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 1 to 100 of 730 compounds
4-(Trans-4-methylcyclohexyl)-4-oxobutanoic acid
CAS 195137-72-5C11H18O3
![3-Hydroxy-4,7,7-trimethylbicyclo[2.2.1]heptane-1-carboxylic acid chemical structure, C11H18O3, CAS 93257-31-9](/s/XGYBHRIFVITMPY-UHFFFAOYSA-N.svg)
3-Hydroxy-4,7,7-trimethylbicyclo[2.2.1]heptane-1-carboxylic acid
CAS 93257-31-9C11H18O3
Allyl cyclohexyloxyacetate
CAS 68901-15-5C11H18O3
3,3-Dimethyl-1,5-dioxaspiro(5.5)undecan-9-one
CAS 69225-59-8C11H18O3
Ethyl 3-cyclohexyl-3-oxopropanoate
CAS 15971-92-3C11H18O3
Ethyl 2-oxocyclooctane-1-carboxylate
CAS 4017-56-5C11H18O3
![Methyl 4-(hydroxymethyl)bicyclo[2.2.2]octane-1-carboxylate chemical structure, C11H18O3, CAS 94994-15-7](/s/CNDFZCWNUACFHZ-UHFFFAOYSA-N.svg)
Methyl 4-(hydroxymethyl)bicyclo[2.2.2]octane-1-carboxylate
CAS 94994-15-7C11H18O3
tert-Butyl 4-oxocyclohexane-1-carboxylate
CAS 38446-95-6C11H18O3
![3-Oxaspiro[5.5]undecane-9-carboxylic acid chemical structure, C11H18O3, CAS 10428-85-0](/s/ZBFIZLGIVGJKLH-UHFFFAOYSA-N.svg)
3-Oxaspiro[5.5]undecane-9-carboxylic acid
CAS 10428-85-0C11H18O3
3-((1R,3R,4R)-4-Hydroxy-3-methoxycyclohexyl)-2-methylacrylaldehyde, (E)-
CAS 109466-74-2C11H18O3
![2-Propenoic acid, [4-(hydroxymethyl)cyclohexyl]methyl ester chemical structure, C11H18O3, CAS 23117-36-4](/s/URLYGBGJPQYXBN-UHFFFAOYSA-N.svg)
2-Propenoic acid, [4-(hydroxymethyl)cyclohexyl]methyl ester
CAS 23117-36-4C11H18O3
Methyl 2-cyclohexyl-3-oxobutanoate
CAS 175230-30-5C11H18O3
tert-Butyl 3-formyl-2,2-dimethylcyclopropane-1-carboxylate
CAS 35285-07-5C11H18O3
2(5H)-Furanone, 5-hydroxy-3,4-dimethyl-5-pentyl-
CAS 6067-11-4C11H18O3
![1-Oxaspiro[5.5]undecane-4-carboxylic acid chemical structure, C11H18O3, CAS 1368153-21-2](/s/XQUCUBBLGUDQKZ-UHFFFAOYSA-N.svg)
1-Oxaspiro[5.5]undecane-4-carboxylic acid
CAS 1368153-21-2C11H18O3
tert-Butyl 1-formylcyclopentane-1-carboxylate
CAS 1546151-07-8C11H18O3
Cyclohexyl 4-oxopentanoate
CAS 3063-69-2C11H18O3
Ethyl 5-ethyl-2-oxocyclohexane-1-carboxylate
CAS 116596-80-6C11H18O3
2-Oxaspiro(5.5)undecane-5-carboxylic acid
CAS 1483396-56-0C11H18O3
2-(Oxolan-2-yl)cyclohexane-1-carboxylic acid
CAS 1864016-44-3C11H18O3
2-Nonenal, 9-(acetyloxy)-, (E)-
CAS 85685-13-8C11H18O3
Butyl 4-oxocyclohexane-1-carboxylate
CAS 155561-32-3C11H18O3
5-(tert-Butoxy)spiro(2.3)hexane-1-carboxylic acid
CAS 2386799-13-7C11H18O3
rac-tert-Butyl (1R,3S)-3-formylcyclopentane-1-carboxylate
CAS 2922280-48-4C11H18O3
- Ethyl 1-(2,2-dimethylpropanoyl)cyclopropane-1-carboxylate1520602-41-8C11H18O3
- Methyl 4-(2-hydroxyethyl)bicyclo[2.2.1]heptane-1-carboxylate2858752-91-5C11H18O3
