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 401 to 500 of 730 compounds
![{(1R,2s,3r,4s)-3-[(Methoxymethoxy)methyl]bicyclo[2.2.1]hept-5-en-2-yl}methanol chemical structure, C11H18O3, CAS 512791-23-0](/s/GMLZDKYBLQTKTI-ZRUFSTJUSA-N.svg)
{(1R,2s,3r,4s)-3-[(Methoxymethoxy)methyl]bicyclo[2.2.1]hept-5-en-2-yl}methanol
CAS 512791-23-0C11H18O3
Ethyl 1-methyl-2-oxocycloheptane-1-carboxylate
CAS 20043-64-5C11H18O3
Ethyl 2-hydroxy-2-(4-methylcyclohex-1-en-1-yl)acetate
CAS 151674-54-3C11H18O3
![[1-(3-Oxopropyl)cyclohexyl] acetate chemical structure, C11H18O3, CAS 65657-41-2](/s/WXXQDQUDSIGRKC-UHFFFAOYSA-N.svg)
[1-(3-Oxopropyl)cyclohexyl] acetate
CAS 65657-41-2C11H18O3
2-Methyl-5-(oxan-2-yloxy)pent-3-yn-2-ol
CAS 14092-32-1C11H18O3
Dicyclopentyl carbonate
CAS 149674-63-5C11H18O3
5,8-Dihydroxy-1-methyloctahydronaphthalen-2(1H)-one
CAS 100053-24-5C11H18O3
![3,3-Dimethyl-2,4-dioxaspiro[5.5]undecan-9-one chemical structure, C11H18O3, CAS 73542-51-5](/s/CFFONXVEIPBIPU-UHFFFAOYSA-N.svg)
3,3-Dimethyl-2,4-dioxaspiro[5.5]undecan-9-one
CAS 73542-51-5C11H18O3
![5-Hydroxybicyclo[2.2.1]heptan-2-yl 2-methylpropanoate chemical structure, C11H18O3, CAS 791123-68-7](/s/YCEFQVGINJNOSQ-UHFFFAOYSA-N.svg)
5-Hydroxybicyclo[2.2.1]heptan-2-yl 2-methylpropanoate
CAS 791123-68-7C11H18O3
![Acetic acid--2,3-dimethyltricyclo[2.2.1.0~2,6~]heptan-3-ol (1/1) chemical structure, C11H18O3, CAS 59300-45-7](/s/NJDYBHKQTGFQLV-UHFFFAOYSA-N.svg)
Acetic acid--2,3-dimethyltricyclo[2.2.1.0~2,6~]heptan-3-ol (1/1)
CAS 59300-45-7C11H18O3
Methyl 2,2-dimethyl-4-oxocycloheptane-1-carboxylate
CAS 1312536-47-2C11H18O3
Ethyl 2-(cyclobutylmethyl)-3-oxobutanoate
CAS 938181-86-3C11H18O3
![6,6-Dimethoxy-3,3-dimethylbicyclo[3.2.0]heptan-2-one chemical structure, C11H18O3, CAS 88525-25-1](/s/XVBXGQZNYHMATC-UHFFFAOYSA-N.svg)
6,6-Dimethoxy-3,3-dimethylbicyclo[3.2.0]heptan-2-one
CAS 88525-25-1C11H18O3
6-(5-Hydroxy-4-methyloxolan-3-yl)hex-3-en-2-one
CAS 88536-85-0C11H18O3
Methyl 5-ethenyl-3-oxooctanoate
CAS 88681-88-3C11H18O3
![2-[(Propan-2-yl)oxy]ethyl hexa-2,4-dienoate chemical structure, C11H18O3, CAS 88973-72-2](/s/OEBRJHAHNKXYKE-UHFFFAOYSA-N.svg)
2-[(Propan-2-yl)oxy]ethyl hexa-2,4-dienoate
CAS 88973-72-2C11H18O3
Methyl 10-oxodec-5-enoate
CAS 89186-14-1C11H18O3
![5,5-Dimethoxy-10-oxadispiro[2.0.5~4~.1~3~]decane chemical structure, C11H18O3, CAS 89229-70-9](/s/BLKBRPMYZKUGHX-UHFFFAOYSA-N.svg)
5,5-Dimethoxy-10-oxadispiro[2.0.5~4~.1~3~]decane
CAS 89229-70-9C11H18O3
Methyl 3-(1-ethyl-2-oxocyclopentyl)propanoate
CAS 89241-08-7C11H18O3
![3-(1,4-Dioxaspiro[4.5]decan-6-yl)prop-2-en-1-ol chemical structure, C11H18O3, CAS 89244-32-6](/s/TVZDMYVGHHXEHK-UHFFFAOYSA-N.svg)
3-(1,4-Dioxaspiro[4.5]decan-6-yl)prop-2-en-1-ol
CAS 89244-32-6C11H18O3
Acetic acid--2,4,5-trimethylhexa-2,3,5-trien-1-ol (1/1)
CAS 89524-97-0C11H18O3
![(1-Hydroxyspiro[4.4]nonan-1-yl)acetic acid chemical structure, C11H18O3, CAS 89789-35-5](/s/VSMZCXODVITSLO-UHFFFAOYSA-N.svg)
