CompoundList
Sign in
Molecular formula

C21H27NO

114 compounds have this formula on CompoundList.

Molar mass
309.45g/mol
Monoisotopic mass
319.2720Da
Atoms
50
Elements
4
Rings plus double bonds
9

The formula C21H27NO describes a molecule made of 21 carbon atoms, 27 hydrogen atoms, 1 nitrogen atom and 1 oxygen 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 × 2181.51%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 278.79%
    1.008 × 27 = 27.216 g/mol
  • N Nitrogen × 14.53%
    14.007 × 1 = 14.007 g/mol
  • O Oxygen × 15.17%
    15.999 × 1 = 15.999 g/mol
Look up another formula

Compounds with the formula C21H27NO

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

Showing 101 to 114 of 114 compounds

7-[Benzyl(methyl)amino]-1-phenylheptan-3-one chemical structure, C21H27NO, CAS 918648-49-4
7-[Benzyl(methyl)amino]-1-phenylheptan-3-one
CAS 918648-49-4C21H27NO
trans-N,N-Dibenzyl-4-methoxy-cyclohexanamine chemical structure, C21H27NO, CAS 1307845-09-5
trans-N,N-Dibenzyl-4-methoxy-cyclohexanamine
CAS 1307845-09-5C21H27NO
1-(4-Butylphenyl)-3-(2,5-dimethylanilino)propan-1-one chemical structure, C21H27NO, CAS 1283988-67-9
1-(4-Butylphenyl)-3-(2,5-dimethylanilino)propan-1-one
CAS 1283988-67-9C21H27NO
4-(Dimethylamino)-2-methyl-1-[2-(2-phenylethyl)phenyl]-1-butanone chemical structure, C21H27NO, CAS 39500-58-8
4-(Dimethylamino)-2-methyl-1-[2-(2-phenylethyl)phenyl]-1-butanone
CAS 39500-58-8C21H27NO
2,6-Ditert-butyl-4-(2-pyridin-3-ylethenyl)phenol chemical structure, C21H27NO, CAS 115816-05-2
2,6-Ditert-butyl-4-(2-pyridin-3-ylethenyl)phenol
CAS 115816-05-2C21H27NO
1,2-Dibenzyl-3,4-dimethylpiperidin-3-ol chemical structure, C21H27NO, CAS 63482-37-1
1,2-Dibenzyl-3,4-dimethylpiperidin-3-ol
CAS 63482-37-1C21H27NO
2-Methyl-1-(3-phenoxy-3-phenylpropyl)piperidine chemical structure, C21H27NO, CAS 62663-46-1
2-Methyl-1-(3-phenoxy-3-phenylpropyl)piperidine
CAS 62663-46-1C21H27NO
1-[3-(4-Methylphenoxy)-3-phenylpropyl]piperidine chemical structure, C21H27NO, CAS 62663-45-0
1-[3-(4-Methylphenoxy)-3-phenylpropyl]piperidine
CAS 62663-45-0C21H27NO
1-[3-(2-Methylphenoxy)-3-phenylpropyl]piperidine chemical structure, C21H27NO, CAS 62663-44-9
1-[3-(2-Methylphenoxy)-3-phenylpropyl]piperidine
CAS 62663-44-9C21H27NO
1-[3-(3-Methylphenoxy)-3-phenylpropyl]piperidine chemical structure, C21H27NO, CAS 62663-40-5
1-[3-(3-Methylphenoxy)-3-phenylpropyl]piperidine
CAS 62663-40-5C21H27NO
2,2,5-Trimethyl-5-phenyl-1-(1-phenylethoxy)pyrrolidine chemical structure, C21H27NO, CAS 618881-90-6
2,2,5-Trimethyl-5-phenyl-1-(1-phenylethoxy)pyrrolidine
CAS 618881-90-6C21H27NO
(4-Nonylphenyl)(pyridin-3-yl)methanone chemical structure, C21H27NO, CAS 61780-13-0
(4-Nonylphenyl)(pyridin-3-yl)methanone
CAS 61780-13-0C21H27NO
4-Ethoxy-4-phenyl-1-(2-phenylethyl)piperidine chemical structure, C21H27NO, CAS 71-89-6
4-Ethoxy-4-phenyl-1-(2-phenylethyl)piperidine
CAS 71-89-6C21H27NO
1-(Phenylmethyl)-4-(4-propylphenyl)-4-piperidinol chemical structure, C21H27NO, CAS 1949781-75-2
1-(Phenylmethyl)-4-(4-propylphenyl)-4-piperidinol
CAS 1949781-75-2C21H27NO

Frequently asked questions

What is the molar mass of C21H27NO?

The molar mass of C21H27NO is 309.45 g/mol, calculated from standard atomic weights for 21 carbon atoms, 27 hydrogen atoms, 1 nitrogen atom and 1 oxygen atom. The monoisotopic mass is 319.2720 Da.

How many compounds have the formula C21H27NO?

CompoundList lists 114 compounds with the molecular formula C21H27NO, including 7-[Benzyl(methyl)amino]-1-phenylheptan-3-one, trans-N,N-Dibenzyl-4-methoxy-cyclohexanamine, 1-(4-Butylphenyl)-3-(2,5-dimethylanilino)propan-1-one. 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 C21H27NO?

C21H27NO has a degree of unsaturation of 9. 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.