- tert-Butyl 3-(2-methylcyclopropyl)-3-oxopropanoate134302-10-6C11H18O3
- Methyl 4-ethyl-4-methyl-2-oxocyclohexane-1-carboxylate2923843-50-7C11H18O3
- tert-Butyl 3-formyl-1-methylcyclobutane-1-carboxylate3048904-09-9C11H18O3
- 2-(2-Butyl-4-oxocyclopentyl)acetic acid2166889-55-8C11H18O3
- 3-Hydroxy-4,7,7-trimethylbicyclo[2.2.1]heptane-2-carboxylic acid6246-41-9C11H18O3
- 4-Cycloheptyl-4-oxobutanoic acid93257-32-0C11H18O3
- 1,1-Dimethylethyl 3-(hydroxymethyl)bicyclo(1.1.1)pentane-1-carboxylate138732-32-8C11H18O3
- tert-Butyl 2-(tetrahydro-4H-pyran-4-ylidene)acetate894789-82-3C11H18O3
- 1 suppliersEthyl 2-cyclopentyl-3-oxobutanoate1540-32-5C11H18O3
- Ethyl 4-cyclopentyl-3-oxobutanoate68104-99-4C11H18O3
- 1 suppliersAlkyne-ethyl-PEG1-t-Butyl ester2100306-55-4C11H18O3
- 1-Hydroxydecahydronaphthalene-2-carboxylic acid861354-05-4C11H18O3
- Methyl 3-acetyl-2,2-dimethylcyclobutaneacetate16978-11-3C11H18O3
- Methyl beta-oxocyclohexanebutanoate51414-42-7C11H18O3
- 5-Cyclohexyl-5-oxopentanoic acid15971-96-7C11H18O3
- Ethyl 3-(2-oxocyclohexyl)propanoate4095-02-7C11H18O3
- Ethyl 1-ethyl-4-oxocyclohexanecarboxylate59032-71-2C11H18O3
- beta-Oxo-cyclobutanepropanoic acid 1,1-dimethylethyl ester134302-09-3C11H18O3
- Cyclohexanepropionic acid, 4-oxo-, ethyl ester58012-66-1C11H18O3
- Methyl 3-(1-methyl-2-oxocyclohexyl)propanoate53068-89-6C11H18O3
- Ethyl 5,5-Dimethyl-2-oxocyclohexanecarboxylate64229-88-5C11H18O3
- Ethyl 2-(4-oxocyclohexyl)propanoate31180-85-5C11H18O3
- Cyclopentaneacetic acid, 3-oxo-2-propyl-, methyl ester42186-33-4C11H18O3
- Ethyl 6-methyl-1-oxaspiro(2.5)octane-2-carboxylate73040-03-6C11H18O3
- Methyl 4-methoxybicyclo[2.2.2]octane-1-carboxylate81687-90-3C11H18O3
- 1-Oxaspiro[2.5]octane-2-carboxylic acid, 2-methyl-, ethyl ester31045-09-7C11H18O3
- Ethyl 2-oxo-3-(propan-2-yl)cyclopentane-1-carboxylate91966-24-4C11H18O3
- Ethyl 2-[trans-4-formylcyclohexyl]acetate944158-33-2C11H18O3
- 6,6-Diethoxy-2-methylhex-4-yn-3-one81535-81-1C11H18O3
- 2 suppliersMethyl 3-[(1R)-1-methyl-2-oxocyclohexyl]propanoate94089-47-1C11H18O3
- Methyl 2-methyl-3-(2-oxocyclohexyl)propanoate63714-94-3C11H18O3
- Cyclohexanone, 4-[(tetrahydro-2H-pyran-2-yl)oxy]-60739-53-9C11H18O3
- 6-Cyclopentyl-6-oxohexanoic acid708255-83-8C11H18O3
- tert-Butyl 2-oxocyclohexane-1-carboxylate55623-56-8C11H18O3
- 8-(2-Propenyloxy)-1,4-dioxaspiro[4.5]decane192870-65-8C11H18O3
- 1 supplierscis-3-Hexenyl levulinate85554-70-7C11H18O3
- Ethyl 3,3-dimethyl-4-oxocyclohexanecarboxylate1071695-05-0C11H18O3
- Ethyl 4,4-dimethyl-2-oxocyclohexanecarboxylate36168-42-0C11H18O3
- Ethyl 2-(4-methoxycyclohexylidene)acetate55103-56-5C11H18O3
