CompoundList
Sign in
Molecular formula

C21H21N3O7S

6 compounds have this formula on CompoundList.

Molar mass
459.47g/mol
Monoisotopic mass
459.1100Da
Atoms
53
Elements
5
Rings plus double bonds
13

The formula C21H21N3O7S describes a molecule made of 21 carbon atoms, 21 hydrogen atoms, 3 nitrogen atoms, 7 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 × 2154.90%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 214.61%
    1.008 × 21 = 21.168 g/mol
  • N Nitrogen × 39.15%
    14.007 × 3 = 42.021 g/mol
  • O Oxygen × 724.37%
    15.999 × 7 = 111.993 g/mol
  • S Sulfur × 16.98%
    32.06 × 1 = 32.060 g/mol
Look up another formula

Compounds with the formula C21H21N3O7S

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

Showing 1 to 6 of 6 compounds

N-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)-2-((5-(3,4,5-trimethoxyphenyl)-1,3,4-oxadiazol-2-yl)thio)acetamide chemical structure, C21H21N3O7S, CAS 568558-66-7
N-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)-2-((5-(3,4,5-trimethoxyphenyl)-1,3,4-oxadiazol-2-yl)thio)acetamide
CAS 568558-66-7C21H21N3O7S
4-[(2,5-Dioxo-1-phenylpyrrolidin-3-yl)(4-sulfamoylbenzyl)amino]-4-oxobutanoic acid chemical structure, C21H21N3O7S, CAS 470695-34-2
4-[(2,5-Dioxo-1-phenylpyrrolidin-3-yl)(4-sulfamoylbenzyl)amino]-4-oxobutanoic acid
CAS 470695-34-2C21H21N3O7S
Methyl 2-({4-[(4,6-dimethoxy-2-pyrimidinyl)oxy]-2-methylanilino}sulfonyl)benzenecarboxylate chemical structure, C21H21N3O7S, CAS 866154-87-2
Methyl 2-({4-[(4,6-dimethoxy-2-pyrimidinyl)oxy]-2-methylanilino}sulfonyl)benzenecarboxylate
CAS 866154-87-2C21H21N3O7S
N-(5-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)-1,3,4-oxadiazol-2-yl)-4-((4-methoxyphenyl)sulfonyl)butanamide chemical structure, C21H21N3O7S, CAS 941907-12-6
N-(5-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)-1,3,4-oxadiazol-2-yl)-4-((4-methoxyphenyl)sulfonyl)butanamide
CAS 941907-12-6C21H21N3O7S
Methyl 2-[(5E)-5-{[1-(2-methoxy-4-nitrophenyl)-2,5-dimethyl-1H-pyrrol-3-yl]methylidene}-2,4-dioxo-1,3-thiazolidin-3-yl]propanoate chemical structure, C21H21N3O7S, CAS 593266-06-9
Methyl 2-[(5E)-5-{[1-(2-methoxy-4-nitrophenyl)-2,5-dimethyl-1H-pyrrol-3-yl]methylidene}-2,4-dioxo-1,3-thiazolidin-3-yl]propanoate
CAS 593266-06-9C21H21N3O7S
N-(5-(Benzo[d][1,3]dioxol-5-ylmethyl)-1,3,4-oxadiazol-2-yl)-4-((4-methoxyphenyl)sulfonyl)butanamide chemical structure, C21H21N3O7S, CAS 922091-82-5
N-(5-(Benzo[d][1,3]dioxol-5-ylmethyl)-1,3,4-oxadiazol-2-yl)-4-((4-methoxyphenyl)sulfonyl)butanamide
CAS 922091-82-5C21H21N3O7S

Frequently asked questions

What is the molar mass of C21H21N3O7S?

The molar mass of C21H21N3O7S is 459.47 g/mol, calculated from standard atomic weights for 21 carbon atoms, 21 hydrogen atoms, 3 nitrogen atoms, 7 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 459.1100 Da.

How many compounds have the formula C21H21N3O7S?

CompoundList lists 6 compounds with the molecular formula C21H21N3O7S, including N-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)-2-((5-(3,4,5-trimethoxyphenyl)-1,3,4-oxadiazol-2-yl)thio)acetamide, 4-[(2,5-Dioxo-1-phenylpyrrolidin-3-yl)(4-sulfamoylbenzyl)amino]-4-oxobutanoic acid, Methyl 2-({4-[(4,6-dimethoxy-2-pyrimidinyl)oxy]-2-methylanilino}sulfonyl)benzenecarboxylate. 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 C21H21N3O7S?

C21H21N3O7S has a degree of unsaturation of 13. 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.