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Molecular formula

C21H19N5O5S

13 compounds have this formula on CompoundList.

Molar mass
453.47g/mol
Monoisotopic mass
453.1107Da
Atoms
51
Elements
5
Rings plus double bonds
15

The formula C21H19N5O5S describes a molecule made of 21 carbon atoms, 19 hydrogen atoms, 5 nitrogen atoms, 5 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 × 2155.62%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 194.22%
    1.008 × 19 = 19.152 g/mol
  • N Nitrogen × 515.44%
    14.007 × 5 = 70.035 g/mol
  • O Oxygen × 517.64%
    15.999 × 5 = 79.995 g/mol
  • S Sulfur × 17.07%
    32.06 × 1 = 32.060 g/mol
Look up another formula

Compounds with the formula C21H19N5O5S

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

Showing 1 to 13 of 13 compounds

N-[4-[(4,6-Dimethylpyrimidin-2-yl)sulfamoyl]phenyl]-2-(2-oxo-1,3-benzoxazol-3-yl)acetamide chemical structure, C21H19N5O5S, CAS 694501-04-7
N-[4-[(4,6-Dimethylpyrimidin-2-yl)sulfamoyl]phenyl]-2-(2-oxo-1,3-benzoxazol-3-yl)acetamide
CAS 694501-04-7C21H19N5O5S
Methyl 3-(furan-2-ylmethyl)-2-[2-[(5-methyl-1H-pyrazol-3-yl)amino]-2-oxoethyl]sulfanyl-4-oxoquinazoline-7-carboxylate chemical structure, C21H19N5O5S, CAS 852691-37-3
Methyl 3-(furan-2-ylmethyl)-2-[2-[(5-methyl-1H-pyrazol-3-yl)amino]-2-oxoethyl]sulfanyl-4-oxoquinazoline-7-carboxylate
CAS 852691-37-3C21H19N5O5S
Chitin synthase inhibitor 13 chemical structure, C21H19N5O5S, CAS 2925228-79-9
Chitin synthase inhibitor 13
CAS 2925228-79-9C21H19N5O5S
2-((2-(Furan-2-yl)-6,8-dimethyl-5,7-dioxo-5,6,7,8-tetrahydropyrimido[4,5-d]pyrimidin-4-yl)thio)-N-(4-methoxyphenyl)acetamide chemical structure, C21H19N5O5S, CAS 847190-98-1
2-((2-(Furan-2-yl)-6,8-dimethyl-5,7-dioxo-5,6,7,8-tetrahydropyrimido[4,5-d]pyrimidin-4-yl)thio)-N-(4-methoxyphenyl)acetamide
CAS 847190-98-1C21H19N5O5S
2-((2-(Furan-2-yl)-6,8-dimethyl-5,7-dioxo-5,6,7,8-tetrahydropyrimido[4,5-d]pyrimidin-4-yl)thio)-N-(3-methoxyphenyl)acetamide chemical structure, C21H19N5O5S, CAS 847190-97-0
2-((2-(Furan-2-yl)-6,8-dimethyl-5,7-dioxo-5,6,7,8-tetrahydropyrimido[4,5-d]pyrimidin-4-yl)thio)-N-(3-methoxyphenyl)acetamide
CAS 847190-97-0C21H19N5O5S
2-{[5-(7-Methoxy-1-benzofuran-2-yl)-4-methyl-4H-1,2,4-triazol-3-yl]sulfanyl}-N-(4-methyl-3-nitrophenyl)acetamide chemical structure, C21H19N5O5S, CAS 831252-52-9
2-{[5-(7-Methoxy-1-benzofuran-2-yl)-4-methyl-4H-1,2,4-triazol-3-yl]sulfanyl}-N-(4-methyl-3-nitrophenyl)acetamide
CAS 831252-52-9C21H19N5O5S
3-Benzyl-5-methyl-2,4-dioxo-N-(4-sulfamoylphenyl)-2,3,4,5-tetrahydro-1H-pyrrolo[3,2-d]pyrimidine-7-carboxamide chemical structure, C21H19N5O5S, CAS 921536-76-7
