Molecular formula
C11H18O
667 compounds have this formula on CompoundList.
- Molar mass
- 166.26g/mol
- Monoisotopic mass
- 166.1358Da
- Atoms
- 30
- Elements
- 3
- Rings plus double bonds
- 3
The formula C11H18O describes a molecule made of 11 carbon atoms, 18 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 × 1179.46%12.011 × 11 = 132.121 g/mol
- H Hydrogen × 1810.91%1.008 × 18 = 18.144 g/mol
- O Oxygen × 19.62%15.999 × 1 = 15.999 g/mol
Look up another formula
Compounds with the formula C11H18O
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 501 to 600 of 667 compounds
![(1-{Bicyclo[2.2.1]heptan-2-yl}cyclopropyl)methanol chemical structure, C11H18O, CAS 1702042-16-7](/s/STVGMUIETAYFCT-UHFFFAOYSA-N.svg)
(1-{Bicyclo[2.2.1]heptan-2-yl}cyclopropyl)methanol
CAS 1702042-16-7C11H18O
3-(4,4-Dimethylcyclohexyl)prop-2-enal
CAS 1882949-24-7C11H18O
1-Cyclopropyl-4-methylcyclohexane-1-carbaldehyde
CAS 1934430-09-7C11H18O
1-Cyclobutyl-2-methylcyclopentane-1-carbaldehyde
CAS 1934394-90-7C11H18O
2-(But-2-yn-1-yl)-1,2-dimethylcyclopentan-1-ol
CAS 1934461-20-7C11H18O
1-Cyclopropyl-3-methylcyclohexane-1-carbaldehyde
CAS 1934469-75-6C11H18O
2-Methyl-1-(2-methylprop-2-en-1-yl)cyclopentane-1-carbaldehyde
CAS 1935141-21-1C11H18O
1-(3-Methylcyclohexyl)cyclopropane-1-carbaldehyde
CAS 1934471-96-1C11H18O
1-(Cyclopentylmethyl)cyclobutane-1-carbaldehyde
CAS 1935136-84-7C11H18O
1-Cyclopropyl-3-ethylcyclopentane-1-carbaldehyde
CAS 1936679-59-2C11H18O
1-(Cyclopropylmethyl)-3-methylcyclopentane-1-carbaldehyde
CAS 1936682-39-1C11H18O
1-(Cyclopropylmethyl)-2-methylcyclopentane-1-carbaldehyde
CAS 1934459-03-6C11H18O
1-Cyclobutyl-3-methylcyclopentane-1-carbaldehyde
CAS 1935249-57-2C11H18O
2-(Cyclohex-2-en-1-yl)-2-methylbutanal
CAS 1936663-22-7C11H18O
1-(But-3-en-2-yl)-3-methylcyclopentane-1-carbaldehyde
CAS 1935401-33-4C11H18O
1-(Cyclohexylmethyl)cyclopropane-1-carbaldehyde
CAS 1934846-59-9C11H18O
1-Cyclopropylcycloheptane-1-carbaldehyde
CAS 1936593-86-0C11H18O
![1-[(1-Methylcyclopentyl)methyl]cyclopropane-1-carbaldehyde chemical structure, C11H18O, CAS 1934500-24-9](/s/HNYLUHBEHQOCOQ-UHFFFAOYSA-N.svg)
1-[(1-Methylcyclopentyl)methyl]cyclopropane-1-carbaldehyde
CAS 1934500-24-9C11H18O
3-Methyl-1-(2-methylprop-2-en-1-yl)cyclopentane-1-carbaldehyde
CAS 1936098-09-7C11H18O
![2-{Bicyclo[2.2.1]heptan-2-yl}-2-methylpropanal chemical structure, C11H18O, CAS 1935620-12-4](/s/WSYHYTGJVIAREM-UHFFFAOYSA-N.svg)
2-{Bicyclo[2.2.1]heptan-2-yl}-2-methylpropanal
CAS 1935620-12-4C11H18O
1-(Cyclobutylmethyl)cyclopentane-1-carbaldehyde
CAS 1935600-16-0C11H18O
2-(But-3-yn-1-yl)-1,2-dimethylcyclopentan-1-ol
CAS 1936257-27-0C11H18O
![2-(Propan-2-yl)bicyclo[2.2.1]heptane-2-carbaldehyde chemical structure, C11H18O, CAS 1935292-90-2](/s/PNGTUIOUZVZYJI-UHFFFAOYSA-N.svg)
2-(Propan-2-yl)bicyclo[2.2.1]heptane-2-carbaldehyde
CAS 1935292-90-2C11H18O
1-Cyclobutylcyclohexane-1-carbaldehyde
CAS 1936088-87-7C11H18O
- 1-Cyclopropyl-2-methylcyclohexane-1-carbaldehyde1936201-81-8C11H18O
