl)-3-methoxy-N-(pyridin-2-ylmethyl)benzamide
CAS 898350-91-9C21H17N3O2S
N-(Benzo[d]thiazol-2-yl)-4-methoxy-N-(pyridin-2-ylmethyl)benzamide chemical structure, C21H17N3O2S, CAS 898350-94-2
N-(Benzo[d]thiazol-2-yl)-4-methoxy-N-(pyridin-2-ylmethyl)benzamide
CAS 898350-94-2C21H17N3O2S
N-(Benzo[d]thiazol-2-yl)-2-methoxy-N-(pyridin-2-ylmethyl)benzamide chemical structure, C21H17N3O2S, CAS 886904-18-3
N-(Benzo[d]thiazol-2-yl)-2-methoxy-N-(pyridin-2-ylmethyl)benzamide
CAS 886904-18-3C21H17N3O2S
N-(Benzo[d]thiazol-2-yl)-2-phenoxy-N-(pyridin-2-ylmethyl)acetamide chemical structure, C21H17N3O2S, CAS 886905-15-3
N-(Benzo[d]thiazol-2-yl)-2-phenoxy-N-(pyridin-2-ylmethyl)acetamide
CAS 886905-15-3C21H17N3O2S
N-(6-Methoxybenzo[d]thiazol-2-yl)-N-(pyridin-2-ylmethyl)benzamide chemical structure, C21H17N3O2S, CAS 899735-61-6
N-(6-Methoxybenzo[d]thiazol-2-yl)-N-(pyridin-2-ylmethyl)benzamide
CAS 899735-61-6C21H17N3O2S
N-(2-((6-(Thiophen-2-yl)pyridazin-3-yl)oxy)ethyl)-2-naphthamide chemical structure, C21H17N3O2S, CAS 920170-60-1
N-(2-((6-(Thiophen-2-yl)pyridazin-3-yl)oxy)ethyl)-2-naphthamide
CAS 920170-60-1C21H17N3O2S
(E)-N-(2-(Imidazo[2,1-b]thiazol-6-yl)phenyl)-3-(4-methoxyphenyl)acrylamide chemical structure, C21H17N3O2S, CAS 1799261-30-5
(E)-N-(2-(Imidazo[2,1-b]thiazol-6-yl)phenyl)-3-(4-methoxyphenyl)acrylamide
CAS 1799261-30-5C21H17N3O2S
N-(2-((3-Cyclopropyl-1,2,4-oxadiazol-5-yl)methyl)phenyl)benzo[b]thiophene-2-carboxamide chemical structure, C21H17N3O2S, CAS 1706386-26-6
N-(2-((3-Cyclopropyl-1,2,4-oxadiazol-5-yl)methyl)phenyl)benzo[b]thiophene-2-carboxamide
CAS 1706386-26-6C21H17N3O2S
N-([2,3'-Bipyridin]-5-ylmethyl)naphthalene-1-sulfonamide chemical structure, C21H17N3O2S, CAS 2034210-45-0
N-([2,3'-Bipyridin]-5-ylmethyl)naphthalene-1-sulfonamide
CAS 2034210-45-0C21H17N3O2S
2-[(5-Benzyl-1,3,4-oxadiazol-2-yl)sulfanyl]-N-naphthalen-2-ylacetamide chemical structure, C21H17N3O2S, CAS 693230-74-9
2-[(5-Benzyl-1,3,4-oxadiazol-2-yl)sulfanyl]-N-naphthalen-2-ylacetamide
CAS 693230-74-9C21H17N3O2S
Dihydro-1-methyl-5-[[1-(phenylmethyl)-1H-indol-3-yl]methylene]-2-thioxo-4,6(1H,5H)-pyrimidinedione chemical structure, C21H17N3O2S, CAS 374082-57-2
Dihydro-1-methyl-5-[[1-(phenylmethyl)-1H-indol-3-yl]methylene]-2-thioxo-4,6(1H,5H)-pyrimidinedione
CAS 374082-57-2C21H17N3O2S
(Z)-2-Cyano-N-[5-[(4-methoxyphenyl)methyl]-1,3-thiazol-2-yl]-3-phenylprop-2-enamide chemical structure, C21H17N3O2S, CAS 1322257-43-1
(Z)-2-Cyano-N-[5-[(4-methoxyphenyl)methyl]-1,3-thiazol-2-yl]-3-phenylprop-2-enamide
CAS 1322257-43-1C21H17N3O2S
2-[(5-Benzyl-1,3,4-oxadiazol-2-yl)sulfanyl]-N-naphthalen-1-ylacetamide chemical structure, C21H17N3O2S, CAS 692774-78-0
2-[(5-Benzyl-1,3,4-oxadiazol-2-yl)sulfanyl]-N-naphthalen-1-ylacetamide
CAS 692774-78-0C21H17N3O2S
2-Cyano-N-[4-(4-ethylphenyl)-1,3-thiazol-2-yl]-3-(4-hydroxyphenyl)prop-2-enamide chemical structure, C21H17N3O2S, CAS 852396-73-7
