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Molecular formula

C18H26O2

125 compounds have this formula on CompoundList.

Molar mass
274.40g/mol
Monoisotopic mass
280.2309Da
Atoms
46
Elements
3
Rings plus double bonds
6

The formula C18H26O2 describes a molecule made of 18 carbon atoms, 26 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 × 1878.79%
    12.011 × 18 = 216.198 g/mol
  • H Hydrogen × 269.55%
    1.008 × 26 = 26.208 g/mol
  • O Oxygen × 211.66%
    15.999 × 2 = 31.998 g/mol
Look up another formula

Compounds with the formula C18H26O2

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

Showing 101 to 125 of 125 compounds

5-Heptanoyl-1,3,3-trimethylbicyclo[2.2.2]octa-5,7-dien-2-one chemical structure, C18H26O2, CAS 89879-40-3
5-Heptanoyl-1,3,3-trimethylbicyclo[2.2.2]octa-5,7-dien-2-one
CAS 89879-40-3C18H26O2
5-Methoxy-2,2,4-trimethyl-7-pentyl-2H-1-benzopyran chemical structure, C18H26O2, CAS 63585-80-8
5-Methoxy-2,2,4-trimethyl-7-pentyl-2H-1-benzopyran
CAS 63585-80-8C18H26O2
2-(4-Methoxy-3-methylphenyl)-5,5,6-trimethylbicyclo[2.2.1]heptan-2-ol chemical structure, C18H26O2, CAS 63779-23-7
2-(4-Methoxy-3-methylphenyl)-5,5,6-trimethylbicyclo[2.2.1]heptan-2-ol
CAS 63779-23-7C18H26O2
6-tert-Butyl-2-phenyl-1,4-dioxaspiro[4.5]decane chemical structure, C18H26O2, CAS 62674-08-2
6-tert-Butyl-2-phenyl-1,4-dioxaspiro[4.5]decane
CAS 62674-08-2C18H26O2
9-Methyl-2-phenyl-6-(propan-2-yl)-1,4-dioxaspiro[4.5]decane chemical structure, C18H26O2, CAS 62674-04-8
9-Methyl-2-phenyl-6-(propan-2-yl)-1,4-dioxaspiro[4.5]decane
CAS 62674-04-8C18H26O2
Octadeca-7,9,12-trien-5-ynoic acid chemical structure, C18H26O2, CAS 76152-32-4
Octadeca-7,9,12-trien-5-ynoic acid
CAS 76152-32-4C18H26O2
1-(4-Hydroxyphenyl)dodec-4-EN-3-one chemical structure, C18H26O2, CAS 896734-16-0
1-(4-Hydroxyphenyl)dodec-4-EN-3-one
CAS 896734-16-0C18H26O2
1-(Benzyloxy)-3-cyclohexyl-3-methylbutan-2-one chemical structure, C18H26O2, CAS 834905-91-8
1-(Benzyloxy)-3-cyclohexyl-3-methylbutan-2-one
CAS 834905-91-8C18H26O2
4-(1-Hydroxy-3-phenylpropyl)non-4-en-3-one chemical structure, C18H26O2, CAS 918138-97-3
4-(1-Hydroxy-3-phenylpropyl)non-4-en-3-one
CAS 918138-97-3C18H26O2
3-[(2R)-2-Ethoxy-2-phenylethyl]-3-methylhept-6-en-2-one chemical structure, C18H26O2, CAS 917985-10-5
3-[(2R)-2-Ethoxy-2-phenylethyl]-3-methylhept-6-en-2-one
CAS 917985-10-5C18H26O2
5,6,7,8-Tetraethyl-4a,5,8,8a-tetrahydronaphthalene-1,4-dione chemical structure, C18H26O2, CAS 929218-00-8
5,6,7,8-Tetraethyl-4a,5,8,8a-tetrahydronaphthalene-1,4-dione
CAS 929218-00-8C18H26O2
(1S,3aS,3bS,9bS,11aS)-1-Hydroxy-11a-methyl-1,2,3,3a,3b,4,5,6,8,9,9b,10,11,11a-tetradecahydro-7H-cyclopenta[a]phenanthren-7-one chemical structure, C18H26O2, CAS 2919-37-1
(1S,3aS,3bS,9bS,11aS)-1-Hydroxy-11a-methyl-1,2,3,3a,3b,4,5,6,8,9,9b,10,11,11a-tetradecahydro-7H-cyclopenta[a]phenanthren-7-one
CAS 2919-37-1C18H26O2
(3S,5S,8R,9S,10R,13S,14S)-3-Hydroxy-13-methyl-4,5,6,7,8,9,10,11,12,14,15,16-dodecahydro-3H-cyclopenta[a]phenanthren-17-one chemical structure, C18H26O2, CAS 1173997-84-6
