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 101 to 200 of 667 compounds
1-(2,2,4-Trimethyl-3-cyclohexen-1-yl)ethan-1-one
CAS 55695-36-8C11H18O
4-(Isopropyl)cyclohexadieneethanol
CAS 93941-69-6C11H18O
![Ethanone, 1-[1,2,2(or 1,5,5)-trimethyl-3-cyclohexen-1-yl]- chemical structure, C11H18O, CAS 67989-85-9](/s/CZOCBPIZYNGNQR-UHFFFAOYSA-N.svg)
Ethanone, 1-[1,2,2(or 1,5,5)-trimethyl-3-cyclohexen-1-yl]-
CAS 67989-85-9C11H18O
5-Isopropenyl-1,2-dimethylcyclohex-2-enol
CAS 85710-64-1C11H18O
1-(2,6,6-Trimethyl-1-cyclohexen-1-yl)ethanone
CAS 1197-92-8C11H18O
Ethanone, 1-(2-ethyl-1,3-dimethyl-2-cyclopenten-1-yl)-
CAS 591759-69-2C11H18O
3,6-Dimethyl-6-(1-methylethyl)-2-cyclohexen-1-one
CAS 54410-58-1C11H18O
![(1R,2R,3R,5S)-2,6,6-Trimethylbicyclo[3.1.1]heptane-3-carbaldehyde chemical structure, C11H18O, CAS 58096-21-2](/s/VUNCLQCPKWLBRY-AXTSPUMRSA-N.svg)
(1R,2R,3R,5S)-2,6,6-Trimethylbicyclo[3.1.1]heptane-3-carbaldehyde
CAS 58096-21-2C11H18O
Ethanone, 1-(1,5,5-trimethyl-3-cyclohexen-1-yl)-
CAS 68938-56-7C11H18O
![Ethanone, 1-[(1R,2R)-2,6,6-trimethyl-3-cyclohexen-1-yl]-, rel- chemical structure, C11H18O, CAS 41436-48-0](/s/WLTIDHLMFJRJHE-SCZZXKLOSA-N.svg)
Ethanone, 1-[(1R,2R)-2,6,6-trimethyl-3-cyclohexen-1-yl]-, rel-
CAS 41436-48-0C11H18O
8a-Methyloctahydro-2(1H)-naphthalenone
CAS 2530-17-8C11H18O
2-Cyclohexen-1-one, 3-isopropyl-5,5-dimethyl-
CAS 28017-79-0C11H18O
1(2H)-Naphthalenone, octahydro-8a-methyl-, cis-
CAS 770-62-7C11H18O
1-Oxaspiro(5.5)undec-4-ene, 4-methyl-
CAS 62062-89-9C11H18O
(3,3-Dimethylbicyclo(2.2.1)hept-2-yl)acetaldehyde
CAS 39850-66-3C11H18O
![Spiro[4.6]undecan-6-one chemical structure, C11H18O, CAS 73223-32-2](/s/UHXKIQDOEWEHIO-UHFFFAOYSA-N.svg)
Spiro[4.6]undecan-6-one
CAS 73223-32-2C11H18O
2,7-Nonadien-5-one, 2,8-dimethyl-
CAS 26536-72-1C11H18O
2,5,6,6-Tetramethylcyclohex-1-ene-1-carbaldehyde
CAS 31162-52-4C11H18O
2-Cyclohexylcyclopentan-1-one
CAS 39858-70-3C11H18O
2H-Pyran, 3,6-dihydro-4-(4-methyl-3-penten-1-yl)-
CAS 55873-95-5C11H18O
2H-Pyran, 3,6-dihydro-5-(4-methyl-3-pentenyl)-
CAS 71477-79-7C11H18O
Cyclohexanone, 2-isopropenyl-2,5-dimethyl-
CAS 6711-26-8C11H18O
1-(1-Cyclohexen-1-yl)-3-methylbutan-1-one
CAS 84604-57-9C11H18O
Cyclohexene, 1-(3-ethoxy-1-propenyl)-, (Z)-
CAS 51149-78-1C11H18O
- 1-Pentanone, 1-(1-cyclohexen-1-yl)-30857-54-6C11H18O
- Furan, 2-hexyl-5-methyl-5312-82-3C11H18O
