Molecular formula
C8H12O2
1,049 compounds have this formula on CompoundList.
- Molar mass
- 140.18g/mol
- Monoisotopic mass
- 143.0938Da
- Atoms
- 22
- Elements
- 3
- Rings plus double bonds
- 3
The formula C8H12O2 describes a molecule made of 8 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 × 868.55%12.011 × 8 = 96.088 g/mol
- H Hydrogen × 128.63%1.008 × 12 = 12.096 g/mol
- O Oxygen × 222.83%15.999 × 2 = 31.998 g/mol
Look up another formula
Compounds with the formula C8H12O2
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 601 to 700 of 1,049 compounds
(4-Methylcyclopent-2-en-1-yl) acetate
CAS 104387-86-2C8H12O2
2-(5-Methylfuran-2-yl)propan-2-ol
CAS 80828-39-3C8H12O2
Ethyl (1R)-cyclopent-2-ene-1-carboxylate
CAS 162084-63-1C8H12O2
![2-Propanone, 1-(3-oxabicyclo[3.1.0]hex-1-yl)-(9CI) chemical structure, C8H12O2, CAS 138042-39-4](/s/IIALVSMTYMAUTB-UHFFFAOYSA-N.svg)
2-Propanone, 1-(3-oxabicyclo[3.1.0]hex-1-yl)-(9CI)
CAS 138042-39-4C8H12O2
![(1R,3S,5S)-1-Methyl-8-oxabicyclo[3.2.1]oct-6-en-3-ol chemical structure, C8H12O2, CAS 160813-31-0](/s/XAJIWJYPGFXSMJ-RNJXMRFFSA-N.svg)
(1R,3S,5S)-1-Methyl-8-oxabicyclo[3.2.1]oct-6-en-3-ol
CAS 160813-31-0C8H12O2
4-Cyclopentene-1,3-diol, 4-ethenyl-2-methyl-, (1R,2S,3R)-
CAS 724460-23-5C8H12O2
1-Hepten-6-yne-3,5-diol, 4-methyl-, (3R,4S,5R)-
CAS 724460-24-6C8H12O2
2-Cyclopenten-1-one, 3-methoxy-2,5-dimethyl-
CAS 51036-27-2C8H12O2
2(3H)-Furanone, dihydro-5-methyl-5-(2-propenyl)-, (5R)-
CAS 654676-04-7C8H12O2
(E)-Oct-4-ene-3,6-dione
CAS 188485-50-9C8H12O2
(Z)-3,4-Dimethylhex-3-ene-2,5-dione
CAS 187830-21-3C8H12O2
4,4-Dimethylhex-5-ynoic acid
CAS 149209-51-8C8H12O2
3-Butyn-2-ol, 2-methyl-4-(2-methyloxiranyl)-
CAS 24724-36-5C8H12O2
![1,4-Dioxaspiro[4.5]dec-2-ene chemical structure, C8H12O2, CAS 59953-87-6](/s/KEMLLBHQBONAAX-UHFFFAOYSA-N.svg)
1,4-Dioxaspiro[4.5]dec-2-ene
CAS 59953-87-6C8H12O2
Ethyl 2-methylpent-4-ynoate
CAS 53190-46-8C8H12O2
![3-Methoxybicyclo[2.2.1]heptan-2-one chemical structure, C8H12O2, CAS 155200-45-6](/s/BEVWFIQRTMQJQW-UHFFFAOYSA-N.svg)
3-Methoxybicyclo[2.2.1]heptan-2-one
CAS 155200-45-6C8H12O2
![4,4,5-Trimethyl-3-oxabicyclo[3.1.0]hexan-2-one chemical structure, C8H12O2, CAS 33984-81-5](/s/AQSFHZUKVHTJIF-UHFFFAOYSA-N.svg)
4,4,5-Trimethyl-3-oxabicyclo[3.1.0]hexan-2-one
CAS 33984-81-5C8H12O2
Methyl 4-ethylcyclobutene-1-carboxylate
CAS 60697-57-6C8H12O2
Methyl 3-ethylcyclobutene-1-carboxylate
CAS 60697-56-5C8H12O2
2-Methylcycloheptane-1,3-dione
CAS 5601-78-5C8H12O2
![Methyl bicyclo[3.1.0]hexane-2-carboxylate chemical structure, C8H12O2, CAS 92984-39-9](/s/ZMHLDISVEUKZEO-UHFFFAOYSA-N.svg)
Methyl bicyclo[3.1.0]hexane-2-carboxylate
