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Molecular formula

C21H17N5O4S

39 compounds have this formula on CompoundList.

Molar mass
435.46g/mol
Monoisotopic mass
435.1001Da
Atoms
48
Elements
5
Rings plus double bonds
16

The formula C21H17N5O4S describes a molecule made of 21 carbon atoms, 17 hydrogen atoms, 5 nitrogen atoms, 4 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 × 2157.92%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 173.94%
    1.008 × 17 = 17.136 g/mol
  • N Nitrogen × 516.08%
    14.007 × 5 = 70.035 g/mol
  • O Oxygen × 414.70%
    15.999 × 4 = 63.996 g/mol
  • S Sulfur × 17.36%
    32.06 × 1 = 32.060 g/mol
Look up another formula

Compounds with the formula C21H17N5O4S

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

Showing 1 to 39 of 39 compounds

N-Benzo[1,3]dioxol-5-yl-2-(4-furan-2-ylmethyl-5-pyridin-2-yl-4H-[1,2,4]triazol-3-ylsulfanyl)-acetamide chemical structure, C21H17N5O4S, CAS 586988-65-0
N-Benzo[1,3]dioxol-5-yl-2-(4-furan-2-ylmethyl-5-pyridin-2-yl-4H-[1,2,4]triazol-3-ylsulfanyl)-acetamide
CAS 586988-65-0C21H17N5O4S
5-Methyl-3-phenyl-N-(4-(N-(pyrimidin-2-yl)sulfamoyl)phenyl)isoxazole-4-carboxamide chemical structure, C21H17N5O4S, CAS 547704-53-0
5-Methyl-3-phenyl-N-(4-(N-(pyrimidin-2-yl)sulfamoyl)phenyl)isoxazole-4-carboxamide
CAS 547704-53-0C21H17N5O4S
(Z)-2-((1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)amino)-5-(3-nitrobenzylidene)thiazol-4(5H)-one chemical structure, C21H17N5O4S, CAS 1164536-76-8
(Z)-2-((1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)amino)-5-(3-nitrobenzylidene)thiazol-4(5H)-one
CAS 1164536-76-8C21H17N5O4S
N-{4-[(4-Methylpyrimidin-2-yl)sulfamoyl]phenyl}-5-phenyl-1,2-oxazole-3-carboxamide chemical structure, C21H17N5O4S, CAS 898482-85-4
N-{4-[(4-Methylpyrimidin-2-yl)sulfamoyl]phenyl}-5-phenyl-1,2-oxazole-3-carboxamide
CAS 898482-85-4C21H17N5O4S
4-(N'-(3,5-Dioxo-1,2-diphenylpyrazolidin-4-ylidene)hydrazino)benzenesulfonamide chemical structure, C21H17N5O4S, CAS 53793-01-4
4-(N'-(3,5-Dioxo-1,2-diphenylpyrazolidin-4-ylidene)hydrazino)benzenesulfonamide
CAS 53793-01-4C21H17N5O4S
1-[5-Acetyl-3-(4-methylphenyl)-6-(3-nitrophenyl)-5H-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazin-7-yl]ethanone chemical structure, C21H17N5O4S, CAS 896273-80-6
1-[5-Acetyl-3-(4-methylphenyl)-6-(3-nitrophenyl)-5H-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazin-7-yl]ethanone
CAS 896273-80-6C21H17N5O4S
N-(2,3-Dihydro-1,4-benzodioxin-6-yl)-2-[(4-oxo-5-phenyl-1H-pyrazolo[3,4-d]pyrimidin-6-yl)sulfanyl]acetamide chemical structure, C21H17N5O4S, CAS 309943-34-8
N-(2,3-Dihydro-1,4-benzodioxin-6-yl)-2-[(4-oxo-5-phenyl-1H-pyrazolo[3,4-d]pyrimidin-6-yl)sulfanyl]acetamide
CAS 309943-34-8C21H17N5O4S
N-(2,3-Dihydro-1,4-benzodioxin-6-yl)-2-(3-oxo-8-phenylsulfanyl-[1,2,4]triazolo[4,3-a]pyrazin-2-yl)acetamide chemical structure, C21H17N5O4S, CAS 1251634-50-0