- Cyclopentanone, 3-cyclohexyl-10264-57-0C11H18O
- 4-Penten-1-one, 1-cyclohexyl-59304-49-3C11H18O
- 3-Butylcyclohept-2-en-1-one103130-97-8C11H18O
- 2-{6,6-Dimethylbicyclo[3.1.1]heptan-2-yl}acetaldehyde64773-71-3C11H18O
- 3,5,6,7,8,8a-Hexahydro-4,7-dimethyl-2H-1-benzopyran93942-49-5C11H18O
- 2-Methyldec-5-yn-4-one63098-59-9C11H18O
- (R)-5-Cyclohexylpenta-3,4-dien-1-ol1639965-47-1C11H18O
- Cyclopentanone, 2-(4-methylpentylidene)-67845-57-2C11H18O
- 4a-(2H)-Naphthalenol, 1,3,4,7,8,8a-hexahydro-8a-methyl-, cis-67497-82-9C11H18O
- 5,7-Dimethyl-3,4,5,6,7,8-hexahydro-2H-chromene13030-86-9C11H18O
- 2-Ethoxy-1,1-bis(prop-2-enyl)cyclopropane52713-73-2C11H18O
- Cyclobutanone, 4-isopropylidene-2,2,3,3-tetramethyl-4868-12-6C11H18O
- 4,4-Dimethyl-2-allylcyclohexanone59077-96-2C11H18O
- 2,4,4-Trimethyl-8-methylene-1-oxaspiro[2.5]octane54345-62-9C11H18O
- 1,3-Cyclopentadiene, 5-methoxy-1,2,3,4,5-pentamethyl-114564-19-1C11H18O
- 3,6-Dimethyl-3-vinylhept-5-en-2-one80192-39-8C11H18O
- 1 suppliers3-Isopropyl-2-methyl-2,5-heptadien-4-one74402-67-8C11H18O
- 4-Nonyn-3-one, 2,2-dimethyl-53723-95-8C11H18O
- 4,7,7-Trimethylbicyclo[4.1.0]heptane-3-carbaldehyde68804-32-0C11H18O
- 5-Methyloctahydro-1H-4,7-methanoinden-5-ol118798-26-8C11H18O
- Spiro[4.6]undecan-1-one106185-60-8C11H18O
- Decahydronaphthalene-2-carbaldehyde10484-22-7C11H18O
- 4-(1E-Pentenyl)cyclohexanone96184-88-2C11H18O
- Cyclopentanone, 2-(2-ethylbutylidene)-, (2E)-67860-10-0C11H18O
- 4-Methyl-1-(1-methylethyl)bicyclo(3.1.0)hexane-3-carbaldehyde86265-01-2C11H18O
- 1-(4-Methyl-1-bicyclo[2.2.2]octanyl)ethanone5561-63-7C11H18O
- 1-Ethynyl-4-(propan-2-yl)cyclohexan-1-ol1479790-44-7C11H18O
- 5,6,7-Trimethylocta-2,5-dien-4-one1093229-44-7C11H18O
- 1-Hydroxyhomoadamantane31061-64-0C11H18O
- 3-Cyclohexyl-4-penten-2-one55702-54-0C11H18O
- 1-Cyclohexyl-2-methylbut-3-yn-2-ol5035-27-8C11H18O
- 3-(Hept-1-yn-1-yl)-2,2-dimethyloxirane65885-60-1C11H18O
- 1-[2,2-Dimethyl-3-(2-methylprop-1-enyl)cyclopropyl]ethanone18228-69-8C11H18O
- 2-Naphthol, 1,2,3,4,4a,5,6,7-octahydro-4a-methyl-91253-94-0C11H18O
- Bicyclo(5.3.1)undecan-11-one13348-11-3C11H18O
- 1-(2-Isopropenyl-5-methylcyclopentyl)ethanone202864-37-7C11H18O
- (5R,6S)-6-Butyl-5-methylcyclohex-2-en-1-one86509-56-0C11H18O
- 1-(3,5,5-Trimethyl-2-cyclohexen-1-yl)ethan-1-one84604-56-8C11H18O