CAS 92984-39-9C8H12O2
Oct-7-ene-2,6-dione
CAS 51297-43-9C8H12O2
![Methyl bicyclo[2.2.0]hexane-1-carboxylate chemical structure, C8H12O2, CAS 79368-51-7](/s/BINUHINBZKGTCL-UHFFFAOYSA-N.svg)
Methyl bicyclo[2.2.0]hexane-1-carboxylate
CAS 79368-51-7C8H12O2
Methyl 3-methylcyclopent-3-ene-1-carboxylate
CAS 80137-82-2C8H12O2
- 4-Hydroxy-2-propylcyclopent-2-en-1-one61369-20-8C8H12O2
- 1-(2-Methoxycyclopent-1-en-1-yl)ethan-1-one89540-14-7C8H12O2
- 3-(2-Methylprop-1-en-1-yl)oxolan-2-one90292-26-5C8H12O2
- 3-Hydroxy-2-(propan-2-yl)cyclopent-2-en-1-one5857-26-1C8H12O2
- 3-(1-Hydroxyethyl)-2-methylcyclopent-2-en-1-one74600-39-8C8H12O2
- 2,6-Dimethylcyclohexane-1,4-dione14384-30-6C8H12O2
- (1R,6S)-6-Methylcyclohex-3-ene-1-carboxylic acid38073-86-8C8H12O2
- But-3-en-1-yl but-3-enoate96995-12-9C8H12O2
- 2,3-Dimethylcyclohexane-1,4-dione55050-27-6C8H12O2
- 1,4-Dimethyl-7-oxabicyclo[2.2.1]heptan-2-one87818-20-0C8H12O2
- Ethanone, 1-(3-hydroxy-1-cyclohexen-1-yl)-, (R)-(9CI)145788-51-8C8H12O2
- 3-(Prop-2-ynoxymethyl)oxolane643085-21-6C8H12O2
- 3-(Oxan-2-yl)prop-2-yn-1-ol56850-02-3C8H12O2
- 2,3,5,6,7,8-Hexahydro-1,4-benzodioxine114347-18-1C8H12O2
- (Z)-3-Methylhepta-2,6-dienoic acidC8H12O2
- 3-(2-Hydroxyethyl)-2-cyclohexenone111470-37-2C8H12O2
- Hexahydrocyclopenta[b]pyran-2(3H)-one6053-92-5C8H12O2
- 2-Acetyl-2-methylcyclopentan-1-one32939-27-8C8H12O2
- Methyl 4-methylcyclopentene-1-carboxylate128471-66-9C8H12O2
- Methyl (4S)-4-methylcyclopentene-1-carboxylateC8H12O2
- Methyl 5-methylhexa-2,3-dienoate34714-95-9C8H12O2
- Ethyl 2-methylcyclobutene-1-carboxylate146857-41-2C8H12O2
- 3-But-3-enyloxetane-3-carbaldehyde121318-26-1C8H12O2
- 2-(4-Oxocyclohexyl)acetaldehyde606122-74-1C8H12O2
- 3-(Oxan-2-yl)prop-2-enal2093595-21-0C8H12O2
- (2Z)-2-(Hydroxymethylidene)-5-methylcyclohexan-1-one142235-64-1C8H12O2
- 4-Ethenylcyclohex-1-ene-1,2-diol95415-36-4C8H12O2
- (6S)-6-(Propan-2-yl)-5,6-dihydro-2H-pyran-2-one919296-43-8C8H12O2
- [(2S,3S)-3-Pent-2-ynyloxiran-2-yl]methanol129083-14-3C8H12O2
- (4E,6Z)-4,6-Octadienoic acid1147102-65-5C8H12O2
- (1R)-1-(2,5-Dimethylfuran-3-yl)ethan-1-ol1452824-89-3C8H12O2
- (1S)-1-(2,5-Dimethylfuran-3-yl)ethan-1-ol1207739-91-0C8H12O2
- 5,5-Dimethylhexa-2,3-dienoic acid410087-76-2C8H12O2
- 2-Ethynyl-5,5-dimethyl-1,3-dioxane136831-03-3C8H12O2
- 1,4-Cyclohexanediol, 1-ethynyl-90199-12-5C8H12O2
- 1,3-Dioxolane, 2-(1-butynyl)-2-methyl-35792-10-0C8H12O2
- 2-Hexyne, 4,6-epoxy-1-methoxy-5-methyl-(8CI)33879-53-7C8H12O2
- 2,2-Dimethylcyclobutane-1,3-dicarbaldehyde220512-40-3C8H12O2
- 6-Oxabicyclo[3.2.1]octane-1-carbaldehyde132667-28-8C8H12O2
- 1-[(1R,5R)-5-Hydroxycyclohex-3-en-1-yl]ethanone256223-25-3C8H12O2
