Molecular formula
C9H12O2
794 compounds have this formula on CompoundList.
- Molar mass
- 152.19g/mol
- Monoisotopic mass
- 158.1214Da
- Atoms
- 23
- Elements
- 3
- Rings plus double bonds
- 4
The formula C9H12O2 describes a molecule made of 9 carbon atoms, 12 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 × 971.03%12.011 × 9 = 108.099 g/mol
- H Hydrogen × 127.95%1.008 × 12 = 12.096 g/mol
- O Oxygen × 221.02%15.999 × 2 = 31.998 g/mol
Look up another formula
Compounds with the formula C9H12O2
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 601 to 700 of 794 compounds
![4-Methylbicyclo[2.2.2]octane-2,6-dione chemical structure, C9H12O2, CAS 119986-98-0](/s/MDSIHOJODTWKJS-UHFFFAOYSA-N.svg)
4-Methylbicyclo[2.2.2]octane-2,6-dione
CAS 119986-98-0C9H12O2
![6-Ethenyl-2-oxabicyclo[3.2.1]octan-3-one chemical structure, C9H12O2, CAS 116524-63-1](/s/UQZQJFIIVDSYGG-UHFFFAOYSA-N.svg)
6-Ethenyl-2-oxabicyclo[3.2.1]octan-3-one
CAS 116524-63-1C9H12O2
Methyl cyclohepta-1,6-diene-1-carboxylate
CAS 42403-33-8C9H12O2
(1S)-1,2-Dimethylcyclohexa-2,5-diene-1-carboxylic acid
CAS 252891-36-4C9H12O2
![2'-Methylidenespiro[1,3-dioxolane-2,6'-bicyclo[3.1.0]hexane] chemical structure, C9H12O2, CAS 117342-04-8](/s/VKXPWBQDIDSWCA-UHFFFAOYSA-N.svg)
2'-Methylidenespiro[1,3-dioxolane-2,6'-bicyclo[3.1.0]hexane]
CAS 117342-04-8C9H12O2
Ethyl 4-methylidenecyclopentene-1-carboxylate
CAS 117370-13-5C9H12O2
![7,8-Dimethylidene-1,4-dioxaspiro[4.4]nonane chemical structure, C9H12O2, CAS 125404-49-1](/s/XQKLTFMBRLLSAQ-UHFFFAOYSA-N.svg)
7,8-Dimethylidene-1,4-dioxaspiro[4.4]nonane
CAS 125404-49-1C9H12O2
![8-Methyl-7-methylidene-1,4-dioxaspiro[4.4]non-8-ene chemical structure, C9H12O2, CAS 125404-51-5](/s/GVDJTEVCJOMYFD-UHFFFAOYSA-N.svg)
8-Methyl-7-methylidene-1,4-dioxaspiro[4.4]non-8-ene
CAS 125404-51-5C9H12O2
Methyl cyclohepta-1,3-diene-1-carboxylate
CAS 65093-79-0C9H12O2
Cyclopropanecarboxylic acid, 1-ethynyl-2,2-dimethyl-, methyl ester (9CI)
CAS 153943-63-6C9H12O2
![(1R,4R,5R)-5-Acetylbicyclo[2.2.1]heptan-2-one chemical structure, C9H12O2, CAS 143392-16-9](/s/MPIHDMDVIZMFBE-PRJMDXOYSA-N.svg)
(1R,4R,5R)-5-Acetylbicyclo[2.2.1]heptan-2-one
CAS 143392-16-9C9H12O2
Methyl 2-cyclopropylcyclobutene-1-carboxylate
CAS 146857-43-4C9H12O2
Cyclopropanecarboxylic acid, 1-(1-methylene-2-propenyl)-, methyl ester (9CI)
CAS 146857-47-8C9H12O2
Benzenemethanol, 4-hydroxy--alpha-,2-dimethyl-(9CI)
CAS 166327-54-4C9H12O2
![Ethyl 2-methylidenespiro[2.2]pentane-1-carboxylate chemical structure, C9H12O2, CAS 138469-28-0](/s/AMJKFAGXHJMMHW-UHFFFAOYSA-N.svg)
Ethyl 2-methylidenespiro[2.2]pentane-1-carboxylate
CAS 138469-28-0C9H12O2
3-(Furan-2-yl)-2,2-dimethylpropanal
CAS 141406-41-9C9H12O2
4-(2-Methylfuran-3-yl)butan-2-one
CAS 154378-67-3C9H12O2
4-(Ethoxymethyl)hexa-4,5-dien-1-yn-3-ol
CAS 651020-59-6C9H12O2
![(1S,2S,4S)-Bicyclo[2.2.2]oct-5-ene-2-carboxylic acid chemical structure, C9H12O2, CAS 20507-57-7](/s/RZQRFJYKWMUYLB-RNJXMRFFSA-N.svg)
