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Molecular formula

C18H28O2

148 compounds have this formula on CompoundList.

Molar mass
276.42g/mol
Monoisotopic mass
281.2403Da
Atoms
48
Elements
3
Rings plus double bonds
5

The formula C18H28O2 describes a molecule made of 18 carbon atoms, 28 hydrogen atoms and 2 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 × 1878.21%
    12.011 × 18 = 216.198 g/mol
  • H Hydrogen × 2810.21%
    1.008 × 28 = 28.224 g/mol
  • O Oxygen × 211.58%
    15.999 × 2 = 31.998 g/mol
Look up another formula

Compounds with the formula C18H28O2

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

Showing 101 to 148 of 148 compounds

Methyl 10-phenylundecanoate chemical structure, C18H28O2, CAS 6268-53-7
Methyl 10-phenylundecanoate
CAS 6268-53-7C18H28O2
(4aR,4bS,6aS,9aS,9bS,11aR)-4a,6a-Dimethyltetradecahydroindeno[5,4-f]chromen-2(3H)-one chemical structure, C18H28O2, CAS 5821-13-6
(4aR,4bS,6aS,9aS,9bS,11aR)-4a,6a-Dimethyltetradecahydroindeno[5,4-f]chromen-2(3H)-one
CAS 5821-13-6C18H28O2
Ethyl 2-butyl-2-phenylhexanoate chemical structure, C18H28O2, CAS 2901-15-7
Ethyl 2-butyl-2-phenylhexanoate
CAS 2901-15-7C18H28O2
12-Methoxypodocarpa-8,12-dien-15-ol chemical structure, C18H28O2, CAS 30799-59-8
12-Methoxypodocarpa-8,12-dien-15-ol
CAS 30799-59-8C18H28O2
3-[4-(4-Propylcyclohexyl)phenoxy]propan-1-ol chemical structure, C18H28O2, CAS 104473-60-1
3-[4-(4-Propylcyclohexyl)phenoxy]propan-1-ol
CAS 104473-60-1C18H28O2
3,5-Octadecadiynoic acid chemical structure, C18H28O2, CAS 174063-98-0
3,5-Octadecadiynoic acid
CAS 174063-98-0C18H28O2
(3beta,17alpha)-Estr-4-ene-3,17-diol chemical structure, C18H28O2, CAS 64013-72-5
(3beta,17alpha)-Estr-4-ene-3,17-diol
CAS 64013-72-5C18H28O2
9-Decen-2-ynoic acid, 4-methyl-4-(4-methyl-3-pentenyl)-, methyl ester chemical structure, C18H28O2, CAS 880499-68-3
9-Decen-2-ynoic acid, 4-methyl-4-(4-methyl-3-pentenyl)-, methyl ester
CAS 880499-68-3C18H28O2
3-Heptanone, 5-(2-hydroxyphenyl)-2,2,5,6,6-pentamethyl- chemical structure, C18H28O2, CAS 61393-24-6
3-Heptanone, 5-(2-hydroxyphenyl)-2,2,5,6,6-pentamethyl-
CAS 61393-24-6C18H28O2
2-(3-Hydroxycyclohexyl)-5-(2-methylpentan-2-yl)phenol chemical structure, C18H28O2
2-(3-Hydroxycyclohexyl)-5-(2-methylpentan-2-yl)phenol
C18H28O2
2H-2,4a-Methanonaphthalene-8-methanol, 1,3,4,5,6,7-hexahydro-1,1,5,5-tetramethyl-, acetate chemical structure, C18H28O2, CAS 59056-61-0
2H-2,4a-Methanonaphthalene-8-methanol, 1,3,4,5,6,7-hexahydro-1,1,5,5-tetramethyl-, acetate
CAS 59056-61-0C18H28O2
6-[(3,7-Dimethyloctyl)oxy]-2,3-dihydro-1-benzofuran chemical structure, C18H28O2, CAS 51079-67-5
6-[(3,7-Dimethyloctyl)oxy]-2,3-dihydro-1-benzofuran
CAS 51079-67-5C18H28O2