2-Cyano-N-[4-(4-ethylphenyl)-1,3-thiazol-2-yl]-3-(4-hydroxyphenyl)prop-2-enamide
CAS 852396-73-7C21H17N3O2S
4-Methoxy-N-(2-methyl-3-(thiazolo[5,4-b]pyridin-2-yl)phenyl)benzamide chemical structure, C21H17N3O2S, CAS 863593-22-0
4-Methoxy-N-(2-methyl-3-(thiazolo[5,4-b]pyridin-2-yl)phenyl)benzamide
CAS 863593-22-0C21H17N3O2S
2-(1,3-Benzothiazol-2-yl)-N-(2-methoxy-5-methylphenyl)pyridine-3-carboxamide chemical structure, C21H17N3O2S, CAS 879763-92-5
2-(1,3-Benzothiazol-2-yl)-N-(2-methoxy-5-methylphenyl)pyridine-3-carboxamide
CAS 879763-92-5C21H17N3O2S
N-Phenoxy-3-[(4-quinolinylmethyl)amino]-2-thiophenecarboxamide chemical structure, C21H17N3O2S, CAS 880466-61-5
N-Phenoxy-3-[(4-quinolinylmethyl)amino]-2-thiophenecarboxamide
CAS 880466-61-5C21H17N3O2S
2-Amino-3-(thiophene-2-carbonyl)-N-(o-tolyl)indolizine-1-carboxamide chemical structure, C21H17N3O2S, CAS 898416-94-9
2-Amino-3-(thiophene-2-carbonyl)-N-(o-tolyl)indolizine-1-carboxamide
CAS 898416-94-9C21H17N3O2S
2-Amino-3-(thiophene-2-carbonyl)-N-(m-tolyl)indolizine-1-carboxamide chemical structure, C21H17N3O2S, CAS 898417-00-0
2-Amino-3-(thiophene-2-carbonyl)-N-(m-tolyl)indolizine-1-carboxamide
CAS 898417-00-0C21H17N3O2S
2-Amino-3-(thiophene-2-carbonyl)-N-(p-tolyl)indolizine-1-carboxamide chemical structure, C21H17N3O2S, CAS 898417-06-6
2-Amino-3-(thiophene-2-carbonyl)-N-(p-tolyl)indolizine-1-carboxamide
CAS 898417-06-6C21H17N3O2S
N-(1,3-diphenyl-1H-pyrazol-5-yl)Benzenesulfonamide chemical structure, C21H17N3O2S, CAS 484640-90-6
N-(1,3-diphenyl-1H-pyrazol-5-yl)Benzenesulfonamide
CAS 484640-90-6C21H17N3O2S
(Z)-2-Cyano-N-(4-ethoxyphenyl)-3-(4-phenyl-1,3-thiazol-2-yl)prop-2-enamide chemical structure, C21H17N3O2S, CAS 1252562-19-8
(Z)-2-Cyano-N-(4-ethoxyphenyl)-3-(4-phenyl-1,3-thiazol-2-yl)prop-2-enamide
CAS 1252562-19-8C21H17N3O2S
(E)-2-Styryl-5-tosyl-5H-pyrrolo[2,3-b]pyrazine chemical structure, C21H17N3O2S, CAS 1421338-22-8
(E)-2-Styryl-5-tosyl-5H-pyrrolo[2,3-b]pyrazine
CAS 1421338-22-8C21H17N3O2S
4-[3-(1-Benzothiophen-3-yl)-2-cyanoprop-2-enamido]-N,N-dimethylbenzamide chemical structure, C21H17N3O2S, CAS 1394799-39-3
4-[3-(1-Benzothiophen-3-yl)-2-cyanoprop-2-enamido]-N,N-dimethylbenzamide
CAS 1394799-39-3C21H17N3O2S

Frequently asked questions

What is the molar mass of C21H17N3O2S?

The molar mass of C21H17N3O2S is 375.45 g/mol, calculated from standard atomic weights for 21 carbon atoms, 17 hydrogen atoms, 3 nitrogen atoms, 2 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 380.1355 Da.

How many compounds have the formula C21H17N3O2S?

CompoundList lists 132 compounds with the molecular formula C21H17N3O2S, including N-(Benzo[d]thiazol-2-yl)-3-methoxy-N-(pyridin-2-ylmethyl)benzamide, N-(Benzo[d]thiazol-2-yl)-4-methoxy-N-(pyridin-2-ylmethyl)benzamide, N-(Benzo[d]thiazol-2-yl)-2-methoxy-N-(pyridin-2-ylmethyl)benzamide. 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 C21H17N3O2S?

C21H17N3O2S 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.