Molecular formula
C9H12O5
117 compounds have this formula on CompoundList.
- Molar mass
- 200.19g/mol
- Monoisotopic mass
- 200.0685Da
- Atoms
- 26
- Elements
- 3
- Rings plus double bonds
- 4
The formula C9H12O5 describes a molecule made of 9 carbon atoms, 12 hydrogen atoms and 5 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 × 954.00%12.011 × 9 = 108.099 g/mol
- H Hydrogen × 126.04%1.008 × 12 = 12.096 g/mol
- O Oxygen × 539.96%15.999 × 5 = 79.995 g/mol
Look up another formula
Compounds with the formula C9H12O5
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 100 of 117 compounds
rel-1,2-Dimethyl (1R,2R)-4-oxo-1,2-cyclopentanedicarboxylate
CAS 28269-03-6C9H12O5
Dimethyl 4-oxo-1,2-cyclopentanedicarboxylate
CAS 6453-07-2C9H12O5
1,2-Dimethyl (1R,2S)-4-oxocyclopentane-1,2-dicarboxylate
CAS 28269-02-5C9H12O5
3,4-Di-O-acetyl-L-arabinal
CAS 3945-18-4C9H12O5
rac-(1R,2S,3R,4S)-3-(Methoxycarbonyl)-7-oxabicyclo(2.2.1)heptane-2-carboxylic acid
CAS 121423-53-8C9H12O5
![4-(Ethoxycarbonyl)-2-oxabicyclo[2.1.1]hexane-1-carboxylic acid chemical structure, C9H12O5, CAS 2230807-41-5](/s/WZOFQIRJDSVCNL-UHFFFAOYSA-N.svg)
4-(Ethoxycarbonyl)-2-oxabicyclo[2.1.1]hexane-1-carboxylic acid
CAS 2230807-41-5C9H12O5
Methacryloxyethyl vinyl carbonate
CAS 145497-35-4C9H12O5
Allyl 5-methyl-2-oxo-1,3-dioxane-5-carboxylate
CAS 532424-75-2C9H12O5
2-Hydroxy-3-(4-hydroxyphenyl)propanoic acid hydrate
CAS 6482-98-0C9H12O5
5-(Methoxycarbonyl)-3-oxabicyclo(3.1.1)heptane-1-carboxylic acid
CAS 2385005-05-8C9H12O5
5-Deoxy-1,2-O-isopropylidene-alpha-D-xylo-hexofuranuronic acid gamma lactone
CAS 7057-10-5C9H12O5
2',3'-Dihydroxy-4'-methoxyacetophenone Hydrate
CAS 1135253-03-0C9H12O5
![4-(Hydroxymethyl)-3-oxaspiro[bicyclo[2.1.1]hexane-2,3'-oxetane]-1-carboxylic acid chemical structure, C9H12O5, CAS 2490400-58-1](/s/CXFPNMVCPHYISP-UHFFFAOYSA-N.svg)
4-(Hydroxymethyl)-3-oxaspiro[bicyclo[2.1.1]hexane-2,3'-oxetane]-1-carboxylic acid
CAS 2490400-58-1C9H12O5
7-Oxabicyclo(2.2.1)heptane-2,3-dicarboxylic acid, monomethyl ester
CAS 57105-58-5C9H12O5
2,3,4-Trihydroxy-6-(hydroxymethyl)-5-methylbenzylacohol
CAS 342652-60-2C9H12O5
Glycerol diacrylate
CAS 87137-82-4C9H12O5
2-(3-Methoxyallylidene)malonic acid dimethyl ester
CAS 41530-32-9C9H12O5
Rehmaglutin C
CAS 103744-81-6C9H12O5
Ethyl 2,5-dimethyl-3-oxo-4(2H)-furyl carbonate
CAS 102062-72-6C9H12O5
Ethyl 2-ethoxy-4-oxo-4,5-dihydrofuran-3-carboxylate
CAS 36717-48-3C9H12O5
5-(Ethoxymethylene)-2,2-dimethyl-1,3-dioxane-4,6-dione
CAS 15568-86-2C9H12O5
3,4-Di-O-acetyl-D-xylal
CAS 86257-92-3C9H12O5
Ethyl 2-oxo-2-(2-oxotetrahydro-2H-pyran-3-yl)acetate
CAS 61202-99-1C9H12O5
![4,4-Dimethyl-3,5,10,11-tetraoxatricyclo[6.2.1.02,6]undecan-7-one chemical structure, C9H12O5, CAS 92986-82-8](/s/HUWFYPWGWCZOIQ-UHFFFAOYSA-N.svg)
4,4-Dimethyl-3,5,10,11-tetraoxatricyclo[6.2.1.02,6]undecan-7-one
CAS 92986-82-8C9H12O5
- Dimethyl (1S,2S)-4-oxocyclopentane-1,2-dicarboxylate115794-30-4C9H12O5
- (1R,2S,3R,4S)-3-(Methoxycarbonyl)-7-oxabicyclo[2.2.1]heptane-2-carboxylic acid104485-83-8C9H12O5
