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Molecular formula

C21H21NO7S

8 compounds have this formula on CompoundList.

Molar mass
431.46g/mol
Monoisotopic mass
431.1039Da
Atoms
51
Elements
5
Rings plus double bonds
12

The formula C21H21NO7S describes a molecule made of 21 carbon atoms, 21 hydrogen atoms, 1 nitrogen atom, 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 × 2158.46%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 214.91%
    1.008 × 21 = 21.168 g/mol
  • N Nitrogen × 13.25%
    14.007 × 1 = 14.007 g/mol
  • O Oxygen × 725.96%
    15.999 × 7 = 111.993 g/mol
  • S Sulfur × 17.43%
    32.06 × 1 = 32.060 g/mol
Look up another formula

Compounds with the formula C21H21NO7S

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

Showing 1 to 8 of 8 compounds

Tetrahydro-2-oxo-3-furanyl 3-[[(2-methoxyphenyl)-2-propen-1-ylamino]sulfonyl]benzoate chemical structure, C21H21NO7S, CAS 750641-07-7
Tetrahydro-2-oxo-3-furanyl 3-[[(2-methoxyphenyl)-2-propen-1-ylamino]sulfonyl]benzoate
CAS 750641-07-7C21H21NO7S
(7-Methoxy-2-oxo-2H-1-benzopyran-4-yl)methyl N-(3,4-dimethylbenzene-1-sulfonyl)glycinate chemical structure, C21H21NO7S, CAS 5713-82-6
(7-Methoxy-2-oxo-2H-1-benzopyran-4-yl)methyl N-(3,4-dimethylbenzene-1-sulfonyl)glycinate
CAS 5713-82-6C21H21NO7S
Ethyl 5-{acetyl[(4-methoxyphenyl)sulfonyl]amino}-2-methyl-1-benzofuran-3-carboxylate chemical structure, C21H21NO7S, CAS 518318-71-3
Ethyl 5-{acetyl[(4-methoxyphenyl)sulfonyl]amino}-2-methyl-1-benzofuran-3-carboxylate
CAS 518318-71-3C21H21NO7S
3-[1-(4-Acetyl-benzenesulfonyl)-5,6-dimethoxy-1H-indol-3-yl]-propionic acid chemical structure, C21H21NO7S, CAS 929256-00-8
3-[1-(4-Acetyl-benzenesulfonyl)-5,6-dimethoxy-1H-indol-3-yl]-propionic acid
CAS 929256-00-8C21H21NO7S
rac-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2-[(3R,4R)-4-hydroxy-1,1-dioxo-1lambda6-thiolan-3-yl]acetic acid chemical structure, C21H21NO7S, CAS 2138579-10-7
rac-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2-[(3R,4R)-4-hydroxy-1,1-dioxo-1lambda6-thiolan-3-yl]acetic acid
CAS 2138579-10-7C21H21NO7S
2-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-2-(4-hydroxy-1,1-dioxo-1lambda6-thiolan-3-yl)acetic acid chemical structure, C21H21NO7S, CAS 2157051-78-8
2-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-2-(4-hydroxy-1,1-dioxo-1lambda6-thiolan-3-yl)acetic acid
CAS 2157051-78-8C21H21NO7S
rac-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}[(3R,4R)-4-hydroxy-1,1-dioxo-1lambda6-thiolan-3-yl]amino)acetic acid chemical structure, C21H21NO7S, CAS 2580092-05-1
rac-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}[(3R,4R)-4-hydroxy-1,1-dioxo-1lambda6-thiolan-3-yl]amino)acetic acid
CAS 2580092-05-1C21H21NO7S
rac-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}[(3R,4S)-4-hydroxy-1,1-dioxo-1lambda6-thiolan-3-yl]amino)acetic acid chemical structure, C21H21NO7S, CAS 2580098-57-1
rac-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}[(3R,4S)-4-hydroxy-1,1-dioxo-1lambda6-thiolan-3-yl]amino)acetic acid
CAS 2580098-57-1C21H21NO7S

Frequently asked questions

What is the molar mass of C21H21NO7S?

The molar mass of C21H21NO7S is 431.46 g/mol, calculated from standard atomic weights for 21 carbon atoms, 21 hydrogen atoms, 1 nitrogen atom, 7 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 431.1039 Da.

How many compounds have the formula C21H21NO7S?

CompoundList lists 8 compounds with the molecular formula C21H21NO7S, including Tetrahydro-2-oxo-3-furanyl 3-[[(2-methoxyphenyl)-2-propen-1-ylamino]sulfonyl]benzoate, (7-Methoxy-2-oxo-2H-1-benzopyran-4-yl)methyl N-(3,4-dimethylbenzene-1-sulfonyl)glycinate, Ethyl 5-{acetyl[(4-methoxyphenyl)sulfonyl]amino}-2-methyl-1-benzofuran-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 C21H21NO7S?

C21H21NO7S has a degree of unsaturation of 12. 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.