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Molecular formula

C21H32O

31 compounds have this formula on CompoundList.

Molar mass
300.49g/mol
Monoisotopic mass
304.2518Da
Atoms
54
Elements
3
Rings plus double bonds
6

The formula C21H32O describes a molecule made of 21 carbon atoms, 32 hydrogen atoms 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 × 2183.94%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 3210.73%
    1.008 × 32 = 32.256 g/mol
  • O Oxygen × 15.32%
    15.999 × 1 = 15.999 g/mol
Look up another formula

Compounds with the formula C21H32O

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

Showing 1 to 31 of 31 compounds

Allylestrenol chemical structure, C21H32O, CAS 432-60-0
Allylestrenol
CAS 432-60-0C21H32O
5alpha-Pregn-2-en-20-one chemical structure, C21H32O, CAS 969-72-2
5alpha-Pregn-2-en-20-one
CAS 969-72-2C21H32O
Retinyl methyl ether chemical structure, C21H32O, CAS 32450-56-9
Retinyl methyl ether
CAS 32450-56-9C21H32O
3-(8Z,11Z)-8,11-Pentadecadien-1-ylphenol chemical structure, C21H32O, CAS 51546-63-5
3-(8Z,11Z)-8,11-Pentadecadien-1-ylphenol
CAS 51546-63-5C21H32O
(4aS,10aS)-6-Methoxy-1,1,4a-trimethyl-7-propan-2-yl-2,3,4,9,10,10a-hexahydrophenanthrene chemical structure, C21H32O, CAS 64199-80-0
(4aS,10aS)-6-Methoxy-1,1,4a-trimethyl-7-propan-2-yl-2,3,4,9,10,10a-hexahydrophenanthrene
CAS 64199-80-0C21H32O
Pregn-4-en-3-one chemical structure, C21H32O, CAS 1232-18-4
Pregn-4-en-3-one
CAS 1232-18-4C21H32O
Pregnadienol chemical structure, C21H32O, CAS 21321-88-0
Pregnadienol
CAS 21321-88-0C21H32O
Phenol, 3-(8,11-pentadecadienyl)- chemical structure, C21H32O, CAS 31910-56-2
Phenol, 3-(8,11-pentadecadienyl)-
CAS 31910-56-2C21H32O
3-(Pentadeca-1,3-dien-1-yl)phenol chemical structure, C21H32O, CAS 50985-45-0
3-(Pentadeca-1,3-dien-1-yl)phenol
CAS 50985-45-0C21H32O
Phenanthrene, 1,2,3,4,4a,9,10,10a-octahydro-7-methoxy-1,1,4a-trimethyl-8-(1-methylethyl)-, (4aS,10aS)- chemical structure, C21H32O, CAS 15340-83-7
Phenanthrene, 1,2,3,4,4a,9,10,10a-octahydro-7-methoxy-1,1,4a-trimethyl-8-(1-methylethyl)-, (4aS,10aS)-
CAS 15340-83-7C21H32O
15-Methyl retinol chemical structure, C21H32O, CAS 67517-42-4
15-Methyl retinol
CAS 67517-42-4C21H32O
Phenol, 4-(4'-propyl[1,1'-bicyclohexyl]-4-yl)- chemical structure, C21H32O, CAS 498531-56-9
Phenol, 4-(4'-propyl[1,1'-bicyclohexyl]-4-yl)-
CAS 498531-56-9C21H32O
2bcHMeOP chemical structure, C21H32O, CAS 3052150-37-2
2bcHMeOP
CAS 3052150-37-2C21H32O
Ethanone, 1-[4-(4-heptylcyclohexyl)phenyl]-, trans- chemical structure, C21H32O, CAS 78531-60-9
Ethanone, 1-[4-(4-heptylcyclohexyl)phenyl]-, trans-
CAS 78531-60-9C21H32O
Pregna-5,17(20)-dien-3beta-ol, (E)- chemical structure, C21H32O, CAS 1159-25-7
Pregna-5,17(20)-dien-3beta-ol, (E)-
CAS 1159-25-7C21H32O
(3R,5R,8S,10S,13S,14S,Z)-17-Ethylidene-10,13-dimethyl-2,3,4,5,6,7,8,10,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[A]phenanthren-3-ol chemical structure, C21H32O, CAS 1093397-66-0
(3R,5R,8S,10S,13S,14S,Z)-17-Ethylidene-10,13-dimethyl-2,3,4,5,6,7,8,10,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[A]phenanthren-3-ol
CAS 1093397-66-0C21H32O
3,17-Dimethylandrosta-3,5-dien-17-ol chemical structure, C21H32O, CAS 60397-49-1
3,17-Dimethylandrosta-3,5-dien-17-ol
CAS 60397-49-1C21H32O
1-Phenyl-4-(4-propylcyclohexyl)cyclohexan-1-ol chemical structure, C21H32O, CAS 85547-08-6
1-Phenyl-4-(4-propylcyclohexyl)cyclohexan-1-ol
CAS 85547-08-6C21H32O
7-(4-Octylphenyl)hept-5-YN-1-ol chemical structure, C21H32O, CAS 88255-16-7
7-(4-Octylphenyl)hept-5-YN-1-ol
CAS 88255-16-7C21H32O
(8R,9R,10S,13S,14S)-2-Allyl-13-methyl-4,5,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-ol chemical structure, C21H32O, CAS 1105693-07-9
(8R,9R,10S,13S,14S)-2-Allyl-13-methyl-4,5,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-ol
CAS 1105693-07-9C21H32O
DA5Kee8ncb chemical structure, C21H32O, CAS 2118-31-2
DA5Kee8ncb
CAS 2118-31-2C21H32O
[3,5-Bis(1,1-dimethylethyl)phenyl]cyclohexylmethanone chemical structure, C21H32O, CAS 180740-67-4
[3,5-Bis(1,1-dimethylethyl)phenyl]cyclohexylmethanone
CAS 180740-67-4C21H32O
(5S,8R,9S,10S,13S,14S,17R)-17-Ethenyl-10,13-dimethyl-1,4,5,6,7,8,9,11,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-17-ol chemical structure, C21H32O, CAS 3663-07-8
(5S,8R,9S,10S,13S,14S,17R)-17-Ethenyl-10,13-dimethyl-1,4,5,6,7,8,9,11,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-17-ol
CAS 3663-07-8C21H32O
(2R,5S,8R,9S,10S)-2,10,17,17-Tetramethyl-1,2,4,5,6,7,8,9,11,12,15,16-dodecahydrocyclopenta[a]phenanthren-3-one chemical structure, C21H32O, CAS 1971-61-5
(2R,5S,8R,9S,10S)-2,10,17,17-Tetramethyl-1,2,4,5,6,7,8,9,11,12,15,16-dodecahydrocyclopenta[a]phenanthren-3-one
CAS 1971-61-5C21H32O

Frequently asked questions

What is the molar mass of C21H32O?

The molar mass of C21H32O is 300.49 g/mol, calculated from standard atomic weights for 21 carbon atoms, 32 hydrogen atoms and 1 oxygen atom. The monoisotopic mass is 304.2518 Da.

How many compounds have the formula C21H32O?

CompoundList lists 31 compounds with the molecular formula C21H32O, including Allylestrenol, 5alpha-Pregn-2-en-20-one, Retinyl methyl ether. 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 C21H32O?

C21H32O has a degree of unsaturation of 6. 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.