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Molecular formula

C21H21N5O5S2

14 compounds have this formula on CompoundList.

Molar mass
487.55g/mol
Monoisotopic mass
487.0984Da
Atoms
54
Elements
5
Rings plus double bonds
14

The formula C21H21N5O5S2 describes a molecule made of 21 carbon atoms, 21 hydrogen atoms, 5 nitrogen atoms, 5 oxygen atoms 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 × 2151.73%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 214.34%
    1.008 × 21 = 21.168 g/mol
  • N Nitrogen × 514.36%
    14.007 × 5 = 70.035 g/mol
  • O Oxygen × 516.41%
    15.999 × 5 = 79.995 g/mol
  • S Sulfur × 213.15%
    32.06 × 2 = 64.120 g/mol
Look up another formula

Compounds with the formula C21H21N5O5S2

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

Showing 1 to 14 of 14 compounds

N-(4-{[(3,4-Dimethyl-5-isoxazolyl)amino]sulfonyl}phenyl)-2-[(6-methoxy-1H-benzimidazol-2-yl)thio]acetamide chemical structure, C21H21N5O5S2, CAS 517869-71-5
N-(4-{[(3,4-Dimethyl-5-isoxazolyl)amino]sulfonyl}phenyl)-2-[(6-methoxy-1H-benzimidazol-2-yl)thio]acetamide
CAS 517869-71-5C21H21N5O5S2
N-{5-[({[(Furan-2-yl)methyl]carbamoyl}methyl)sulfanyl]-1,3,4-thiadiazol-2-yl}-1-(4-methoxyphenyl)-5-oxopyrrolidine-3-carboxamide chemical structure, C21H21N5O5S2, CAS 894048-26-1
N-{5-[({[(Furan-2-yl)methyl]carbamoyl}methyl)sulfanyl]-1,3,4-thiadiazol-2-yl}-1-(4-methoxyphenyl)-5-oxopyrrolidine-3-carboxamide
CAS 894048-26-1C21H21N5O5S2
N-[5-({[(4-Acetamidophenyl)carbamoyl]methyl}sulfanyl)-1,3,4-thiadiazol-2-yl]-2,4-dimethoxybenzamide chemical structure, C21H21N5O5S2, CAS 893130-05-7
N-[5-({[(4-Acetamidophenyl)carbamoyl]methyl}sulfanyl)-1,3,4-thiadiazol-2-yl]-2,4-dimethoxybenzamide
CAS 893130-05-7C21H21N5O5S2
Ethyl 2-(2-((5-(3-(4-methoxyphenyl)ureido)-1,3,4-thiadiazol-2-yl)thio)acetamido)benzoate chemical structure, C21H21N5O5S2, CAS 898436-41-4
Ethyl 2-(2-((5-(3-(4-methoxyphenyl)ureido)-1,3,4-thiadiazol-2-yl)thio)acetamido)benzoate
CAS 898436-41-4C21H21N5O5S2
BB-S 150 chemical structure, C21H21N5O5S2, CAS 52786-87-5
BB-S 150
CAS 52786-87-5C21H21N5O5S2
(Z)-Methyl 2-(1-(9-methyl-3-((3-methyl-4-oxo-2-thioxothiazolidin-5-ylidene)methyl)-4-oxo-4H-pyrido[1,2-a]pyrimidin-2-yl)-3-oxopiperazin-2-yl)acetate chemical structure, C21H21N5O5S2, CAS 1025020-05-6
(Z)-Methyl 2-(1-(9-methyl-3-((3-methyl-4-oxo-2-thioxothiazolidin-5-ylidene)methyl)-4-oxo-4H-pyrido[1,2-a]pyrimidin-2-yl)-3-oxopiperazin-2-yl)acetate
CAS 1025020-05-6C21H21N5O5S2
(Z)-Methyl 2-(1-(3-((3-ethyl-4-oxo-2-thioxothiazolidin-5-ylidene)methyl)-4-oxo-4H-pyrido[1,2-a]pyrimidin-2-yl)-3-oxopiperazin-2-yl)acetate chemical structure, C21H21N5O5S2, CAS 1025360-05-7
(Z)-Methyl 2-(1-(3-((3-ethyl-4-oxo-2-thioxothiazolidin-5-ylidene)methyl)-4-oxo-4H-pyrido[1,2-a]pyrimidin-2-yl)-3-oxopiperazin-2-yl)acetate
CAS 1025360-05-7C21H21N5O5S2
(Z)-Ethyl 2-(1-(3-((3-methyl-4-oxo-2-thioxothiazolidin-5-ylidene)methyl)-4-oxo-4H-pyrido[1,2-a]pyrimidin-2-yl)-3-oxopiperazin-2-yl)acetate chemical structure, C21H21N5O5S2, CAS 1031390-70-1