(1-Hydroxyspiro[4.4]nonan-1-yl)acetic acid
CAS 89789-35-5C11H18O3
Ethyl 4-(1-hydroxycyclopentyl)but-2-enoate
CAS 89922-33-8C11H18O3
Ethyl 8-methoxyocta-2,7-dienoate
CAS 110744-14-4C11H18O3
- Ethyl 2-methyl-3-oxooct-6-enoate112292-84-9C11H18O3
- Ethyl 8-oxonon-2-enoate113279-98-4C11H18O3
- Ethyl 6-(propan-2-yl)-3,4-dihydro-2H-pyran-5-carboxylate131062-05-0C11H18O3
- Methyl 8-hydroxydeca-2,4-dienoate138110-89-1C11H18O3
- 11-Oxoundec-2-enoic acid143223-12-5C11H18O3
- Ethyl (2-acetylcyclopentyl)acetate188620-87-3C11H18O3
- 9,9-Dimethoxynona-2,4-dienal185139-22-4C11H18O3
- Methyl 6-ethyl-4-oxooct-2-enoate162218-88-4C11H18O3
- Ethyl (1R,8S)-9-oxabicyclo[6.1.0]nonane-1-carboxylate474549-41-2C11H18O3
- tert-Butyl cyclohex-2-ene-1-carboperoxoate63592-39-2C11H18O3
- 4,5-Dimethyl-5-(4-oxopentyl)oxolan-2-one63517-78-2C11H18O3
- Cycloheptyl 3-oxobutanoate653565-53-8C11H18O3
- (2S)-2-(Hydroxymethyl)-1-oxaspiro[5.5]undecan-4-one652986-70-4C11H18O3
- 1-[(7R)-1,4-Dioxaspiro[4.5]decan-7-yl]propan-2-one646038-36-0C11H18O3
- 2-Methyl-4-oxo-5-(propan-2-yl)cyclohexane-1-carboxylic acid62952-25-4C11H18O3
- Methyl 4-(hydroxymethyl)bicyclo[2.2.2]octane-2-carboxylate62934-96-7C11H18O3
- 2-(3,3-Dimethoxypropyl)cyclopent-1-ene-1-carbaldehyde62691-63-8C11H18O3
- 5-Hexyl-3-(hydroxymethylidene)oxolan-2-one62527-60-0C11H18O3
- Ethyl (4-methoxycyclohex-3-en-1-yl)acetate62141-23-5C11H18O3
- 6-Oxabicyclo[3.1.0]hexan-2-yl hexanoate62088-45-3C11H18O3
- Methyl 3-oxodec-4-enoate61619-50-9C11H18O3
- (1S,2S)-2,4,4-Trimethyl-6-oxocyclohexyl acetate61592-63-0C11H18O3
- (1S,4S)-2,2,4-Trimethyl-6-oxocyclohexyl acetate61592-62-9C11H18O3
- (1S,4R)-2,2,4-Trimethyl-6-oxocyclohexyl acetate61592-61-8C11H18O3
- Formic acid--[2-methyl-5-(prop-1-en-2-yl)cyclopent-1-en-1-yl]methanol (1/1)61553-42-2C11H18O3
- (7S,8R)-7-(Prop-1-en-2-yl)-1,4-dioxaspiro[4.5]decan-8-ol61543-81-5C11H18O3
- Acetic acid--3-methyloct-7-en-1-yn-3-ol (1/1)61422-77-3C11H18O3
- 3-(3-Ethyl-2-oxocyclohexyl)propanoic acid61154-32-3C11H18O3
- 4-(2-Oxocyclopentyl)butyl acetate61114-32-7C11H18O3
- 3-(1-Hydroxycyclohexyl)oxan-2-one61097-34-5C11H18O3
- Acetic acid--octahydro-1,5-methanopentalen-6-ol (1/1)61009-96-9C11H18O3
- Acetic acid--bicyclo[4.2.1]non-6-en-1-ol (1/1)88226-68-0C11H18O3
- 3-[(2,4-Dimethylhex-1-en-3-yl)oxy]prop-2-enoic acid88056-87-5C11H18O3
- Methyl 2-(butan-2-yl)-5-oxocyclopentane-1-carboxylate87682-83-5C11H18O3
- Methyl 2-butyl-5-oxocyclopentane-1-carboxylate87682-82-4C11H18O3
- Methyl 6,6-dimethyl-3-oxooct-7-enoate835597-69-8C11H18O3
- Ethyl [(1R)-1-methyl-2-oxocyclohexyl]acetate831170-20-8C11H18O3
- 3-(Hydroxymethyl)-3-methyl-2-oxaspiro[4.5]decan-1-one817206-94-3C11H18O3
- 4-Hydroxyundeca-7,10-dienoic acid90162-80-4C11H18O3
- Acetic acid 6-methoxy-3-methyl-2,5-heptadienyl ester55402-27-2C11H18O3
- 2-[(Oxan-2-yl)oxy]cyclopentane-1-carbaldehyde53229-79-1C11H18O3
