CompoundList
Sign in
Molecular formula

C21H23NO4

409 compounds have this formula on CompoundList.

Molar mass
353.42g/mol
Monoisotopic mass
363.2255Da
Atoms
49
Elements
4
Rings plus double bonds
11

The formula C21H23NO4 describes a molecule made of 21 carbon atoms, 23 hydrogen atoms, 1 nitrogen atom and 4 oxygen 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 × 2171.37%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 236.56%
    1.008 × 23 = 23.184 g/mol
  • N Nitrogen × 13.96%
    14.007 × 1 = 14.007 g/mol
  • O Oxygen × 418.11%
    15.999 × 4 = 63.996 g/mol
Look up another formula

Compounds with the formula C21H23NO4

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

Showing 401 to 409 of 409 compounds

2-Methylpropyl (2S,4S)-2-[1,1 inverted exclamation marka-biphenyl]-4-yl-4-methyl-5-oxo-3-oxazolidinecarboxylate chemical structure, C21H23NO4, CAS 346577-99-9
2-Methylpropyl (2S,4S)-2-[1,1 inverted exclamation marka-biphenyl]-4-yl-4-methyl-5-oxo-3-oxazolidinecarboxylate
CAS 346577-99-9C21H23NO4
Benzyl 3-(3,4-dimethylphenoxy)-4-oxopiperidine-1-carboxylate chemical structure, C21H23NO4, CAS 66208-06-8
Benzyl 3-(3,4-dimethylphenoxy)-4-oxopiperidine-1-carboxylate
CAS 66208-06-8C21H23NO4
(2S)-2-(9H-Fluoren-9-ylmethoxycarbonyl(15N)amino)(1,2,3,4,5,6-13C6)hexanoic acid chemical structure, C21H23NO4, CAS 1346617-52-4
(2S)-2-(9H-Fluoren-9-ylmethoxycarbonyl(15N)amino)(1,2,3,4,5,6-13C6)hexanoic acid
CAS 1346617-52-4C21H23NO4
3-(3,4-Dimethoxyphenyl)-1-(4-morpholinyl)-3-phenyl-2-propen-1-one chemical structure, C21H23NO4
3-(3,4-Dimethoxyphenyl)-1-(4-morpholinyl)-3-phenyl-2-propen-1-one
C21H23NO4
Benzyl (2R,4S)-4-[(3-methoxycarbonylphenyl)methyl]pyrrolidine-2-carboxylate chemical structure, C21H23NO4, CAS 2649491-12-1
Benzyl (2R,4S)-4-[(3-methoxycarbonylphenyl)methyl]pyrrolidine-2-carboxylate
CAS 2649491-12-1C21H23NO4
(E)-3-(3,4-Dimethoxyphenyl)-1-morpholin-4-yl-3-phenylprop-2-en-1-one chemical structure, C21H23NO4
(E)-3-(3,4-Dimethoxyphenyl)-1-morpholin-4-yl-3-phenylprop-2-en-1-one
C21H23NO4
rac-Benzyl N-[(1R,2S,3S,4S,5S,6R)-5,6-dihydroxy-3-phenylbicyclo[2.2.1]heptan-2-yl]carbamate chemical structure, C21H23NO4, CAS 2679807-11-3
rac-Benzyl N-[(1R,2S,3S,4S,5S,6R)-5,6-dihydroxy-3-phenylbicyclo[2.2.1]heptan-2-yl]carbamate
CAS 2679807-11-3C21H23NO4
(5S)-5-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)hexanoic acid chemical structure, C21H23NO4, CAS 188689-68-1
(5S)-5-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)hexanoic acid
CAS 188689-68-1C21H23NO4
2-[4-[Cyclopentyl(ethyl)amino]-2-hydroxybenzoyl]benzoic acid chemical structure, C21H23NO4, CAS 93205-19-7
2-[4-[Cyclopentyl(ethyl)amino]-2-hydroxybenzoyl]benzoic acid
CAS 93205-19-7C21H23NO4

Frequently asked questions

What is the molar mass of C21H23NO4?

The molar mass of C21H23NO4 is 353.42 g/mol, calculated from standard atomic weights for 21 carbon atoms, 23 hydrogen atoms, 1 nitrogen atom and 4 oxygen atoms. The monoisotopic mass is 363.2255 Da.

How many compounds have the formula C21H23NO4?

CompoundList lists 409 compounds with the molecular formula C21H23NO4, including 2-Methylpropyl (2S,4S)-2-[1,1 inverted exclamation marka-biphenyl]-4-yl-4-methyl-5-oxo-3-oxazolidinecarboxylate, Benzyl 3-(3,4-dimethylphenoxy)-4-oxopiperidine-1-carboxylate, (2S)-2-(9H-Fluoren-9-ylmethoxycarbonyl(15N)amino)(1,2,3,4,5,6-13C6)hexanoic acid. 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 C21H23NO4?

C21H23NO4 has a degree of unsaturation of 11. 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.