- 3-Methyl-1-(prop-2-en-1-yl)cyclohexane-1-carbaldehyde1935502-48-9C11H18O
- 1-(Cyclopropylmethyl)cyclohexane-1-carbaldehyde1936553-11-5C11H18O
- 1-(But-3-en-2-yl)-2-methylcyclopentane-1-carbaldehyde1936655-16-1C11H18O
- 1-(But-2-en-1-yl)-2-methylcyclopentane-1-carbaldehyde1937221-59-4C11H18O
- 4-(1-Methylcyclohexyl)but-3-en-2-one1937231-50-9C11H18O
- 1-(But-2-en-1-yl)-3-methylcyclopentane-1-carbaldehyde1937358-39-8C11H18O
- 2-Methylspiro[4.5]decan-8-one2269476-42-6C11H18O
- 2-Cycloheptylcyclopropane-1-carbaldehyde2060058-41-3C11H18O
- 2-Methyl-6-oxaspiro[4.6]undec-8-ene2059974-44-4C11H18O
- 1-Methyl-6-oxaspiro[4.6]undec-8-ene2059940-34-8C11H18O
- 3-Oxaspiro[bicyclo[5.1.0]octane-4,1'-cyclopentane]2059955-98-3C11H18O
- 2-Cyclohexyl-2-cyclopropyloxirane2248319-49-3C11H18O
- 1-Methylspiro[4.5]decan-8-one2269476-41-5C11H18O
- 4,4-Dimethyl-1-(prop-1-en-1-yl)cyclohex-2-en-1-ol2138834-84-9C11H18O
- 3-Cyclobutyl-4-methylcyclohexan-1-one2138119-44-3C11H18O
- 4-Methyl-3-(2-methylprop-2-en-1-yl)cyclohexan-1-one2138071-00-6C11H18O
- 1-(But-3-en-1-yl)-4-methylcyclohex-2-en-1-ol2138526-54-0C11H18O
- 4-Ethyl-1-(prop-2-en-1-yl)cyclohex-2-en-1-ol2138108-49-1C11H18O
- 3-Cyclopropyl-4,4-dimethylcyclohexan-1-one2138066-62-1C11H18O
- 3-Cyclopropyl-4-ethylcyclohexan-1-one2138573-79-0C11H18O
- 4-Ethyl-1-(prop-1-en-2-yl)cyclohex-2-en-1-ol2138113-07-0C11H18O
- 1-Cyclopropyl-4-ethylcyclohex-2-en-1-ol2138528-19-3C11H18O
- 1-Cyclobutyl-4-methylcyclohex-2-en-1-ol2138046-65-6C11H18O
- 4-Ethyl-1-(prop-1-en-1-yl)cyclohex-2-en-1-ol2138809-59-1C11H18O
- 4,4-Dimethyl-1-(prop-1-en-2-yl)cyclohex-2-en-1-ol2138541-89-4C11H18O
- 1,1,2,2-Tetramethylspiro[2.4]heptan-4-one2168037-47-4C11H18O
- 1-(2-Cyclopropylethyl)-2,2-dimethylcyclopropane-1-carbaldehyde2161502-14-1C11H18O
- 1-[(3,3-Dimethylcyclobutyl)methyl]cyclopropane-1-carbaldehyde2172546-19-7C11H18O
- 1-[(3-Methylcyclobutyl)methyl]cyclobutane-1-carbaldehyde2171870-27-0C11H18O
- 1-(2-Cyclobutylpropyl)cyclopropane-1-carbaldehyde2000094-06-2C11H18O
- 1-[(2-Ethylcyclopropyl)methyl]cyclobutane-1-carbaldehyde2172568-75-9C11H18O
- 1-[(1-Ethylcyclobutyl)methyl]cyclopropane-1-carbaldehyde2004982-49-2C11H18O
- 1-[(2-Methylcyclopropyl)methyl]cyclopentane-1-carbaldehyde2172162-05-7C11H18O
- rac-1-{[(1R,2S)-2-ethylcyclopropyl]methyl}cyclobutane-1-carbaldehyde2227771-06-2C11H18O
- 3-Ethyl-1-(prop-2-en-1-yl)cyclopentane-1-carbaldehyde2028419-76-1C11H18O
- 2,2-Dimethyl-1-[(2-methylcyclopropyl)methyl]cyclopropane-1-carbaldehyde2172252-06-9C11H18O
- 1-(3-Methylbut-3-en-1-yl)cyclopentane-1-carbaldehyde1994181-50-8C11H18O
- rac-(1R,2S)-2-(But-2-yn-1-yl)cycloheptan-1-ol2227682-82-6C11H18O
- 2-(Cyclohex-1-en-1-yl)cyclopentan-1-ol2171979-07-8C11H18O
- 2,2-Dimethyl-1-(3-methylbut-2-en-1-yl)cyclopropane-1-carbaldehyde2158406-40-5C11H18O
- 2-[(Cyclopent-1-en-1-yl)methyl]-2-methylbutanal2017292-46-3C11H18O
- 1-(Cyclobutylmethyl)-2,2-dimethylcyclopropane-1-carbaldehyde2139739-57-2C11H18O
- 1-Cyclopentyl-2,2-dimethylcyclopropane-1-carbaldehyde2156167-46-1C11H18O
