Molecular formula
C11H18O3
730 compounds have this formula on CompoundList.
- Molar mass
- 198.26g/mol
- Monoisotopic mass
- 201.1444Da
- Atoms
- 32
- Elements
- 3
- Rings plus double bonds
- 3
The formula C11H18O3 describes a molecule made of 11 carbon atoms, 18 hydrogen atoms and 3 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 × 1166.64%12.011 × 11 = 132.121 g/mol
- H Hydrogen × 189.15%1.008 × 18 = 18.144 g/mol
- O Oxygen × 324.21%15.999 × 3 = 47.997 g/mol
Look up another formula
Compounds with the formula C11H18O3
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 301 to 400 of 730 compounds
Ethyl 5-(2-methylcyclopropyl)-3-oxopentanoate
CAS 1056595-81-3C11H18O3
2-(3-Methoxypropanoyl)cycloheptan-1-one
CAS 1249648-11-0C11H18O3
2-(3-Methoxypropanoyl)-4-methylcyclohexan-1-one
CAS 1250358-19-0C11H18O3
2-(3-Ethoxypropanoyl)cyclohexan-1-one
CAS 1249616-95-2C11H18O3
1-Cyclopentyl-5-methoxypentane-1,3-dione
CAS 1341523-12-3C11H18O3
1-Cyclopropyl-5-ethoxy-2-methylpentane-1,3-dione
CAS 1487050-69-0C11H18O3
Ethyl 2-cyclobutanecarbonylbutanoate
CAS 1485564-90-6C11H18O3
3-Hydroxy-4-(1-vinylcyclopentyl)butanoic acid
CAS 1138246-51-1C11H18O3
![4-[1-(Acetyloxy)propyl]cyclohexanone chemical structure, C11H18O3, CAS 1352935-33-1](/s/PJDKBOWLNDWYCY-UHFFFAOYSA-N.svg)
4-[1-(Acetyloxy)propyl]cyclohexanone
CAS 1352935-33-1C11H18O3
Methyl 4-oxodec-7-enoate
CAS 85670-53-7C11H18O3
![(1S,2S,3S,4S)-3-Hydroxy-4,7,7-trimethylbicyclo[2.2.1]heptane-2-carboxylic acid chemical structure, C11H18O3, CAS 63976-52-3](/s/GQGMGCVFWBFOAZ-CIOUSYIGSA-N.svg)
(1S,2S,3S,4S)-3-Hydroxy-4,7,7-trimethylbicyclo[2.2.1]heptane-2-carboxylic acid
CAS 63976-52-3C11H18O3
![Spiro[bicyclo[2.2.1]heptane-2,2a(2)-[1,3]dioxolane]-5-ethanol chemical structure, C11H18O3, CAS 81872-30-2](/s/RFEVRAIVNKLBPA-UHFFFAOYSA-N.svg)
Spiro[bicyclo[2.2.1]heptane-2,2a(2)-[1,3]dioxolane]-5-ethanol
CAS 81872-30-2C11H18O3
2,2-Dimethyl-3-(4-oxocyclohexyl)propanoic acid
CAS 1158752-65-8C11H18O3
4-Cyclopentyloxane-4-carboxylic acid
CAS 1540405-92-2C11H18O3
2,2,5,5-Tetramethyl-4-propanoyloxolan-3-one
CAS 1540673-86-6C11H18O3
3-Acetylnonane-2,4-dione
CAS 1503643-28-4C11H18O3
5-Ethoxy-1-(1-methylcyclopropyl)pentane-1,3-dione
CAS 1515377-82-8C11H18O3
![Methyl 2-[(3z)-2,2,5,5-tetramethyloxolan-3-ylidene]acetate chemical structure, C11H18O3, CAS 1563447-16-4](/s/ZLYMGMSVCMFQDN-VURMDHGXSA-N.svg)
Methyl 2-[(3z)-2,2,5,5-tetramethyloxolan-3-ylidene]acetate
CAS 1563447-16-4C11H18O3
2-(2-Methoxyacetyl)-4,4-dimethylcyclohexan-1-one
CAS 1546509-20-9C11H18O3
2-(2-Methoxyacetyl)-3,5-dimethylcyclohexan-1-one
CAS 1544682-04-3C11H18O3
4-Ethyl-2-(2-methoxyacetyl)cyclohexan-1-one
CAS 1557204-32-6C11H18O3
6-(2-Methoxyacetyl)-2,2-dimethylcyclohexan-1-one
CAS 1553137-26-0C11H18O3
1-Cyclohexyl-4-methoxybutane-1,3-dione
CAS 1556621-16-9C11H18O3
![Ethyl 2-propyl-1-oxaspiro[2.3]hexane-2-carboxylate chemical structure, C11H18O3, CAS 1551588-19-2](/s/BDNNKJMGYXGVHS-UHFFFAOYSA-N.svg)
Ethyl 2-propyl-1-oxaspiro[2.3]hexane-2-carboxylate
CAS 1551588-19-2C11H18O3