(1S,2S,4S)-Bicyclo[2.2.2]oct-5-ene-2-carboxylic acid
CAS 20507-57-7C9H12O2
2-(1-Hydroxyethyl)-5-methylphenol
CAS 857755-72-7C9H12O2
Non-8-yne-2,4-dione
CAS 1195869-27-2C9H12O2
2-Cyclohexen-1-one, 2-hydroxy-5-(2-propenyl)-
CAS 745790-44-7C9H12O2
2-Hydroxy-4-prop-2-enylcyclohex-2-en-1-one
CAS 745790-42-5C9H12O2
![Tricyclo[4.3.0.0~1,4~]non-2-ene-7,7-diol chemical structure, C9H12O2, CAS 482581-52-2](/s/QQZQSFWCSVWQTN-UHFFFAOYSA-N.svg)
Tricyclo[4.3.0.0~1,4~]non-2-ene-7,7-diol
CAS 482581-52-2C9H12O2
- 2,4,5,6,7,7a-Hexahydro-1-benzofuran-3-carbaldehyde252721-65-6C9H12O2
- Tricyclo[5.1.0.0~2,4~]octane-5-carboxylic acid145571-40-0C9H12O2
- 3,3a,4,5,6,6a-Hexahydropentalene-1-carboxylic acid90673-63-5C9H12O2
- 3-Methylidenebicyclo[2.2.1]heptane-2-carboxylic acid90534-44-4C9H12O2
- 2-Cyclohepten-1-one, 2-acetyl-307965-58-8C9H12O2
- Ethanone, 1-(2-hydroxy-4-methyl-1,3-cyclohexadien-1-yl)-180292-79-9C9H12O2
- 4-Acetylbicyclo[2.2.1]heptan-2-one143659-22-7C9H12O2
- Ethyl cyclohexa-1,2-diene-1-carboxylate220596-31-6C9H12O2
- Methyl cyclohepta-2,4-diene-1-carboxylate171200-00-3C9H12O2
- Methyl cyclohepta-1,5-diene-1-carboxylate71032-03-6C9H12O2
- Cyclopropanecarboxylic acid, 1-(1-butynyl)-, methyl ester60042-80-0C9H12O2
- 6-Methyl-3-propan-2-ylpyran-2-one153905-42-1C9H12O2
- Bicyclo[3.2.1]octane-6,8-dione, 5-methyl-361353-97-1C9H12O2
- 2-Cyclohexen-1-one, 2-ethenyl-3-methoxy-221203-27-6C9H12O2
- 3-Acetyl-2-methylcyclohex-2-en-1-one37457-17-3C9H12O2
- 2-Ethyl-2,4-heptadiene-4-olide88348-44-1C9H12O2
- 3-(Cyclohex-2-en-1-yl)acrylic acid90534-29-5C9H12O2
- Non-4-en-6-ynoic acid88663-52-9C9H12O2
- 4-Methylocta-3,5-diene-2,7-dione105400-36-0C9H12O2
- Ethyl (cyclopent-2-en-1-ylidene)acetate1075-67-8C9H12O2
- 2-Methyl-5-[(prop-2-yn-1-yl)oxy]pent-3-yn-2-ol65624-43-3C9H12O2
- (3aR,6aR)-5,6-Dimethyl-1,3,3a,6a-tetrahydro-4H-cyclopenta[c]furan-4-one64837-59-8C9H12O2
- 3-(Prop-2-en-1-yl)-7-oxabicyclo[4.1.0]heptan-2-one64810-34-0C9H12O2
- (1S,5S)-1-Ethoxybicyclo[3.2.0]hept-6-en-2-one63504-81-4C9H12O2
- 4-Methoxy-2,6-dimethylcyclohexa-2,5-dien-1-one61776-91-8C9H12O2
- 3-Methyloct-2-en-6-ynoic acid646994-24-3C9H12O2
- 4-Methyl-2-oxaspiro[4.4]non-3-en-1-one62484-81-5C9H12O2
- 1-Methoxybicyclo[4.2.0]oct-4-en-7-one62353-70-2C9H12O2
- 4-Methoxybicyclo[4.2.0]oct-4-en-7-one62353-67-7C9H12O2
- 1-(3-Methyloxiran-2-yl)hexa-3,5-dien-1-one62120-23-4C9H12O2
- Methyl 3-(2-ethenylcyclopropyl)prop-2-enoate61871-64-5C9H12O2
- 2,3,4,5-Tetrahydropentalene-3a(1H)-carboxylic acid61242-24-8C9H12O2
- 8-Hydroxy-8-methylcycloocta-3,5-dien-1-one61173-55-5C9H12O2
- (3aS,7aS)-Hexahydro-1H-indene-1,4(2H)-dione61154-29-8C9H12O2
- (1R,8R)-Bicyclo[6.1.0]nonane-2,7-dione60582-67-4C9H12O2
- (1R,8S)-Bicyclo[6.1.0]nonane-2,7-dione60582-66-3C9H12O2
- (3aS,8aR)-3,3a,4,5,6,8a-Hexahydro-2H-cyclohepta[b]furan-2-one75649-70-6C9H12O2
- (4S,5S)-4-Methyl-5-(prop-2-en-1-yl)cyclopentane-1,3-dione76779-00-5C9H12O2
- Non-5-en-8-ynoic acid76047-80-8C9H12O2
- (4aR,8aS)-3,4,4a,7,8,8a-Hexahydro-1H-2-benzopyran-1-one87481-47-8C9H12O2
