Molecular formula
C11H18O2
950 compounds have this formula on CompoundList.
- Molar mass
- 182.26g/mol
- Monoisotopic mass
- 182.1307Da
- Atoms
- 31
- Elements
- 3
- Rings plus double bonds
- 3
The formula C11H18O2 describes a molecule made of 11 carbon atoms, 18 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 × 1172.49%12.011 × 11 = 132.121 g/mol
- H Hydrogen × 189.95%1.008 × 18 = 18.144 g/mol
- O Oxygen × 217.56%15.999 × 2 = 31.998 g/mol
Look up another formula
Compounds with the formula C11H18O2
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 601 to 700 of 950 compounds
1,5,5-Trimethyl-7-methylidenecyclohept-2-ene-1,4-diol
CAS 61414-55-9C11H18O2
Methyl 2-methylnona-2,4-dienoate
CAS 61382-50-1C11H18O2
Methyl (2-ethylidenecyclohexyl)acetate
CAS 61346-67-6C11H18O2
Tetrahydro-1,4-propanopentalene-3a,6a(1H,4H)-diol
CAS 61206-15-3C11H18O2
2-Ethoxy-4,6-dimethylcyclohex-3-ene-1-carbaldehyde
CAS 60638-04-2C11H18O2
Ethyl 2-(prop-1-EN-2-yl)hex-4-enoate
CAS 88226-97-5C11H18O2
Methyl 3,3-dimethyl-2-(prop-1-en-2-yl)pent-4-enoate
CAS 88226-96-4C11H18O2
10-Oxoundec-2-enal
CAS 88141-30-4C11H18O2
Ethyl 3-(prop-2-en-1-yl)hex-4-enoate
CAS 87995-35-5C11H18O2
6-(4-Hydroxybutan-2-yl)-3-methylcyclohex-2-en-1-one
CAS 87848-67-7C11H18O2
(2S,6R)-2-Methyl-6-(3-oxobutyl)cyclohexan-1-one
CAS 85893-56-7C11H18O2
(2S,6S)-2-Methyl-6-(3-oxobutyl)cyclohexan-1-one
CAS 85893-55-6C11H18O2
2-(tert-Butoxymethylidene)-5-methylcyclopentan-1-one
CAS 836628-64-9C11H18O2
5,5-Dimethylnon-7-ene-2,4-dione
CAS 835597-65-4C11H18O2
2-(3-Methoxybut-3-en-1-yl)cyclohexan-1-one
CAS 827615-86-1C11H18O2
4-Methyldec-5-ynoic acid
CAS 823785-60-0C11H18O2
![(2S,5R)-2-(But-3-en-1-yl)-1,6-dioxaspiro[4.4]nonane chemical structure, C11H18O2, CAS 920324-21-6](/s/RSDHUZXFIDRLHR-WDEREUQCSA-N.svg)
(2S,5R)-2-(But-3-en-1-yl)-1,6-dioxaspiro[4.4]nonane
CAS 920324-21-6C11H18O2
![(2R,5S)-2-(But-3-en-1-yl)-1,6-dioxaspiro[4.4]nonane chemical structure, C11H18O2, CAS 920324-20-5](/s/RSDHUZXFIDRLHR-MNOVXSKESA-N.svg)
(2R,5S)-2-(But-3-en-1-yl)-1,6-dioxaspiro[4.4]nonane
CAS 920324-20-5C11H18O2
![(2R)-2-(But-3-en-1-yl)-1,6-dioxaspiro[4.4]nonane chemical structure, C11H18O2, CAS 920324-19-2](/s/RSDHUZXFIDRLHR-NFJWQWPMSA-N.svg)
(2R)-2-(But-3-en-1-yl)-1,6-dioxaspiro[4.4]nonane
CAS 920324-19-2C11H18O2
![(2S)-2-(But-3-en-1-yl)-1,6-dioxaspiro[4.4]nonane chemical structure, C11H18O2, CAS 920324-18-1](/s/RSDHUZXFIDRLHR-VUWPPUDQSA-N.svg)
(2S)-2-(But-3-en-1-yl)-1,6-dioxaspiro[4.4]nonane
CAS 920324-18-1C11H18O2
Methyl (1R,5S)-5-(propan-2-yl)cyclohex-3-ene-1-carboxylate
CAS 90276-06-5C11H18O2
3-Methylidenedec-4-enoic acid
CAS 90252-85-0C11H18O2
4-(3,3-Dimethyl-2-isopropyloxiranyl)-3-butyn-2-ol
CAS 63922-49-6C11H18O2
1-(5-Hydroxypent-1-yn-1-yl)cyclohexan-1-ol
CAS 58447-66-8C11H18O2
- 2-(1-Cyclohexylcyclopropyl)acetic acid1368336-00-8C11H18O2
- 1-Cyclopentyl-2,2-dimethylcyclopropane-1-carboxylic acid1508842-62-3C11H18O2