1,3-Di-tert-butyl-2-[2-(ethenyloxy)ethoxy]benzene chemical structure, C18H28O2, CAS 249562-81-0
1,3-Di-tert-butyl-2-[2-(ethenyloxy)ethoxy]benzene
CAS 249562-81-0C18H28O2
tert-Butyl 3-methyl-2-(p-tolyl)hexanoate chemical structure, C18H28O2, CAS 1191412-39-1
tert-Butyl 3-methyl-2-(p-tolyl)hexanoate
CAS 1191412-39-1C18H28O2
5-Methyl-2-(1-methylethyl)phenyl ester octanoic acid chemical structure, C18H28O2, CAS 855371-62-9
5-Methyl-2-(1-methylethyl)phenyl ester octanoic acid
CAS 855371-62-9C18H28O2
4-tert-Butylphenyl octanoate chemical structure, C18H28O2, CAS 105613-50-1
4-tert-Butylphenyl octanoate
CAS 105613-50-1C18H28O2
4-[(But-3-en-1-yl)oxy]-2,6-di-tert-butylphenol chemical structure, C18H28O2, CAS 660410-33-3
4-[(But-3-en-1-yl)oxy]-2,6-di-tert-butylphenol
CAS 660410-33-3C18H28O2
4-(2,6-Di-tert-butyl-4-hydroxyphenyl)butan-2-one chemical structure, C18H28O2, CAS 63880-80-8
4-(2,6-Di-tert-butyl-4-hydroxyphenyl)butan-2-one
CAS 63880-80-8C18H28O2
Octadeca-8,11,14,17-tetraenoic acid chemical structure, C18H28O2, CAS 85589-32-8
Octadeca-8,11,14,17-tetraenoic acid
CAS 85589-32-8C18H28O2
(1R,3aR,7aR)-1-((2R,5S,E)-5-Cyclopropyl-5-hydroxypent-3-en-2-yl)-7a-methyloctahydro-4H-inden-4-one chemical structure, C18H28O2, CAS 2106840-41-7
(1R,3aR,7aR)-1-((2R,5S,E)-5-Cyclopropyl-5-hydroxypent-3-en-2-yl)-7a-methyloctahydro-4H-inden-4-one
CAS 2106840-41-7C18H28O2
Propyl 3-methyl-5-(2,6,6-trimethyl-1-cyclohexen-1-yl)-2,4-pentadienoate chemical structure, C18H28O2, CAS 22326-60-9
Propyl 3-methyl-5-(2,6,6-trimethyl-1-cyclohexen-1-yl)-2,4-pentadienoate
CAS 22326-60-9C18H28O2
4-[(Adamantan-1-yl)methyl]-2-ethoxy-3,4-dihydro-2H-pyran chemical structure, C18H28O2, CAS 29910-93-8
4-[(Adamantan-1-yl)methyl]-2-ethoxy-3,4-dihydro-2H-pyran
CAS 29910-93-8C18H28O2
4,7-Di-tert-butyl-2-ethyl-2-methyl-2H-1,3-benzodioxole chemical structure, C18H28O2, CAS 51786-57-3
4,7-Di-tert-butyl-2-ethyl-2-methyl-2H-1,3-benzodioxole
CAS 51786-57-3C18H28O2
1-(2-Methoxyphenyl)-4,8-dimethylnon-7-en-4-ol chemical structure, C18H28O2, CAS 38011-78-8
1-(2-Methoxyphenyl)-4,8-dimethylnon-7-en-4-ol
CAS 38011-78-8C18H28O2

Frequently asked questions

What is the molar mass of C18H28O2?

The molar mass of C18H28O2 is 276.42 g/mol, calculated from standard atomic weights for 18 carbon atoms, 28 hydrogen atoms and 2 oxygen atoms. The monoisotopic mass is 281.2403 Da.

How many compounds have the formula C18H28O2?

CompoundList lists 148 compounds with the molecular formula C18H28O2, including Methyl 10-phenylundecanoate, (4aR,4bS,6aS,9aS,9bS,11aR)-4a,6a-Dimethyltetradecahydroindeno[5,4-f]chromen-2(3H)-one, Ethyl 2-butyl-2-phenylhexanoate. 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 C18H28O2?

C18H28O2 has a degree of unsaturation of 5. 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.