- 6-(Tetrahydro-2H-pyran-2-yloxy)-2-hexyn-1-ol66084-35-3C11H18O3
- Ethyl 4-hydroxybicyclo[2.2.2]octane-1-carboxylate72948-78-8C11H18O3
- Methyl 2-oxo-5-propylcyclohexanecarboxylate942414-11-1C11H18O3
- (s)-5-Hydroxy-3,4-dimethyl-5-pentylfuran-2(5H)-one1403940-81-7C11H18O3
- Cyclohexanecarboxylic acid, 2,4,4-trimethyl-6-oxo-, methyl ester54576-10-2C11H18O3
- Cyclopentanecarboxylic acid, 1-butyl-2-oxo-, methyl ester61777-25-1C11H18O3
- 5-Cyclohexyl-4-oxopentanoic acid4354-63-6C11H18O3
- Ethyl 2,4-dimethyl-6-oxocyclohexane-1-carboxylate2323-21-9C11H18O3
- 6-Octenoic acid, 7-methyl-3-oxo-, ethyl ester5248-18-0C11H18O3
- 7-Cyclobutyl-7-oxoheptanoic acid898766-83-1C11H18O3
- 8-Cyclopropyl-8-oxooctanoic acid898766-91-1C11H18O3
- 4-(Cyclobutylmethyl)oxane-4-carboxylic acid1385696-41-2C11H18O3
- 4-(Methoxymethyl)bicyclo[2.2.2]octane-1-carboxylic acid2168336-36-3C11H18O3
- Carbonic acid, ethyl octynyl ester1322-12-9C11H18O3
- 3-Furancarboxylic acid, 4,5-dihydro-2-methyl-5-propyl-, ethyl ester109176-12-7C11H18O3
- Ethyl 3-cyclohexyloxirane-2-carboxylate55673-87-5C11H18O3
- Cyclopropaneorthocarboxylic acid, cyclic ester with 2-(hydroxymethyl)-2-isopropyl-1,3-propanediol97720-33-7C11H18O3
- 6-(2-Oxocyclopentyl)hexanoic acid40942-89-0C11H18O3
- Tetrahydro-8a,4a-(epoxypropano)-2H,5H-pyrano[2,3-b]pyran7092-69-5C11H18O3
- Butyl 7-oxabicyclo[4.1.0]heptane-1-carboxylate71172-73-1C11H18O3
- Ethyl 2-oxo-1-propylcyclopentanecarboxylate56197-54-7C11H18O3
- Ethyl 3-cyclohexyl-2-oxopropanoate51692-88-7C11H18O3
- Methyl 2-butyl-3-oxocyclopentanecarboxylate37172-61-5C11H18O3
- Ethyl 4-cyclopentyl-4-oxobutyrate898753-83-8C11H18O3
- Cyclohexanecarboxylic acid, 1-(2-oxopropyl)-, methyl ester75436-61-2C11H18O3
- Methyl 2-oxo-5-(propan-2-yl)cyclohexane-1-carboxylate153629-84-6C11H18O3
- (E)-Methyl 2-acetyloct-2-enoate228114-02-1C11H18O3
- Cycloheptaneacetic acid, 2-oxo-, ethyl ester39716-30-8C11H18O3
- Ethyl 5-cyclobutyl-5-oxovalerate898776-15-3C11H18O3
- Ethyl 6-cyclopropyl-6-oxohexanoate898776-30-2C11H18O3
- Methyl 2-[3-(tert-butoxy)cyclobutylidene]acetate1803581-35-2C11H18O3
- Ethyl 1-oxaspiro[2.6]nonane-2-carboxylate6975-19-5C11H18O3
- (4-Methylcyclohexyl) 3-oxobutanoate6624-88-0C11H18O3
- Ethyl 3,3-dicyclopropyl-3-hydroxypropanoate17206-84-7C11H18O3
- 3-Hexyn-1-ol, 6-[(tetrahydro-2H-pyran-2-yl)oxy]-104178-62-3C11H18O3
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 4-(Trans-4-methylcyclohexyl)-4-oxobutanoic acid, 3-Hydroxy-4,7,7-trimethylbicyclo[2.2.1]heptane-1-carboxylic acid, Allyl cyclohexyloxyacetate. 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.