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Molecular formula

C21H21N5O5S

18 compounds have this formula on CompoundList.

Molar mass
455.49g/mol
Monoisotopic mass
455.1263Da
Atoms
53
Elements
5
Rings plus double bonds
14

The formula C21H21N5O5S describes a molecule made of 21 carbon atoms, 21 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 × 2155.38%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 214.65%
    1.008 × 21 = 21.168 g/mol
  • N Nitrogen × 515.38%
    14.007 × 5 = 70.035 g/mol
  • O Oxygen × 517.56%
    15.999 × 5 = 79.995 g/mol
  • S Sulfur × 17.04%
    32.06 × 1 = 32.060 g/mol
Look up another formula

Compounds with the formula C21H21N5O5S

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

Showing 1 to 18 of 18 compounds

2-Methyl-N-(4-(6-morpholinopyridazin-3-yl)phenyl)-5-nitrobenzenesulfonamide chemical structure, C21H21N5O5S, CAS 898442-29-0
2-Methyl-N-(4-(6-morpholinopyridazin-3-yl)phenyl)-5-nitrobenzenesulfonamide
CAS 898442-29-0C21H21N5O5S
2-Methyl-N-(3-(6-morpholinopyridazin-3-yl)phenyl)-5-nitrobenzenesulfonamide chemical structure, C21H21N5O5S, CAS 898446-29-2
2-Methyl-N-(3-(6-morpholinopyridazin-3-yl)phenyl)-5-nitrobenzenesulfonamide
CAS 898446-29-2C21H21N5O5S
[(6-Amino-1-benzyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-5-yl)(methyl)carbamoyl]methyl 2-(methylsulfanyl)pyridine-3-carboxylate chemical structure, C21H21N5O5S, CAS 1031078-32-6
[(6-Amino-1-benzyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-5-yl)(methyl)carbamoyl]methyl 2-(methylsulfanyl)pyridine-3-carboxylate
CAS 1031078-32-6C21H21N5O5S
Diethyl 5-(2-((1-phenyl-1H-tetrazol-5-yl)thio)acetamido)isophthalate chemical structure, C21H21N5O5S, CAS 315678-98-9
Diethyl 5-(2-((1-phenyl-1H-tetrazol-5-yl)thio)acetamido)isophthalate
CAS 315678-98-9C21H21N5O5S
SARS-CoV-2 nsp14-IN-2 chemical structure, C21H21N5O5S, CAS 2816165-16-7
SARS-CoV-2 nsp14-IN-2
CAS 2816165-16-7C21H21N5O5S
Ethyl 2-[[4-benzyl-5-[[(4-nitrobenzoyl)amino]methyl]-1,2,4-triazol-3-yl]sulfanyl]acetate chemical structure, C21H21N5O5S, CAS 689749-88-0
Ethyl 2-[[4-benzyl-5-[[(4-nitrobenzoyl)amino]methyl]-1,2,4-triazol-3-yl]sulfanyl]acetate
CAS 689749-88-0C21H21N5O5S
beta-Alanine, N-methyl-N-[4-[(5-nitro-2-thiazolyl)azo]phenyl]-, 2-phenoxyethyl ester chemical structure, C21H21N5O5S, CAS 113969-07-6
beta-Alanine, N-methyl-N-[4-[(5-nitro-2-thiazolyl)azo]phenyl]-, 2-phenoxyethyl ester
CAS 113969-07-6C21H21N5O5S
2-[5-(3,4-Dimethoxyphenyl)-4,6-dioxo-4,5,6,6a-tetrahydropyrrolo[3,4-d][1,2,3]triazol-1(3aH)-yl]-N-[3-(methylsulfanyl)phenyl]acetamide chemical structure, C21H21N5O5S, CAS 1052611-45-6
2-[5-(3,4-Dimethoxyphenyl)-4,6-dioxo-4,5,6,6a-tetrahydropyrrolo[3,4-d][1,2,3]triazol-1(3aH)-yl]-N-[3-(methylsulfanyl)phenyl]acetamide
CAS 1052611-45-6C21H21N5O5S
2-((7-(2-Hydroxy-3-(naphthalen-1-yloxy)propyl)-3-methyl-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-8-yl)thio)acetamide chemical structure, C21H21N5O5S, CAS 303970-53-8
2-((7-(2-Hydroxy-3-(naphthalen-1-yloxy)propyl)-3-methyl-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-8-yl)thio)acetamide
CAS 303970-53-8C21H21N5O5S
N-(4-Amino-6-oxo-2-((2-oxo-2-(phenylamino)ethyl)thio)-1,6-dihydropyrimidin-5-yl)-3,4-dimethoxybenzamide chemical structure, C21H21N5O5S, CAS 868226-92-0