- Ethyl 2-oxo-2-(4-oxotetrahydro-2H-pyran-3-yl)acetate857177-01-6C9H12O5
- 5-(1-Hydroxypropylidene)-2,2-dimethyl-1,3-dioxane-4,6-dione66696-76-2C9H12O5
- Bicyclo[2.2.1]heptane-2,3-dicarboxylic acid, 5-hydroxy-98954-78-0C9H12O5
- 2,2-Dimethyl-5-propanoyl-1,3-dioxane-4,6-dione64074-05-1C9H12O5
- 2-Butenedioic acid (E)-, ethyl oxiranylmethyl ester25876-47-5C9H12O5
- 1,2-Cyclopentanedicarboxylic acid, 3-oxo-, 1,2-dimethyl ester33797-40-9C9H12O5
- 4-Methoxycarbonyl-2-oxabicyclo[2.2.1]heptane-1-carboxylic acid2418692-24-5C9H12O5
- 7-Oxabicyclo(2.2.1)heptane-2,3-dicarboxylic acid, 1-methyl-, (exo,exo)-54384-23-5C9H12O5
- 7-Oxabicyclo(2.2.1)heptane-2,3-dicarboxylic acid, 5-methyl-, (2-exo,3-exo,5-endo)-109282-30-6C9H12O5
- 7-Oxabicyclo(2.2.1)heptane-2,3-dicarboxylic acid, 2-methyl-, (exo,exo)-127380-61-4C9H12O5
- (E)-3-Formylbut-2-endiyl diacetate56269-66-0C9H12O5
- 2,3,5-Trimethoxybenzene-1,4-diol95543-83-2C9H12O5
- (E)-Ethyl 2-hydroxy-2-(2-oxo-dihydro-2H-pyran-3(4H)-ylidene)acetate110977-72-5C9H12O5
- Methyl 5-ethyl-4-methyl-2-oxo-3,6-dioxabicyclo(3.1.0)hexane-1-carboxylate142438-58-2C9H12O5
- 3-Ethyl-4-oxocyclopentane-1,2-dicarboxylic acid15235-86-6C9H12O5
- 3,4,5-Trimethoxybenzene-1,2-diol198203-73-5C9H12O5
- 4,5-Dimethyl-3,6-dihydro-2H-pyran-2,2-dicarboxylic acid57668-94-7C9H12O5
- Methyl 5-acetoxy-2-methyl-4,5-dihydrofuran-3-carboxylate150437-92-6C9H12O5
- 3-Methyl-5-oxocyclohexane-1,2-dicarboxylic acid15941-53-4C9H12O5
- 2-Butenal, 4,4-bis(acetyloxy)-2-methyl-, (Z)-101513-14-8C9H12O5
- 2,2-Dimethyl-5-(2-oxopropyl)-1,3-dioxane-4,6-dione77228-15-0C9H12O5
- 3-Furancarboxylic acid, 5-(hydroperoxymethyl)-2-methyl-, ethyl ester130533-18-5C9H12O5
- Dimethyl 2-acetylcyclopropane-1,1-dicarboxylate75073-94-8C9H12O5
- 3,4,6-Trimethoxybenzene-1,2-diol56002-81-4C9H12O5
- Dimethyl (1R,2S)-3-oxocyclopentane-1,2-dicarboxylate69285-43-4C9H12O5
- Dimethyl 4-(methoxymethylidene)pent-2-enedioate114106-77-3C9H12O5
- Ethyl 2-(acetyloxy)-4-oxopent-2-enoate848237-12-7C9H12O5
- Dimethyl 2H-pyran-4,4(3H)-dicarboxylate1379315-93-1C9H12O5
- 3,5,7-Trioxononanoic acid61067-59-2C9H12O5
- Astepyrone86925-92-0C9H12O5
- Dimethyl 3,6-Dihydro-2H-pyran-2,5-dicarboxylate2743608-20-8C9H12O5
- 4-(Methoxycarbonyl)-2-oxabicyclo[3.1.1]heptane-1-carboxylic acid2648945-89-3C9H12O5
- 5-(1-Methoxyethylidene)-2,2-dimethyl-1,3-dioxane-4,6-dione121781-82-6C9H12O5
- 3-[(Cyclopentyloxy)carbonyl]oxirane-2-carboxylic acid738532-01-9C9H12O5
- Dimethyl (2E,4Z)-4-(methoxymethylene)-2-pentenedioateC9H12O5
- 3-Formylbut-2-endiyl diacetate85030-54-2C9H12O5
- 2-Methyl-2,4-diacetoxy-but-3-enal88347-71-1C9H12O5
- Methyl 2-oxohexahydro-2H-1,3-benzodioxole-5-carboxylate93549-65-6C9H12O5
- 3-(1-Oxobut-2-en-2-yl)pentanedioic acid220007-88-5C9H12O5
- 2-Methyl-4-oxobut-2-ene-1,1-diyl diacetate88347-72-2C9H12O5
- Diethyl 4-Oxo-2-pentenedioate854703-95-0C9H12O5
- 2,5-Dioxooxolan-3-yl 2,2-dimethylpropanoate1351479-12-3C9H12O5
- 6-Hydroxy-1-methyl-4-cyclohexene-1,2-dicarboxylic acid102449-90-1C9H12O5