- (2-tert-Butyl-4,5-dimethylfuran-3-yl)methanol1511605-10-9C11H18O2
- 4-Cyclopentyloxane-4-carbaldehyde1511363-94-2C11H18O2
- 1-(2-Cyclopentylethyl)cyclopropane-1-carboxylic acid1700387-70-7C11H18O2
- 3-Pentylbicyclo[1.1.1]pentane-1-carboxylic acid138724-52-4C11H18O2
- 2-Cyclohexylidenepentanoic acid145279-75-0C11H18O2
- Methyl bicyclo[3.2.2]nonane-1-carboxylate194343-58-3C11H18O2
- 6-Propylspiro[3.3]heptane-2-carboxylic acid111196-18-0C11H18O2
- 1-(Oxolan-2-yl)cyclohexane-1-carbaldehyde2158586-66-2C11H18O2
- 3-(Cyclohex-3-en-1-yl)-2,2-dimethylpropanoic acid1352812-27-1C11H18O2
- rac-(1R,3R)-3-Cyclopentyl-2,2-dimethylcyclopropane-1-carboxylic acid2227700-37-8C11H18O2
- 1-Cyclobutylcyclohexane-1-carboxylic acid1598843-40-3C11H18O2
- Ethyl (E)-nona-2,8-dienoate852820-73-6C11H18O2
- 1-[(1-Hydroxycyclohexyl)methyl]cyclopropane-1-carbaldehyde1936591-93-3C11H18O2
- 1-(2-Hydroxycyclohexyl)cyclobutane-1-carbaldehyde1934497-87-6C11H18O2
- 1-(2-Methoxycyclohexyl)cyclopropane-1-carbaldehyde1936594-15-8C11H18O2
- 2-Methyl-5-(propan-2-yl)bicyclo[3.1.0]hexane-2-carboxylic acid873415-44-2C11H18O2
- 2,2,4,4-Tetramethyl-6-oxocyclohexane-1-carbaldehyde78052-01-4C11H18O2
- 2-{Bicyclo[2.2.1]heptan-2-yl}butanoic acid93257-27-3C11H18O2
- 3-(3-Methylbut-2-en-1-yl)oxane-3-carbaldehyde1934410-66-8C11H18O2
- 3-Cyclohexyloxolane-3-carbaldehyde1934590-41-6C11H18O2
- 2-(2-Methylpropyl)-7-oxabicyclo[2.2.1]heptane-2-carbaldehyde1935013-99-2C11H18O2
- 1-(3-Methoxycyclohexyl)cyclopropane-1-carbaldehyde1934410-57-7C11H18O2
- 1-[(5-Methyloxolan-2-yl)methyl]cyclobutane-1-carbaldehyde1934488-15-9C11H18O2
- 1-(Oxan-4-yl)cyclopentane-1-carbaldehyde1936658-26-2C11H18O2
- 1-(2-Hydroxycycloheptyl)cyclopropane-1-carbaldehyde1934651-46-3C11H18O2
- 1-[(3-Hydroxycyclohexyl)methyl]cyclopropane-1-carbaldehyde1934459-69-4C11H18O2
- 1-(2-Hydroxy-1,2-dimethylcyclopentyl)cyclopropane-1-carbaldehyde1934769-66-0C11H18O2
- 3-(Cyclopentylmethyl)oxolane-3-carbaldehyde1934735-73-5C11H18O2
- 1-[(4-Hydroxycyclohexyl)methyl]cyclopropane-1-carbaldehyde1935079-73-4C11H18O2
- 1-(2-Methoxycyclopentyl)cyclobutane-1-carbaldehyde1934911-97-3C11H18O2
- 3-(Cyclobutylmethyl)oxane-3-carbaldehyde1934656-69-5C11H18O2
- 4-(3-Methylbut-2-en-1-yl)oxane-4-carbaldehyde1934917-02-8C11H18O2
- 3-Methyl-1-(oxolan-3-yl)cyclopentane-1-carbaldehyde1935956-14-1C11H18O2
- 3-Cyclopentyloxane-3-carbaldehyde1934846-68-0C11H18O2
- 1-(2-Hydroxy-2-methylcyclopentyl)cyclobutane-1-carbaldehyde1936125-31-3C11H18O2
- 1-[(Oxolan-2-yl)methyl]cyclopentane-1-carbaldehyde1936592-00-5C11H18O2
- 4-(Cyclobutylmethyl)oxane-4-carbaldehyde1936299-37-4C11H18O2
- 2-Methyl-1-(oxolan-3-yl)cyclopentane-1-carbaldehyde1934841-81-2C11H18O2
- 1-(Oxan-3-yl)cyclopentane-1-carbaldehyde1936263-34-1C11H18O2
- 1-(Oxolan-3-yl)cyclohexane-1-carbaldehyde1935940-65-0C11H18O2
- 1-[(2-Hydroxycyclohexyl)methyl]cyclopropane-1-carbaldehyde1936536-53-6C11H18O2