- 3-Hydroxy-3-methylhepta-4,5-dien-2-one237427-27-9C8H12O2
- Methyl (1R,2R)-2-methylcyclopent-3-ene-1-carboxylate777918-14-6C8H12O2
- Methyl (1S,5R)-bicyclo[3.1.0]hexane-6-carboxylate38284-36-5C8H12O2
- Ethyl 2-methylenecyclobutanecarboxylate35825-77-5C8H12O2
- 5,10-Dioxaspiro[3.6]dec-7-ene902137-92-2C8H12O2
- 3-Methylhepta-2,6-dienoic acid88227-03-6C8H12O2
- Octa-2,4,6-triene-2,7-diol141833-03-6C8H12O2
- 2-Methyl-6-oxohept-2-enal37477-50-2C8H12O2
- Oct-4-ene-3,6-dione101567-53-7C8H12O2
- Octa-2,6-dienoic acid83592-56-7C8H12O2
- Methyl 5-methylhexa-2,4-dienoate52148-91-1C8H12O2
- 4-Ethylhexa-2,4-dienoic acid152873-92-2C8H12O2
- 2,5,7,10-Tetrahydro-1,6-dioxecine22464-27-3C8H12O2
- 3,5-Dimethylhexa-2,4-dienoic acid83612-62-8C8H12O2
- Pent-3-en-2-yl prop-2-enoate132576-26-2C8H12O2
- 2,4-Dimethylhexa-2,4-dienoic acid241806-94-0C8H12O2
- 3-[(1S)-Cyclopent-2-en-1-yl]propanoic acid75088-31-2C8H12O2
- (1-(3-Methoxyprop-1-yn-1-yl)cyclopropyl)methanol956525-20-5C8H12O2
- (2r)-1-(5-Methylfuran-2-yl)propan-2-ol851885-28-4C8H12O2
- 3-(Furan-2-yl)butan-2-ol859444-32-9C8H12O2
- 5-(Cyclopropylmethyl)oxolan-2-one2171831-30-2C8H12O2
- 5-Ethyl-3-ethylideneoxolan-2-one62668-22-8C8H12O2
- 2-Ethylcyclopent-1-ene-1-carboxylic acid87621-29-2C8H12O2
- (1R,2R)-2-(2-Methylprop-1-en-1-yl)cyclopropane-1-carboxylic acid90129-52-5C8H12O2
- 2-(Hydroxymethylidene)-4-methylcyclohexan-1-one62334-20-7C8H12O2
- Octa-3,7-dienoic acid88534-45-6C8H12O2
- 2-Propyl-2H-1,3-dioxepine90467-77-9C8H12O2
- 1-Methyl-2-oxabicyclo[3.2.1]octan-3-one101581-02-6C8H12O2
- 2-(1-Methoxyethylidene)cyclopentan-1-one17216-04-5C8H12O2
- Cyclopropanecarboxylic acid, 2-(2-methyl-1-propenyl)-, trans-53166-51-1C8H12O2
- 3-Cyclopropyl-2-methylbut-2-enoic acid64701-90-2C8H12O2
- 3-Methyl-4-(prop-1-en-2-yl)oxolan-2-one633315-80-7C8H12O2
- But-2-en-1-yl but-2-enoate83244-66-0C8H12O2
- 2-Hydroxy-4-(propan-2-yl)cyclopent-2-en-1-one54639-82-6C8H12O2
- 2-(2-Methylcyclopentylidene)acetic acid1807940-67-5C8H12O2
- 3-(Furan-3-yl)butan-2-ol1500973-04-5C8H12O2
Frequently asked questions
What is the molar mass of C8H12O2?
The molar mass of C8H12O2 is 140.18 g/mol, calculated from standard atomic weights for 8 carbon atoms, 12 hydrogen atoms and 2 oxygen atoms. The monoisotopic mass is 143.0938 Da.
How many compounds have the formula C8H12O2?
CompoundList lists 1,049 compounds with the molecular formula C8H12O2, including (4-Methylcyclopent-2-en-1-yl) acetate, 2-(5-Methylfuran-2-yl)propan-2-ol, Ethyl (1R)-cyclopent-2-ene-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 C8H12O2?
C8H12O2 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.