N-(4-Amino-6-oxo-2-((2-oxo-2-(phenylamino)ethyl)thio)-1,6-dihydropyrimidin-5-yl)-3,4-dimethoxybenzamide
CAS 868226-92-0C21H21N5O5S
2-(Ethyl(4-((5-nitro-2,1-benzisothiazol-3-yl)azo)phenyl)amino)ethyl acetoacetate chemical structure, C21H21N5O5S, CAS 93981-75-0
2-(Ethyl(4-((5-nitro-2,1-benzisothiazol-3-yl)azo)phenyl)amino)ethyl acetoacetate
CAS 93981-75-0C21H21N5O5S
N-(4-Amino-2-((2-((2,4-dimethoxyphenyl)amino)-2-oxoethyl)thio)-6-oxo-1,6-dihydropyrimidin-5-yl)benzamide chemical structure, C21H21N5O5S, CAS 872596-82-2
N-(4-Amino-2-((2-((2,4-dimethoxyphenyl)amino)-2-oxoethyl)thio)-6-oxo-1,6-dihydropyrimidin-5-yl)benzamide
CAS 872596-82-2C21H21N5O5S
Ethyl 2-[[4-(3-methylphenyl)-5-[[(4-nitrobenzoyl)amino]methyl]-1,2,4-triazol-3-yl]sulfanyl]acetate chemical structure, C21H21N5O5S, CAS 689749-99-3
Ethyl 2-[[4-(3-methylphenyl)-5-[[(4-nitrobenzoyl)amino]methyl]-1,2,4-triazol-3-yl]sulfanyl]acetate
CAS 689749-99-3C21H21N5O5S
4-Methoxy-N-[1-(4-methyl-5-{[2-(3-nitrophenyl)-2-oxoethyl]sulfanyl}-4H-1,2,4-triazol-3-yl)ethyl]benzamide chemical structure, C21H21N5O5S, CAS 832681-61-5
4-Methoxy-N-[1-(4-methyl-5-{[2-(3-nitrophenyl)-2-oxoethyl]sulfanyl}-4H-1,2,4-triazol-3-yl)ethyl]benzamide
CAS 832681-61-5C21H21N5O5S
N-((5-((2-((4-Ethylphenyl)amino)-2-oxoethyl)thio)-1,3,4-oxadiazol-2-yl)methyl)-2-methyl-3-nitrobenzamide chemical structure, C21H21N5O5S, CAS 903314-94-3
N-((5-((2-((4-Ethylphenyl)amino)-2-oxoethyl)thio)-1,3,4-oxadiazol-2-yl)methyl)-2-methyl-3-nitrobenzamide
CAS 903314-94-3C21H21N5O5S
4-Methoxy-N-[2-[4-methyl-5-[2-(3-nitrophenyl)-2-oxoethyl]sulfanyl-1,2,4-triazol-3-yl]ethyl]benzamide chemical structure, C21H21N5O5S, CAS 831248-64-7
4-Methoxy-N-[2-[4-methyl-5-[2-(3-nitrophenyl)-2-oxoethyl]sulfanyl-1,2,4-triazol-3-yl]ethyl]benzamide
CAS 831248-64-7C21H21N5O5S
N-{1-[(3-Methyl-4-oxo-3,4-dihydrophthalazin-1-yl)formohydrazido]-1-oxopropan-2-yl}-2-phenylethene-1-sulfonamide chemical structure, C21H21N5O5S, CAS 1046461-78-2
N-{1-[(3-Methyl-4-oxo-3,4-dihydrophthalazin-1-yl)formohydrazido]-1-oxopropan-2-yl}-2-phenylethene-1-sulfonamide
CAS 1046461-78-2C21H21N5O5S
5-Amino-1,2,3,6-tetrahydro-2,6-dioxo-N-[1,2,3,4-tetrahydro-5-[(phenylsulfonyl)amino]-1-Naphthalenyl]-4-pyrimidinecarboxamide chemical structure, C21H21N5O5S, CAS 1582785-18-9
5-Amino-1,2,3,6-tetrahydro-2,6-dioxo-N-[1,2,3,4-tetrahydro-5-[(phenylsulfonyl)amino]-1-Naphthalenyl]-4-pyrimidinecarboxamide
CAS 1582785-18-9C21H21N5O5S

Frequently asked questions

What is the molar mass of C21H21N5O5S?

The molar mass of C21H21N5O5S is 455.49 g/mol, calculated from standard atomic weights for 21 carbon atoms, 21 hydrogen atoms, 5 nitrogen atoms, 5 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 455.1263 Da.

How many compounds have the formula C21H21N5O5S?

CompoundList lists 18 compounds with the molecular formula C21H21N5O5S, including 2-Methyl-N-(4-(6-morpholinopyridazin-3-yl)phenyl)-5-nitrobenzenesulfonamide, 2-Methyl-N-(3-(6-morpholinopyridazin-3-yl)phenyl)-5-nitrobenzenesulfonamide, [(6-Amino-1-benzyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-5-yl)(methyl)carbamoyl]methyl 2-(methylsulfanyl)pyridine-3-carboxylate. 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 C21H21N5O5S?

C21H21N5O5S 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.