- 1-[(5,5-Dimethyloxolan-2-yl)methyl]cyclopropane-1-carbaldehyde1936202-77-5C11H18O2
- 2-Ethoxybicyclo[2.2.2]octane-2-carbaldehyde1935902-89-8C11H18O2
- 1-[(1-Hydroxycyclopentyl)methyl]cyclobutane-1-carbaldehyde1936573-61-3C11H18O2
- 3-[(1-Methylcyclobutyl)methyl]oxolane-3-carbaldehyde1936088-96-8C11H18O2
- Ethyl 2-[(1Z)-2,2-dimethylcyclopentylidene]acetate90548-20-2C11H18O2
- 1-Cyclohexylpentane-2,4-dione2367607-73-4C11H18O2
- 2-[1-(Oxan-4-yl)ethyl]cyclopropane-1-carbaldehyde2059974-91-1C11H18O2
- 2-(4-Ethyloxan-4-yl)cyclopropane-1-carbaldehyde2060058-45-7C11H18O2
- 10-Methyl-1-oxaspiro[5.5]undecan-7-one2060031-06-1C11H18O2
- 2-Methyl-3,7-dioxaspiro[5.6]dodec-9-ene2060050-00-0C11H18O2
- 1,1-Dimethyl-2,6-dioxaspiro[4.6]undec-8-ene2059955-70-1C11H18O2
- 3,3-Dimethyl-2,6-dioxaspiro[4.6]undec-8-ene2060050-23-7C11H18O2
- 3-Oxaspiro[bicyclo[5.1.0]octane-4,4'-oxane]2060009-21-2C11H18O2
- 2'-Methyl-3-oxaspiro[bicyclo[5.1.0]octane-4,3'-oxolane]2060036-40-8C11H18O2
- 5'-Methyl-3-oxaspiro[bicyclo[5.1.0]octane-4,3'-oxolane]2059974-58-0C11H18O2
- 3-(3-Methylbutyl)bicyclo[1.1.1]pentane-1-carboxylic acid2287342-31-6C11H18O2
- 3-(Cyclohex-3-en-1-yl)-3-methylbutanoic acid2228637-22-5C11H18O2
- 5-Oxaspiro[bicyclo[4.2.0]octane-7,1'-cyclopentane]-8-ol2137806-98-3C11H18O2
- (2Z)-3-Cyclopentyl-2-ethylbut-2-enoic acid2138812-41-4C11H18O2
- 2-(Butan-2-yl)-2-methylcyclohexane-1,3-dione2137721-42-5C11H18O2
- 2-[(1Z)-3,3-Dimethylcyclopentylidene]butanoic acid2138806-13-8C11H18O2
- (2E)-2-[(1-Methylcyclopentyl)methylidene]butanoic acid2138809-71-7C11H18O2
- 2-[(1Z)-2,2-Dimethylcyclopentylidene]butanoic acid2138817-14-6C11H18O2
- 2-[(1Z)-2-Ethylcyclopentylidene]butanoic acid2138821-18-6C11H18O2
- 1-[2-(Oxolan-2-yl)ethyl]cyclobutane-1-carbaldehyde2017189-48-7C11H18O2
- 1-(2-Hydroxycyclobutyl)cyclohexane-1-carbaldehyde2172530-83-3C11H18O2
- 8,8-Dimethyl-1-oxaspiro[4.5]decan-4-one2137571-59-4C11H18O2
- 7,7-Dimethyl-1-oxaspiro[4.5]decan-4-one2138395-31-8C11H18O2
- 2-(1-Ethenyl-4-methylcyclohexyl)acetic acid2137728-28-8C11H18O2
- 2-(1-Cyclopropyl-3-methylcyclopentyl)acetic acid2137637-12-6C11H18O2
- 7,9-Dimethyl-1-oxaspiro[4.5]decan-4-one2137984-81-5C11H18O2
- Methyl 4-ethyl-6-methylhept-2-ynoate2015598-00-0C11H18O2
- tert-Butyl 5-methylhex-2-ynoate2137636-14-5C11H18O2
Frequently asked questions
What is the molar mass of C11H18O2?
The molar mass of C11H18O2 is 182.26 g/mol, calculated from standard atomic weights for 11 carbon atoms, 18 hydrogen atoms and 2 oxygen atoms. The monoisotopic mass is 182.1307 Da.
How many compounds have the formula C11H18O2?
CompoundList lists 950 compounds with the molecular formula C11H18O2, including 1,5,5-Trimethyl-7-methylidenecyclohept-2-ene-1,4-diol, Methyl 2-methylnona-2,4-dienoate, Methyl (2-ethylidenecyclohexyl)acetate. 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 C11H18O2?
C11H18O2 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.