- (2-Oxo-1,3-dioxan-5-yl)methyl methacrylate1354695-21-8C9H12O5
- (5-Methyl-2-oxo-1,3-dioxolan-4-yl)methyl 2-methyl-2-propenoate1531602-26-2C9H12O5
- 1-(Methoxycarbonyl)-4-oxocyclohexane-1-carboxylic acid2137602-71-0C9H12O5
- 5,6-Dimethyl 3,4-dihydro-2H-pyran-5,6-dicarboxylate152088-56-7C9H12O5
- Dimethyl (3-oxobut-1-en-1-yl)propanedioate1186-86-3C9H12O5
- 4-(Methoxycarbonyl)-7-oxabicyclo[2.2.1]heptane-1-carboxylic acid2866354-06-3C9H12O5
- Ethyl 7-oxo-2,5-dioxaspiro[3.4]octane-6-carboxylate2879218-11-6C9H12O5
- 1-(Methoxycarbonyl)-2-oxabicyclo[2.2.1]heptane-4-carboxylic acid3026716-25-3C9H12O5
- Dimethyl (Z)-2-(3-methoxyallylidene)malonate146562-86-9C9H12O5
- 2-Oxabicyclo[2.2.2]octane-3,3-dicarboxylic acid61779-37-1C9H12O5
- Methyl 2-ethyl-4-hydroxy-3-methyl-5-oxofuran-2-carboxylate112026-00-3C9H12O5
- (1R,2S,6S,8R)-4,4-Dimethyl-3,5,9,11-tetraoxatricyclo[6.2.1.02,6]undecan-7-one17073-94-8C9H12O5
- (2-Ethoxy-5-oxofuran-2-yl)methyl acetate120047-85-0C9H12O5
- (1R,2S,4S,5S)-Methyl 4-hydroxy-7-oxo-6-oxabicyclo[3.2.1]octane-2-carboxylate121787-41-5C9H12O5
- Dimethyl 6-Oxabicyclo[3.1.0]hexane-3,3-dicarboxylate155498-61-6C9H12O5
- [(1R,2R,4S,5S)-4-Acetyloxy-6-oxabicyclo[3.1.0]hexan-2-yl] acetate14087-34-4C9H12O5
- [(1S,2R,4S,5R)-4-Acetyloxy-6-oxabicyclo[3.1.0]hexan-2-yl] acetate14087-25-3C9H12O5
- Methyl 2-ethoxy-5-hydroxy-3-oxocyclopentene-1-carboxylate132561-28-5C9H12O5
- 4-(1-Hydroxyethyl)-6-methylbenzene-1,2,3,5-tetraol108192-46-7C9H12O5
- 4-Oxopent-2-ene-1,5-diyl diacetate163459-31-2C9H12O5
- Dimethyl 2-(2-methyloxiran-2-yl)but-2-enedioate64634-85-1C9H12O5
- 4,5,6-Trimethoxybenzene-1,3-diol111316-23-5C9H12O5
- 5-(1,2-Dihydroxyethyl)-3-methoxybenzene-1,2-diol851069-03-9C9H12O5
- (1S,2R,3S,4S)-3-(Methoxycarbonyl)-7-oxabicyclo[2.2.1]heptane-2-carboxylic acid1820583-15-0C9H12O5
- Cyclohexaneacetic acid, 1-carboxy-2-oxo-736997-05-0C9H12O5
- Benzoic acid, 3,4-dimethoxy-, monohydrate6159-60-0C9H12O5
- 3-(2,2-Dimethyl-1,3-dioxolan-4-yl)oxolane-2,5-dione2137625-92-2C9H12O5
- 2-Hydroxy-3-[5-(methoxymethyl)furan-2-yl]propanoic acid2172195-23-0C9H12O5
- Ethyl 7-oxo-2,5-dioxaspiro[3.4]octane-8-carboxylate2172535-69-0C9H12O5
- Methyl 2-hydroxy-2-[5-(methoxymethyl)furan-2-yl]acetate2228599-30-0C9H12O5
- (3R)-3-Hydroxy-3-[5-(methoxymethyl)furan-2-yl]propanoic acid2227708-69-0C9H12O5
Frequently asked questions
What is the molar mass of C9H12O5?
The molar mass of C9H12O5 is 200.19 g/mol, calculated from standard atomic weights for 9 carbon atoms, 12 hydrogen atoms and 5 oxygen atoms. The monoisotopic mass is 200.0685 Da.
How many compounds have the formula C9H12O5?
CompoundList lists 117 compounds with the molecular formula C9H12O5, including rel-1,2-Dimethyl (1R,2R)-4-oxo-1,2-cyclopentanedicarboxylate, Dimethyl 4-oxo-1,2-cyclopentanedicarboxylate, 1,2-Dimethyl (1R,2S)-4-oxocyclopentane-1,2-dicarboxylate. 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 C9H12O5?
C9H12O5 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.