N-(2,3-Dihydro-1,4-benzodioxin-6-yl)-2-(3-oxo-8-phenylsulfanyl-[1,2,4]triazolo[4,3-a]pyrazin-2-yl)acetamide
CAS 1251634-50-0C21H17N5O4S
(4-(6-Nitrobenzo[d]thiazol-2-yl)piperazin-1-yl)(5-phenylisoxazol-3-yl)methanone chemical structure, C21H17N5O4S, CAS 1203013-17-5
(4-(6-Nitrobenzo[d]thiazol-2-yl)piperazin-1-yl)(5-phenylisoxazol-3-yl)methanone
CAS 1203013-17-5C21H17N5O4S
4-Nitro-N-(3-(p-tolylamino)quinoxalin-2-yl)benzenesulfonamide chemical structure, C21H17N5O4S, CAS 299954-87-3
4-Nitro-N-(3-(p-tolylamino)quinoxalin-2-yl)benzenesulfonamide
CAS 299954-87-3C21H17N5O4S
5-((3-(2,4-Dimethoxyphenyl)-1,2,4-oxadiazol-5-yl)methyl)-2-(thiophen-2-yl)pyrazolo[1,5-a]pyrazin-4(5H)-one chemical structure, C21H17N5O4S, CAS 1040661-04-8
5-((3-(2,4-Dimethoxyphenyl)-1,2,4-oxadiazol-5-yl)methyl)-2-(thiophen-2-yl)pyrazolo[1,5-a]pyrazin-4(5H)-one
CAS 1040661-04-8C21H17N5O4S
N-(1-(4-(3-Methoxyphenyl)thiazol-2-yl)-3-methyl-1H-pyrazol-5-yl)-2-nitrobenzamide chemical structure, C21H17N5O4S, CAS 1019102-56-7
N-(1-(4-(3-Methoxyphenyl)thiazol-2-yl)-3-methyl-1H-pyrazol-5-yl)-2-nitrobenzamide
CAS 1019102-56-7C21H17N5O4S
N-[1-(4,5-Dimethyl-6-oxo-1,6-dihydropyrimidin-2-yl)-3-(thiophen-2-yl)-1H-pyrazol-5-yl]-2H-1,3-benzodioxole-5-carboxamide chemical structure, C21H17N5O4S, CAS 1172921-29-7
N-[1-(4,5-Dimethyl-6-oxo-1,6-dihydropyrimidin-2-yl)-3-(thiophen-2-yl)-1H-pyrazol-5-yl]-2H-1,3-benzodioxole-5-carboxamide
CAS 1172921-29-7C21H17N5O4S
4-(2-(2,4-Dioxo-3-(thiophen-2-ylmethyl)-3,4-dihydropyrido[3,2-d]pyrimidin-1(2H)-yl)acetamido)benzamide chemical structure, C21H17N5O4S, CAS 955618-81-2
4-(2-(2,4-Dioxo-3-(thiophen-2-ylmethyl)-3,4-dihydropyrido[3,2-d]pyrimidin-1(2H)-yl)acetamido)benzamide
CAS 955618-81-2C21H17N5O4S
N-(Benzo[d][1,3]dioxol-5-yl)-2-((7-methyl-4-oxo-8-phenyl-3,4-dihydropyrazolo[1,5-a][1,3,5]triazin-2-yl)thio)acetamide chemical structure, C21H17N5O4S, CAS 946247-52-5
N-(Benzo[d][1,3]dioxol-5-yl)-2-((7-methyl-4-oxo-8-phenyl-3,4-dihydropyrazolo[1,5-a][1,3,5]triazin-2-yl)thio)acetamide
CAS 946247-52-5C21H17N5O4S
2-((2E)-2-{1-[4-(4-Methoxyphenyl)-1,3-thiazol-2-yl]-3-methyl-5-oxo-1,5-dihydro-4H-pyrazol-4-ylidene}hydrazino)benzoic acid chemical structure, C21H17N5O4S, CAS 314290-54-5
2-((2E)-2-{1-[4-(4-Methoxyphenyl)-1,3-thiazol-2-yl]-3-methyl-5-oxo-1,5-dihydro-4H-pyrazol-4-ylidene}hydrazino)benzoic acid
CAS 314290-54-5C21H17N5O4S
N-(4-Amino-2-((2-(naphthalen-1-ylamino)-2-oxoethyl)thio)-6-oxo-1,6-dihydropyrimidin-5-yl)furan-2-carboxamide chemical structure, C21H17N5O4S, CAS 868225-95-0
N-(4-Amino-2-((2-(naphthalen-1-ylamino)-2-oxoethyl)thio)-6-oxo-1,6-dihydropyrimidin-5-yl)furan-2-carboxamide
CAS 868225-95-0C21H17N5O4S
3-((2E)-2-{1-[4-(4-Methoxyphenyl)-1,3-thiazol-2-yl]-3-methyl-5-oxo-1,5-dihydro-4H-pyrazol-4-ylidene}hydrazino)benzoic acid chemical structure, C21H17N5O4S, CAS 1482516-64-2