- Prop-2-en-1-yl hexa-3,5-dienoate87463-33-0C9H12O2
- Ethyl 5-methylhex-4-EN-2-ynoate921882-58-8C9H12O2
- 2-Acetyl-3,5-dimethylcyclopent-3-en-1-one102369-56-2C9H12O2
- 2-Acetyl-2,5-dimethylcyclopent-3-en-1-one102369-95-9C9H12O2
- Bicyclo[4.2.0]octan-7-one, 8-(hydroxymethylene)-328553-96-4C9H12O2
- 6-(Hydroxymethyl)tricyclo[3.3.0.02,8]oct-3-en-1-ol413615-81-3C9H12O2
- 3-Hydroxy-4-methyl-5-(prop-2-en-1-yl)cyclopent-2-en-1-one51953-67-4C9H12O2
- 5-[(1R)-1-Hydroxyethyl]-2-methylphenol1431299-41-0C9H12O2
- 3-[(2S)-2-Hydroxypropyl]phenol1432620-58-0C9H12O2
- 2-[(2R)-2-Hydroxypropyl]phenol1135540-63-4C9H12O2
- 2-[(2S)-2-Hydroxypropyl]phenol1238894-69-3C9H12O2
- 1-(But-3-yn-1-yl)cyclobutane-1-carboxylic acid1503047-95-7C9H12O2
- [1-(Furan-2-yl)cyclobutyl]methanol1503922-45-9C9H12O2
- [1-(5-Methylfuran-2-yl)cyclopropyl]methanol1526513-20-1C9H12O2
- 1-[1-(Furan-2-yl)cyclopropyl]ethan-1-ol1499021-52-1C9H12O2
- 2-Methyl-2-(5-methylfuran-2-yl)propanal1498971-52-0C9H12O2
- 2-[2-(2-Methyloxiran-2-yl)ethyl]furan1781683-88-2C9H12O2
- 5-(Hydroxymethylidene)spiro[2.5]octan-6-one1424995-27-6C9H12O2
- 2,3,7,7a-Tetrahydro-7a-hydroxy-1H-inden-5(6H)-one34057-93-7C9H12O2
- Methyl (1R,4S)-bicyclo[2.2.1]hept-2-ene-2-carboxylate2847800-41-1C9H12O2
- 3-Methyl-1-(prop-2-yn-1-yl)cyclobutanecarboxylic acid1707568-70-4C9H12O2
- Methyl 1-ethynylcyclopentane-1-carboxylate943923-23-7C9H12O2
- 1-[(5-Methylfuran-2-yl)methyl]cyclopropan-1-ol1889448-43-4C9H12O2
- 6-Oxospiro[2.5]octane-5-carbaldehyde1996275-50-3C9H12O2
- (5-Cyclobutylfuran-2-yl)methanol2060000-62-4C9H12O2
- 3-(But-3-yn-1-yl)oxolane-3-carbaldehyde1936220-12-0C9H12O2
- (E)-3-[[1,1 inverted exclamation mark-Bi(cyclopropan)]-2-yl]acrylic Acid1824897-16-6C9H12O2
- Spiro[3.5]nonane-2,7-dione52727-25-0C9H12O2
- 3-(But-2-yn-1-yl)oxolane-3-carbaldehyde1934458-96-4C9H12O2
- 3-(Furan-3-yl)-2,2-dimethylpropanal1934451-31-6C9H12O2
- 3-(Prop-2-yn-1-yl)oxane-3-carbaldehyde1936609-80-1C9H12O2
- 1,3-Dioxolane, 4-ethyl-4-methyl-5-(2-propynylidene)-3357-83-3C9H12O2
- 1,3-Dioxolane, 4-isopropyl-5-(2-propynylidene)-3357-86-6C9H12O2
- 2H-Pyran-2-one, 4-(2Z)-2-butenyl-5,6-dihydro-507470-46-4C9H12O2
- Methyl 3-vinylbicyclo[1.1.1]pentane-1-carboxylate2231676-13-2C9H12O2
- 2-Ethyl-5-(2-methyloxiran-2-yl)furan2248347-58-0C9H12O2
Frequently asked questions
What is the molar mass of C9H12O2?
The molar mass of C9H12O2 is 152.19 g/mol, calculated from standard atomic weights for 9 carbon atoms, 12 hydrogen atoms and 2 oxygen atoms. The monoisotopic mass is 158.1214 Da.
How many compounds have the formula C9H12O2?
CompoundList lists 794 compounds with the molecular formula C9H12O2, including 4-Methylbicyclo[2.2.2]octane-2,6-dione, 6-Ethenyl-2-oxabicyclo[3.2.1]octan-3-one, Methyl cyclohepta-1,6-diene-1-carboxylate. 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 C9H12O2?
C9H12O2 has a degree of unsaturation of 4. 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.