(Z)-Ethyl 2-(1-(3-((3-methyl-4-oxo-2-thioxothiazolidin-5-ylidene)methyl)-4-oxo-4H-pyrido[1,2-a]pyrimidin-2-yl)-3-oxopiperazin-2-yl)acetate
CAS 1031390-70-1C21H21N5O5S2
N-(5-(5-Oxo-1-phenylpyrrolidin-3-yl)-1,3,4-oxadiazol-2-yl)-1-(thiophen-2-ylsulfonyl)pyrrolidine-2-carboxamide chemical structure, C21H21N5O5S2, CAS 1396555-92-2
N-(5-(5-Oxo-1-phenylpyrrolidin-3-yl)-1,3,4-oxadiazol-2-yl)-1-(thiophen-2-ylsulfonyl)pyrrolidine-2-carboxamide
CAS 1396555-92-2C21H21N5O5S2
Methyl 3-(5,6-dimethyl-4-oxo-3,4-dihydrothieno[2,3-d]pyrimidin-2-yl)-2-(2-methoxy-2-oxoethyl)-5-(phenylamino)-2,3-dihydro-1,3,4-thiadiazole-2-carboxylate chemical structure, C21H21N5O5S2, CAS 848667-39-0
Methyl 3-(5,6-dimethyl-4-oxo-3,4-dihydrothieno[2,3-d]pyrimidin-2-yl)-2-(2-methoxy-2-oxoethyl)-5-(phenylamino)-2,3-dihydro-1,3,4-thiadiazole-2-carboxylate
CAS 848667-39-0C21H21N5O5S2
[(3,5-Dimethyl-1-phenylpyrazol-4-yl)sulfonyl](4-{[(5-methylisoxazol-3-yl)amino]sulfonyl}phenyl)amine chemical structure, C21H21N5O5S2, CAS 1006191-76-9
[(3,5-Dimethyl-1-phenylpyrazol-4-yl)sulfonyl](4-{[(5-methylisoxazol-3-yl)amino]sulfonyl}phenyl)amine
CAS 1006191-76-9C21H21N5O5S2
2-((5-(4-(Benzo[d][1,3]dioxole-5-carbonyl)piperazin-1-yl)-1,3,4-thiadiazol-2-yl)thio)-N-(furan-2-ylmethyl)acetamide chemical structure, C21H21N5O5S2, CAS 1207018-05-0
2-((5-(4-(Benzo[d][1,3]dioxole-5-carbonyl)piperazin-1-yl)-1,3,4-thiadiazol-2-yl)thio)-N-(furan-2-ylmethyl)acetamide
CAS 1207018-05-0C21H21N5O5S2
Ethyl 4-{2-[(5-{[(4-methoxyphenyl)carbamoyl]amino}-1,3,4-thiadiazol-2-yl)sulfanyl]acetamido}benzoate chemical structure, C21H21N5O5S2, CAS 946216-28-0
Ethyl 4-{2-[(5-{[(4-methoxyphenyl)carbamoyl]amino}-1,3,4-thiadiazol-2-yl)sulfanyl]acetamido}benzoate
CAS 946216-28-0C21H21N5O5S2
2-(N-Methyl-2-phenylethenesulfonamido)-N-{4-[(pyrimidin-2-yl)sulfamoyl]phenyl}acetamide chemical structure, C21H21N5O5S2, CAS 878238-83-6
2-(N-Methyl-2-phenylethenesulfonamido)-N-{4-[(pyrimidin-2-yl)sulfamoyl]phenyl}acetamide
CAS 878238-83-6C21H21N5O5S2

Frequently asked questions

What is the molar mass of C21H21N5O5S2?

The molar mass of C21H21N5O5S2 is 487.55 g/mol, calculated from standard atomic weights for 21 carbon atoms, 21 hydrogen atoms, 5 nitrogen atoms, 5 oxygen atoms and 2 sulfur atoms. The monoisotopic mass is 487.0984 Da.

How many compounds have the formula C21H21N5O5S2?

CompoundList lists 14 compounds with the molecular formula C21H21N5O5S2, including N-(4-{[(3,4-Dimethyl-5-isoxazolyl)amino]sulfonyl}phenyl)-2-[(6-methoxy-1H-benzimidazol-2-yl)thio]acetamide, N-{5-[({[(Furan-2-yl)methyl]carbamoyl}methyl)sulfanyl]-1,3,4-thiadiazol-2-yl}-1-(4-methoxyphenyl)-5-oxopyrrolidine-3-carboxamide, N-[5-({[(4-Acetamidophenyl)carbamoyl]methyl}sulfanyl)-1,3,4-thiadiazol-2-yl]-2,4-dimethoxybenzamide. 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 C21H21N5O5S2?

C21H21N5O5S2 has a degree of unsaturation of 14. 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.