3-((2E)-2-{1-[4-(4-Methoxyphenyl)-1,3-thiazol-2-yl]-3-methyl-5-oxo-1,5-dihydro-4H-pyrazol-4-ylidene}hydrazino)benzoic acid
CAS 1482516-64-2C21H17N5O4S
N-(Benzo[d][1,3]dioxol-5-yl)-2-((3-(4-methoxyphenyl)-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)thio)acetamide chemical structure, C21H17N5O4S, CAS 852376-49-9
N-(Benzo[d][1,3]dioxol-5-yl)-2-((3-(4-methoxyphenyl)-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)thio)acetamide
CAS 852376-49-9C21H17N5O4S
5-((3-(3,4-Dimethoxyphenyl)-1,2,4-oxadiazol-5-yl)methyl)-2-(thiophen-2-yl)pyrazolo[1,5-a]pyrazin-4(5H)-one chemical structure, C21H17N5O4S, CAS 1040660-83-0
5-((3-(3,4-Dimethoxyphenyl)-1,2,4-oxadiazol-5-yl)methyl)-2-(thiophen-2-yl)pyrazolo[1,5-a]pyrazin-4(5H)-one
CAS 1040660-83-0C21H17N5O4S
5-((3-(3,5-Dimethoxyphenyl)-1,2,4-oxadiazol-5-yl)methyl)-2-(thiophen-2-yl)pyrazolo[1,5-a]pyrazin-4(5H)-one chemical structure, C21H17N5O4S, CAS 1040661-18-4
5-((3-(3,5-Dimethoxyphenyl)-1,2,4-oxadiazol-5-yl)methyl)-2-(thiophen-2-yl)pyrazolo[1,5-a]pyrazin-4(5H)-one
CAS 1040661-18-4C21H17N5O4S
Methyl 5-benzyl-2-{[(4-oxo-1,2,3-benzotriazin-3(4H)-yl)acetyl]amino}-1,3-thiazole-4-carboxylate chemical structure, C21H17N5O4S, CAS 1374546-11-8
Methyl 5-benzyl-2-{[(4-oxo-1,2,3-benzotriazin-3(4H)-yl)acetyl]amino}-1,3-thiazole-4-carboxylate
CAS 1374546-11-8C21H17N5O4S
Methyl 2-{[3-(4-oxo-1,2,3-benzotriazin-3(4H)-yl)propanoyl]amino}-5-phenyl-1,3-thiazole-4-carboxylate chemical structure, C21H17N5O4S, CAS 1374550-10-3
Methyl 2-{[3-(4-oxo-1,2,3-benzotriazin-3(4H)-yl)propanoyl]amino}-5-phenyl-1,3-thiazole-4-carboxylate
CAS 1374550-10-3C21H17N5O4S
N-[(2H-1,3-Benzodioxol-5-yl)methyl]-2-({7-oxo-5-phenyl-7H,8H-[1,2,4]triazolo[4,3-a]pyrimidin-3-yl}sulfanyl)acetamide chemical structure, C21H17N5O4S, CAS 894998-30-2
N-[(2H-1,3-Benzodioxol-5-yl)methyl]-2-({7-oxo-5-phenyl-7H,8H-[1,2,4]triazolo[4,3-a]pyrimidin-3-yl}sulfanyl)acetamide
CAS 894998-30-2C21H17N5O4S

Frequently asked questions

What is the molar mass of C21H17N5O4S?

The molar mass of C21H17N5O4S is 435.46 g/mol, calculated from standard atomic weights for 21 carbon atoms, 17 hydrogen atoms, 5 nitrogen atoms, 4 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 435.1001 Da.

How many compounds have the formula C21H17N5O4S?

CompoundList lists 39 compounds with the molecular formula C21H17N5O4S, including N-Benzo[1,3]dioxol-5-yl-2-(4-furan-2-ylmethyl-5-pyridin-2-yl-4H-[1,2,4]triazol-3-ylsulfanyl)-acetamide, 5-Methyl-3-phenyl-N-(4-(N-(pyrimidin-2-yl)sulfamoyl)phenyl)isoxazole-4-carboxamide, (Z)-2-((1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)amino)-5-(3-nitrobenzylidene)thiazol-4(5H)-one. 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 C21H17N5O4S?

C21H17N5O4S 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.