- 1-(3,5,5-Trimethyl-3-cyclohexen-1-yl)ethan-1-one93904-57-5C11H18O
- 2,5-Dimethyl-2-(prop-1-enyl)hex-4-enal63007-26-1C11H18O
- 2H-Pyran, 5,6-dihydro-4-methyl-2-(1-methyl-1-buten-1-yl)-72230-91-2C11H18O
- 1,10-Undecadien-6-one69856-81-1C11H18O
- 4-Methyl-1-oxaspiro[5.5]undec-3-ene62062-94-6C11H18O
- (E)-Cyclanthone245360-19-4C11H18O
- 8-Methylspiro[4.5]decan-1-one678981-60-7C11H18O
- 2,2,6,6-Tetramethylhept-4-yn-3-one62688-81-7C11H18O
- 2-(6,6-Dimethylbicyclo(3.1.1)hept-2-en-3-yl)ethan-1-ol166389-92-0C11H18O
- 5-Hexylcyclopent-2-en-1-one87506-18-1C11H18O
- 4,7-Methano-1H-indene-5-methanol, octahydro-, (3aalpha,4alpha,5alpha,7alpha,7aalpha)-59728-11-9C11H18O
- 3-Hexylcyclopent-2-en-1-one53253-08-0C11H18O
- 6-Methyl-3-(1-methylethenyl)-5-hepten-2-one26533-38-0C11H18O
- 6-Methyl-3-(propan-2-ylidene)hept-5-en-2-one2520-63-0C11H18O
- Undec-6-yn-2-one91254-02-3C11H18O
- 1-Ethenyl-4-(propan-2-yl)cyclohex-2-en-1-ol133693-87-5C11H18O
- 2,6,6-Trimethyl-2-cyclohexenyl methyl ketone37709-66-3C11H18O
- 4,8-Dimethylnon-7-EN-1-YN-4-ol71869-02-8C11H18O
- 4-(4-Methylcyclohexyl)but-3-en-2-one2316-88-3C11H18O
- 2-Cyclopentyl-2-methyl-cyclopentanone61650-80-4C11H18O
- 4,4,6-Trimethylbicyclo[4.2.0]octan-2-one34274-88-9C11H18O
- Hvhjtorwpvbdtp-uhfffaoysa-58070-30-7C11H18O
- 1-Ethynyl-4-propylcyclohexan-1-ol1465520-17-5C11H18O
- 2,4,7-Trimethylocta-2,6-dienal63007-31-8C11H18O
- 1-(3-Buten-1-yloxy)bicyclo(2.2.1)heptane61192-18-5C11H18O
- Undeca-5,9-dien-2-one18379-05-0C11H18O
- 1-(Bicyclo[2.2.1]heptan-2-ylmethyl)cyclopropan-1-ol1247927-87-2C11H18O
- 1-(4,4-Dimethylcyclohexyl)prop-2-en-1-one1485214-14-9C11H18O
- 4,7-Methano-1H-indene-5-methanol, octahydro-, (3aalpha,4alpha,5beta,7alpha,7aalpha)-59728-12-0C11H18O
- Tricyclo(4.3.1.12,5)undecan-10-ol85523-06-4C11H18O
- cis-8-Methoxy-1,2,3,4,4a,5,6,8a-octahydronaphthalene101555-41-3C11H18O
- 2-Ethyl-2-propadienylhexanal4058-55-3C11H18O
- 3-Cyclohexene-1-propanal, 1,3-dimethyl-71735-72-3C11H18O
- 1-Undecyn-3-one76291-85-5C11H18O
- 2H-Pyran, 3,6-dihydro-4-methyl-2-(1-methyl-1-buten-1-yl)-72333-12-1C11H18O
- (2E)-2-Undecen-5-yn-1-ol75290-52-7C11H18O
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-(2,2,4-Trimethyl-3-cyclohexen-1-yl)ethan-1-one, 4-(Isopropyl)cyclohexadieneethanol, Ethanone, 1-[1,2,2(or 1,5,5)-trimethyl-3-cyclohexen-1-yl]-. 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.