(3S,5S,8R,9S,10R,13S,14S)-3-Hydroxy-13-methyl-4,5,6,7,8,9,10,11,12,14,15,16-dodecahydro-3H-cyclopenta[a]phenanthren-17-one
CAS 1173997-84-6C18H26O2
8-[4-(tert-Butyl)phenyl]-1,4-dioxaspiro[4.5]decane chemical structure, C18H26O2, CAS 2139434-61-8
8-[4-(tert-Butyl)phenyl]-1,4-dioxaspiro[4.5]decane
CAS 2139434-61-8C18H26O2
(1R,3aS,3bR,9aR,9bR,11aS)-1-Hydroxy-11a-methyl-1,2,3,3a,3b,4,5,8,9,9a,9b,10,11,11a-tetradecahydro-7H-cyclopenta[a]phenanthren-7-one chemical structure, C18H26O2, CAS 20708-80-9
(1R,3aS,3bR,9aR,9bR,11aS)-1-Hydroxy-11a-methyl-1,2,3,3a,3b,4,5,8,9,9a,9b,10,11,11a-tetradecahydro-7H-cyclopenta[a]phenanthren-7-one
CAS 20708-80-9C18H26O2
(1R,3aR,3bS,9bR,11aR)-1-Hydroxy-11a-methyl-1,2,3,3a,3b,4,5,6,8,9,9b,10,11,11a-tetradecahydro-7H-cyclopenta[a]phenanthren-7-one chemical structure, C18H26O2, CAS 4019-93-6
(1R,3aR,3bS,9bR,11aR)-1-Hydroxy-11a-methyl-1,2,3,3a,3b,4,5,6,8,9,9b,10,11,11a-tetradecahydro-7H-cyclopenta[a]phenanthren-7-one
CAS 4019-93-6C18H26O2
rac Galaxolidone Lactol chemical structure, C18H26O2, CAS 946845-14-3
rac Galaxolidone Lactol
CAS 946845-14-3C18H26O2
3,5-Di-tert-butyl-4-vinylphenyl acetate chemical structure, C18H26O2, CAS 1802341-92-9
3,5-Di-tert-butyl-4-vinylphenyl acetate
CAS 1802341-92-9C18H26O2
1,9-Heptadecadiene-4,6-diyn-8-ol, 3-methoxy-, (R-(R*,S*-(Z)))- chemical structure, C18H26O2, CAS 84743-55-5
1,9-Heptadecadiene-4,6-diyn-8-ol, 3-methoxy-, (R-(R*,S*-(Z)))-
CAS 84743-55-5C18H26O2
2-Penten-1-ol, 5-(2-(phenylmethoxy)cyclohexyl)-, (1alpha(E),2beta)- chemical structure, C18H26O2, CAS 101859-43-2
2-Penten-1-ol, 5-(2-(phenylmethoxy)cyclohexyl)-, (1alpha(E),2beta)-
CAS 101859-43-2C18H26O2
Cyclohexanol, 2-(3-methyl-4-(phenylmethoxy)-2-butenyl)-, (1alpa,2beta(E))- chemical structure, C18H26O2, CAS 101859-57-8
Cyclohexanol, 2-(3-methyl-4-(phenylmethoxy)-2-butenyl)-, (1alpa,2beta(E))-
CAS 101859-57-8C18H26O2
1-(((3,7-Dimethylocta-2,6-dien-1-yl)oxy)methyl)-4-methoxybenzene chemical structure, C18H26O2, CAS 82529-81-5
1-(((3,7-Dimethylocta-2,6-dien-1-yl)oxy)methyl)-4-methoxybenzene
CAS 82529-81-5C18H26O2
13c2-17beta-Nandrolone chemical structure, C18H26O2, CAS 82952-73-6
13c2-17beta-Nandrolone
CAS 82952-73-6C18H26O2
Eldecalcitol impurity 32 chemical structure, C18H26O2, CAS 2106839-39-6
Eldecalcitol impurity 32
CAS 2106839-39-6C18H26O2

Frequently asked questions

What is the molar mass of C18H26O2?

The molar mass of C18H26O2 is 274.40 g/mol, calculated from standard atomic weights for 18 carbon atoms, 26 hydrogen atoms and 2 oxygen atoms. The monoisotopic mass is 280.2309 Da.

How many compounds have the formula C18H26O2?

CompoundList lists 125 compounds with the molecular formula C18H26O2, including 5-Heptanoyl-1,3,3-trimethylbicyclo[2.2.2]octa-5,7-dien-2-one, 5-Methoxy-2,2,4-trimethyl-7-pentyl-2H-1-benzopyran, 2-(4-Methoxy-3-methylphenyl)-5,5,6-trimethylbicyclo[2.2.1]heptan-2-ol. 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 C18H26O2?

C18H26O2 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.