- 2-Propoxybicyclo[2.2.1]heptane-2-carboxylic acid1544278-75-2C11H18O3
- 5-[(Oxan-2-yl)oxy]hex-3-yn-1-ol13994-59-7C11H18O3
- 1-Propene, 3,3a(2)-[[3-(ethenyloxy)propylidene]bis(oxy)]bis-189136-14-9C11H18O3
- 6-[(Oxan-2-yl)oxy]hex-1-yn-3-ol54911-86-3C11H18O3
- Ethyl 2-cyclohexyl-3-oxopropanoate1941941-07-6C11H18O3
- 3-(Heptan-4-yl)oxolane-2,5-dione255048-48-7C11H18O3
- Methyl 3-[(1S,3S)-3-methyl-2-oxocyclohexyl]propanoate7424-92-2C11H18O3
- Methyl 2,2,3-trimethyl-4-oxocyclohexanecarboxylate15210-88-5C11H18O3
- Methyl 2-methyl-5-(propan-2-yl)-1-oxaspiro[2.3]hexane-2-carboxylate1694931-63-9C11H18O3
- Methyl 5-methyl-2-(propan-2-yl)-1-oxaspiro[2.3]hexane-2-carboxylate1692531-12-6C11H18O3
- 9-Methoxy-1-oxaspiro[5.5]undecan-4-one1565921-35-8C11H18O3
- Methyl 4,6,6-trimethyl-1-oxaspiro[2.4]heptane-2-carboxylate1697184-52-3C11H18O3
- 1-(3-Buten-1-yloxy)cyclohexanecarboxylic acid1249972-63-1C11H18O3
- Methyl 4-ethyl-2-methyl-1-oxaspiro[2.4]heptane-2-carboxylate1603272-59-8C11H18O3
- 1-tert-Butyl-4-oxocyclohexane-1-carboxylic acid2228884-69-1C11H18O3
- Methyl 6-hydroxy-2,6-dimethyl-7-octynoate83718-65-4C11H18O3
- Methyl 2-(3-formylcyclopentyl)-2-methylpropanoate1959577-46-8C11H18O3
- 3-[(Oxan-2-yl)methyl]cyclobutane-1-carboxylic acid2098002-28-7C11H18O3
- 3-[(Oxan-4-yl)methyl]cyclobutane-1-carboxylic acid2098131-37-2C11H18O3
- 1-(1-Hydroxycyclobutyl)cyclohexane-1-carboxylic acid51175-11-2C11H18O3
- 2,4-Diethyl-5-hydroxycyclohex-3-ene-1-carboxylic acid3854-91-9C11H18O3
- 2-(2-Oxocyclooctyl)propanoic acid19144-29-7C11H18O3
- 1,4,4-Trimethyl-2-oxocyclohexaneacetic acid16778-25-9C11H18O3
- I(2)-Methylene-1,4-dioxaspiro[4.5]decane-7-ethanol22274-79-9C11H18O3
- 2-Hydroxy-3,3-dimethylbicyclo[2.2.1]heptan-1-yl acetate1823872-19-0C11H18O3
- Methyl 4-methyl-2-(propan-2-yl)-1-oxaspiro[2.3]hexane-2-carboxylate1865121-71-6C11H18O3
- (1R,4aS,8aS)-1-Hydroxyoctahydronaphthalene-4a(2H)-carboxylic acid1195570-05-8C11H18O3
- (2S,3S)-5-Cyclohexyl-3,6-dihydro-2H-pyran-2,3-diol83953-45-1C11H18O3
- (2E)-3-[(1S)-2-(2,2-Dimethyl-1,3-dioxolan-4-yl)cyclopropyl]prop-2-en-1-ol927866-24-8C11H18O3
- Methyl 5-(hydroxymethyl)bicyclo[3.2.1]octane-1-carboxylate2168843-95-4C11H18O3
- Ethyl octahydro-1-benzofuran-3a-carboxylate2060041-17-8C11H18O3
- (2S)-2-{6-Oxaspiro[3.5]nonan-7-yl}propanoic acid2248213-78-5C11H18O3
- 2-{6-Oxaspiro[3.5]nonan-7-yl}propanoic acid2248346-97-4C11H18O3
- (2R)-2-{6-Oxaspiro[3.5]nonan-7-yl}propanoic acid2248219-88-5C11H18O3
- 3-[2-(Hydroxymethyl)bicyclo[2.2.1]heptan-2-yl]oxetan-3-ol2171964-66-0C11H18O3
- Ethyl 1-(Hydroxymethyl)-4-methylenecyclohexanecarboxylate2459740-29-3C11H18O3
- 2-[Rel-(1'R,3'R,5'R)-spiro[1,3-dioxolane-2,6'-bicyclo[3.2.0]heptane]-3'-yl]ethanol2473476-34-3C11H18O3
- (3R,3aS,6R,8S,8aR)-8-Hydroxy-3,6-dimethyloctahydro-2H-cyclohepta[b]furan-2-one566939-99-9C11H18O3
- (2S,3S)-3-(8-Hydroxy-2-octyn-1-yl)-2-oxiranemethanol180797-76-6C11H18O3
- tert-Butyl 3-[(but-2-yn-1-yl)oxy]propanoate488150-85-2C11H18O3
- 2-(3,3-Dimethoxy-1-methylpropyl)-5-methylfuran1205-04-5C11H18O3
- (1S,3R)-3-tert-Butyl-4-oxocyclohexane-1-carboxylic acid39778-64-8C11H18O3