- 2-[(Cyclopent-3-en-1-yl)methyl]-2-methylbutanal2171915-29-8C11H18O
- 1-(2-Cyclobutylethyl)cyclobutane-1-carbaldehyde2017285-58-2C11H18O
- rac-(1R,2S)-2-[(Cyclopent-1-en-1-yl)methyl]cyclopentan-1-ol2227709-71-7C11H18O
- 2,2-Dimethyl-1-(3-methylbut-3-en-1-yl)cyclopropane-1-carbaldehyde2153157-57-2C11H18O
- 1-(But-3-en-1-yl)-3-methylcyclopentane-1-carbaldehyde1994823-45-8C11H18O
- 1-(But-3-en-1-yl)-2-methylcyclopentane-1-carbaldehyde2024973-23-5C11H18O
- rac-(1R,2S)-2-[(Cyclopent-3-en-1-yl)methyl]cyclopentan-1-ol2227723-66-0C11H18O
- 2-({Spiro[2.2]pentan-1-yl}methyl)cyclopentan-1-ol2172502-91-7C11H18O
- 2-(But-3-yn-1-yl)-1-methylcyclohexan-1-ol2107708-87-0C11H18O
- 2-(But-2-yn-1-yl)-1-methylcyclohexan-1-ol2110305-57-0C11H18O
- 1-(Pent-4-en-2-yl)cyclopentane-1-carbaldehyde2162572-16-7C11H18O
- 2-Methyl-2-{spiro[3.3]heptan-2-yl}propanal2172532-76-0C11H18O
- 2-[(Cyclohex-3-en-1-yl)methyl]cyclobutan-1-ol2164484-78-8C11H18O
- rac-(1R,2S)-2-(Pent-3-yn-1-yl)cyclohexan-1-ol2227782-72-9C11H18O
- 1-(2-Methylidenebutyl)cyclopentane-1-carbaldehyde2017149-12-9C11H18O
- rac-(1R,2S)-2-(But-3-yn-1-yl)cycloheptan-1-ol2227643-35-6C11H18O
- 2,2-Dimethyl-1-(pent-4-en-2-yl)cyclopropane-1-carbaldehyde2161688-30-6C11H18O
- 1-(2-Methylcyclohexyl)cyclopropane-1-carbaldehyde2151775-90-3C11H18O
- 1-(2-Cyclopropylethyl)cyclopentane-1-carbaldehyde2003068-82-2C11H18O
- rac-(1R,2S)-2-({Spiro[2.2]pentan-1-yl}methyl)cyclopentan-1-ol2227974-77-6C11H18O
- rac-(1R,2S)-2-(Cyclohex-1-en-1-yl)cyclopentan-1-ol2227697-50-7C11H18O
- 1-(2-Cyclopropylpropyl)cyclobutane-1-carbaldehyde2171978-94-0C11H18O
- 2-{Spiro[3.3]heptan-2-yl}cyclobutan-1-ol2172601-41-9C11H18O
- 3-(4-Ethylcyclohexyl)prop-2-enal2229660-30-2C11H18O
- 1-[1-(Cyclohex-3-en-1-yl)cyclopropyl]ethan-1-ol2228156-60-1C11H18O
- (2S)-2-[(1S,5S)-6,6-Dimethylbicyclo[3.1.1]heptan-2-yl]oxirane2227955-99-7C11H18O
- 4-Methyl-4-(2-methylbut-3-yn-2-yl)oxane2228372-41-4C11H18O
- (1R)-1-{6,6-Dimethylbicyclo[3.1.1]hept-2-en-2-yl}ethan-1-ol2228011-05-8C11H18O
- (2S)-4-{Bicyclo[2.2.1]hept-5-en-2-yl}butan-2-ol2228072-18-0C11H18O
- (2R)-4-{Bicyclo[2.2.1]hept-5-en-2-yl}butan-2-ol2227983-31-3C11H18O
- 4-(2,2,3,3-Tetramethylcyclopropyl)but-3-en-2-one2229655-39-2C11H18O
- (2R)-2-[(1S,5S)-6,6-Dimethylbicyclo[3.1.1]heptan-2-yl]oxirane2228078-75-7C11H18O
Frequently asked questions
What is the molar mass of C11H18O?
The molar mass of C11H18O is 166.26 g/mol, calculated from standard atomic weights for 11 carbon atoms, 18 hydrogen atoms and 1 oxygen atom. The monoisotopic mass is 166.1358 Da.
How many compounds have the formula C11H18O?
CompoundList lists 667 compounds with the molecular formula C11H18O, including (1-{Bicyclo[2.2.1]heptan-2-yl}cyclopropyl)methanol, 3-(4,4-Dimethylcyclohexyl)prop-2-enal, 1-Cyclopropyl-4-methylcyclohexane-1-carbaldehyde. 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 C11H18O?
C11H18O has a degree of unsaturation of 3. 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.