3-Benzyl-5-methyl-2,4-dioxo-N-(4-sulfamoylphenyl)-2,3,4,5-tetrahydro-1H-pyrrolo[3,2-d]pyrimidine-7-carboxamide
CAS 921536-76-7C21H19N5O5S
N-(4-Amino-2-((2-(benzo[d][1,3]dioxol-5-ylamino)-2-oxoethyl)thio)-6-oxo-1,6-dihydropyrimidin-5-yl)-4-methylbenzamide chemical structure, C21H19N5O5S, CAS 872597-53-0
N-(4-Amino-2-((2-(benzo[d][1,3]dioxol-5-ylamino)-2-oxoethyl)thio)-6-oxo-1,6-dihydropyrimidin-5-yl)-4-methylbenzamide
CAS 872597-53-0C21H19N5O5S
2-{4-[4-Cyano-2-(furan-2-yl)-1,3-oxazol-5-yl]piperazin-1-yl}-2-oxoethyl 2-(methylsulfanyl)pyridine-3-carboxylate chemical structure, C21H19N5O5S, CAS 1147733-19-4
2-{4-[4-Cyano-2-(furan-2-yl)-1,3-oxazol-5-yl]piperazin-1-yl}-2-oxoethyl 2-(methylsulfanyl)pyridine-3-carboxylate
CAS 1147733-19-4C21H19N5O5S
2-[6-(Benzenesulfonyl)-3-oxo-2H,3H-[1,2,4]triazolo[4,3-b]pyridazin-2-yl]-N-(4-ethoxyphenyl)acetamide chemical structure, C21H19N5O5S, CAS 1189502-81-5
2-[6-(Benzenesulfonyl)-3-oxo-2H,3H-[1,2,4]triazolo[4,3-b]pyridazin-2-yl]-N-(4-ethoxyphenyl)acetamide
CAS 1189502-81-5C21H19N5O5S
N-(3,5-Dimethoxyphenyl)-2-({3-[(furan-2-yl)methyl]-4-oxo-3,4-dihydropteridin-2-yl}sulfanyl)acetamide chemical structure, C21H19N5O5S, CAS 902850-26-4
N-(3,5-Dimethoxyphenyl)-2-({3-[(furan-2-yl)methyl]-4-oxo-3,4-dihydropteridin-2-yl}sulfanyl)acetamide
CAS 902850-26-4C21H19N5O5S
4-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-4-[(1,2,3,4-thiatriazol-5-yl)carbamoyl]butanoic acid chemical structure, C21H19N5O5S, CAS 2171629-97-1
4-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-4-[(1,2,3,4-thiatriazol-5-yl)carbamoyl]butanoic acid
CAS 2171629-97-1C21H19N5O5S
N-(4-Nitrophenyl)-N'-(4-oxospiro[1,3-dihydroquinazoline-2,3'-thiolane]-6-yl)but-2-enediamide chemical structure, C21H19N5O5S
N-(4-Nitrophenyl)-N'-(4-oxospiro[1,3-dihydroquinazoline-2,3'-thiolane]-6-yl)but-2-enediamide
C21H19N5O5S

Frequently asked questions

What is the molar mass of C21H19N5O5S?

The molar mass of C21H19N5O5S is 453.47 g/mol, calculated from standard atomic weights for 21 carbon atoms, 19 hydrogen atoms, 5 nitrogen atoms, 5 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 453.1107 Da.

How many compounds have the formula C21H19N5O5S?

CompoundList lists 13 compounds with the molecular formula C21H19N5O5S, including N-[4-[(4,6-Dimethylpyrimidin-2-yl)sulfamoyl]phenyl]-2-(2-oxo-1,3-benzoxazol-3-yl)acetamide, Methyl 3-(furan-2-ylmethyl)-2-[2-[(5-methyl-1H-pyrazol-3-yl)amino]-2-oxoethyl]sulfanyl-4-oxoquinazoline-7-carboxylate, Chitin synthase inhibitor 13. 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 C21H19N5O5S?

C21H19N5O5S 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.