- Butyl (2R)-2-hydroxy-4-methylidenehex-5-enoate172332-60-4C11H18O3
- 2-Butanoylcyclohexane-1-carboxylic acid854446-75-6C11H18O3
- 1-Methylethyl 2-hydroxy-3-octynoate1069-26-7C11H18O3
- {5',5'-Dimethyl-3-oxaspiro[bicyclo[3.1.0]hexane-2,3'-oxolan]-1-yl}methanol2171891-55-5C11H18O3
- 1'-Hydroxy-3,3-dimethyl-[1,1'-bi(cyclobutane)]-1-carboxylic acid2172584-66-4C11H18O3
- 1'-Hydroxy-3',3'-dimethyl-[1,1'-bi(cyclobutane)]-1-carboxylic acid2172453-54-0C11H18O3
- 1'-Ethyl-3-hydroxy-[1,1'-bi(cyclobutane)]-1-carboxylic acid2228268-34-4C11H18O3
- Ethyl 1'-hydroxy-[1,1'-bi(cyclobutane)]-1-carboxylate2172493-66-0C11H18O3
- Methyl 5-cyclopentyl-3-oxopentanoate1313546-70-1C11H18O3
- {7,10-Dioxadispiro[2.2.4^{6}.2^{3}]dodecan-1-yl}methanol2680539-18-6C11H18O3
- Methyl 1-(1-hydroxyethyl)-4-methylidenecyclohexane-1-carboxylate2866324-03-8C11H18O3
- Ethyl 4-Cyclobutyl-3-oxopentanoate2805996-23-8C11H18O3
- 6-Hydroxy-6,7,7-trimethyl-2-oxaspiro[4.4]nonan-1-one7229-31-4C11H18O3
- Methyl 2-[(1R,3R)-3-acetyl-2,2-dimethylcyclobutyl]acetate52305-35-8C11H18O3
- Ethyl 2-(cyclohept-1-en-1-yl)-2-hydroxyacetate33487-19-3C11H18O3
- [(1R,5S,6R)-6-(Methoxymethoxy)-2-bicyclo[3.2.1]oct-2-enyl]methanol546125-86-4C11H18O3
- [(3aR,6aR)-2-Methylhexahydro-3aH-cyclopenta[b]furan-3a-yl]methyl acetate532934-76-2C11H18O3
- 5-(Prop-2-enoxymethyl)-3-propyloxolan-2-one62668-41-1C11H18O3
- 3-Propan-2-yl-5-(prop-2-enoxymethyl)oxolan-2-one62705-40-2C11H18O3
- 4-Methyl-4-pentyloxane-2,6-dione61871-53-2C11H18O3
- 2-(3,3-Diethoxypropyl)furan89176-43-2C11H18O3
- 5,5-Dimethyl-1,3-dioxaspiro[5.5]undecan-4-one64884-58-8C11H18O3
- Ethyl 3,3-dimethyl-2-oxocyclohexane-1-carboxylate55233-98-2C11H18O3
- 1,7,7-Trimethylbicyclo[2.2.1]heptane-2-carboperoxoic acid62619-02-7C11H18O3
- 1-(2,2-Dimethyloxan-4-yl)butane-1,3-dione84114-94-3C11H18O3
- 1,3-Dimethoxyoctahydro-4,7-methano-2-benzofuran14746-29-3C11H18O3
- 2-Methoxy-7-(propan-2-yl)-1,6-dioxaspiro[4.4]non-3-ene61364-97-4C11H18O3
- tert-Butyl 2,4-dimethyl-3-oxopent-4-enoate87265-64-3C11H18O3
- 1-(2-Methylpropyl)-4-oxocyclohexane-1-carboxylic acid1514701-14-4C11H18O3
- Methyl 1-(1-hydroxycyclohexyl)cyclopropane-1-carboxylate92242-14-3C11H18O3
- 6-[(Oxan-2-yl)oxy]hex-4-yn-1-ol89110-82-7C11H18O3
- Methyl octahydro-1H-2-benzopyran-6-carboxylate96565-00-3C11H18O3
- Ethyl 7-methyl-5-oxooct-6-enoate116214-60-9C11H18O3
- Ethyl 3-oxonon-8-enoate59697-70-0C11H18O3
Frequently asked questions
What is the molar mass of C11H18O3?
The molar mass of C11H18O3 is 198.26 g/mol, calculated from standard atomic weights for 11 carbon atoms, 18 hydrogen atoms and 3 oxygen atoms. The monoisotopic mass is 201.1444 Da.
How many compounds have the formula C11H18O3?
CompoundList lists 730 compounds with the molecular formula C11H18O3, including Ethyl 5-(2-methylcyclopropyl)-3-oxopentanoate, 2-(3-Methoxypropanoyl)cycloheptan-1-one, 2-(3-Methoxypropanoyl)-4-methylcyclohexan-1-one. 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 C11H18O3?
C11H18O3 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.