- Methyl (4S)-4-methyl-6-[(prop-2-en-1-yl)oxy]hex-2-enoate922724-86-5C11H18O3
- Methyl (4R)-4-methyl-6-[(prop-2-en-1-yl)oxy]hex-2-enoate922724-80-9C11H18O3
- 1-Hydroxyspiro[3.5]nonan-7-one ethylene glycol acetal1823375-43-4C11H18O3
- 7-Propyl-1,4-dioxaspiro[4.5]decan-8-one1393544-35-8C11H18O3
- 1-(Oxan-3-yl)cyclopentane-1-carboxylic acid1541972-07-9C11H18O3
- 2,2-Dimethyl-1-(oxan-4-yl)cyclopropane-1-carboxylic acid1515964-16-5C11H18O3
- 2-Hydroxydecahydronaphthalene-2-carboxylic acid41248-19-5C11H18O3
- 3-Oxaspiro[5.5]undecane-7-carboxylic acid1554619-71-4C11H18O3
- tert-Butyl 2-(3-oxocyclopentyl)acetate129139-68-0C11H18O3
- (3aS,4R,6R,6aR)-6-Ethenyl-4-methoxy-2,2-dimethyl-4,5,6,6a-tetrahydro-3aH-cyclopenta[d][1,3]dioxole828937-31-1C11H18O3
- Methyl 1-[(oxiran-2-yl)methyl]cyclohexane-1-carboxylate1015084-84-0C11H18O3
- (3AS,4S,6S,6aR)-6-allyl-2,2-dimethyltetrahydro-4H-cyclopenta[d][1,3]dioxol-4-ol1535192-99-4C11H18O3
- Ethyl 5-(propan-2-yl)-1-oxaspiro[2.3]hexane-2-carboxylate1702961-86-1C11H18O3
- Ethyl 2-ethyl-5-methyl-1-oxaspiro[2.3]hexane-2-carboxylate1695294-77-9C11H18O3
- 4-Propanoyloctane-3,5-dione1692014-74-6C11H18O3
- 2-Methyl-4-propanoylheptane-3,5-dione1691841-77-6C11H18O3
- Methyl 2-(2,2-dimethylcyclopropanecarbonyl)butanoate1702834-08-9C11H18O3
- 1-Cyclohexyl-3-hydroxycyclobutane-1-carboxylic acid1896597-66-2C11H18O3
- 3-Hexanoyloxan-4-one1595053-95-4C11H18O3
- 4,4-Dimethyl-1-(oxolan-3-yl)pentane-1,3-dione1599776-04-1C11H18O3
- Ethyl 4-ethyl-1-oxaspiro[2.4]heptane-2-carboxylate1594626-28-4C11H18O3
- Ethyl 3-(cyclobutylmethyl)-3-methyloxirane-2-carboxylate1597070-53-5C11H18O3
- Methyl 3-(cyclobutylmethyl)-2,3-dimethyloxirane-2-carboxylate1594544-19-0C11H18O3
- alpha-(3,3-Diethoxy-1-propyn-1-yl)cyclopropanemethanol1539295-62-9C11H18O3
- Ethyl 3-cyclopentyl-2-methyl-3-oxopropanoate71911-67-6C11H18O3
- Ethyl 2-ethyl-4-oxocyclohexane-1-carboxylate104177-32-4C11H18O3
- Methyl 5-methoxybicyclo[2.2.2]octane-2-carboxylate1934303-33-9C11H18O3
- Ethyl 2-propan-2-yl-3,4-dihydropyran-2-carboxylate2050696-40-5C11H18O3
- 7,7-Dimethylspiro[bicyclo[4.1.0]heptane-3,2'-[1,3]dioxolan]-4-ol91319-16-3C11H18O3
- 2,2-Dimethyl-3-(oxan-3-yl)cyclopropane-1-carboxylic acid1702645-84-8C11H18O3
- 2,2-Dimethyl-3-(oxan-4-yl)cyclopropane-1-carboxylic acid1700096-13-4C11H18O3
- 1-(Cyclopropylmethyl)-4-hydroxycyclohexane-1-carboxylic acid1878701-79-1C11H18O3
- 1-Cyclobutyl-4-hydroxycyclohexane-1-carboxylic acid1872716-44-3C11H18O3
- 3-(4,4-Dimethylcyclohexyl)-2-oxopropanoic acid1864180-13-1C11H18O3
- 4-(2,2-Dimethylpropanoyl)-2,2-dimethyloxolan-3-one1850625-98-7C11H18O3
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 {(1R,2s,3r,4s)-3-[(Methoxymethoxy)methyl]bicyclo[2.2.1]hept-5-en-2-yl}methanol, Ethyl 1-methyl-2-oxocycloheptane-1-carboxylate, Ethyl 2-hydroxy-2-(4-methylcyclohex-1-en-1-yl)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 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.