Molecular formula
C12H12O3
771 compounds have this formula on CompoundList.
- Molar mass
- 204.23g/mol
- Monoisotopic mass
- 206.0819Da
- Atoms
- 27
- Elements
- 3
- Rings plus double bonds
- 7
The formula C12H12O3 describes a molecule made of 12 carbon atoms, 12 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 × 1270.58%12.011 × 12 = 144.132 g/mol
- H Hydrogen × 125.92%1.008 × 12 = 12.096 g/mol
- O Oxygen × 323.50%15.999 × 3 = 47.997 g/mol
Look up another formula
Compounds with the formula C12H12O3
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 701 to 771 of 771 compounds
5-Ethyl-1-oxo-3,4-dihydro-1H-2-benzopyran-3-carbaldehyde
CAS 2137715-65-0C12H12O3
Methyl 3-(2-ethynylphenyl)-2-hydroxypropanoate
CAS 2229094-23-7C12H12O3
5-(1-Ethynylcyclopropyl)-3-methoxybenzene-1,2-diol
CAS 2228442-91-7C12H12O3
3-(3-Ethynylphenyl)-2-hydroxy-2-methylpropanoic acid
CAS 2228298-68-6C12H12O3
3-(3-Ethynylphenyl)-2-methoxypropanoic acid
CAS 2229086-69-3C12H12O3
Methyl 3-(3-ethynylphenyl)-3-hydroxypropanoate
CAS 2229292-67-3C12H12O3
Methyl (3R)-3-(3-ethynylphenyl)-3-hydroxypropanoate
CAS 2227790-55-6C12H12O3
Methyl 3-(4-ethynylphenyl)-2-hydroxypropanoate
CAS 2229373-62-8C12H12O3
Methyl 2-(1-formylcyclopropyl)benzoate
CAS 2229602-32-6C12H12O3
1-(2,3-Dihydro-1,4-benzodioxin-2-yl)cyclopropane-1-carbaldehyde
CAS 2228277-42-5C12H12O3
Ethyl 3-(2-hydroxy-5-methylphenyl)prop-2-ynoate
CAS 2138235-36-4C12H12O3
Methyl 2-methyl-4-(prop-2-enoyl)benzoate
CAS 2229078-05-9C12H12O3
3-Cyclopropyl-2,3-dihydro-1-benzofuran-2-carboxylic acid
CAS 2138370-97-3C12H12O3
3-(3,4-Dihydro-1H-2-benzopyran-6-yl)prop-2-enoic acid
CAS 2030712-48-0C12H12O3
6-Acetyl-3,3-dimethyl-1,3-dihydro-2-benzofuran-1-one
CAS 2172216-23-6C12H12O3
Methyl 5,6-dimethyl-1-benzofuran-3-carboxylate
CAS 2138149-48-9C12H12O3
Methyl 7-ethyl-1-benzofuran-2-carboxylate
CAS 2120925-66-6C12H12O3
Methyl 2-methyl-4-(3-oxoprop-1-en-1-yl)benzoate
CAS 2229686-15-9C12H12O3
5-Methoxy-7-(prop-2-yn-1-yl)-2,3-dihydro-1,4-benzodioxine
CAS 2228478-92-8C12H12O3
Methyl (3R)-3-(2-ethynylphenyl)-3-hydroxypropanoate
CAS 2227730-79-0C12H12O3
3-(2-Ethynylphenyl)-2-hydroxy-2-methylpropanoic acid
CAS 2228485-16-1C12H12O3
Methyl 4-methoxy-3-(prop-2-yn-1-yl)benzoate
CAS 2228327-11-3C12H12O3
Methyl 5-formyl-2,3-dihydro-1H-indene-2-carboxylate
CAS 2918343-00-5C12H12O3
3-(2-Ethynyl-5-methoxyphenyl)propanoic acid
CAS 2913424-57-2C12H12O3
- Methyl 2-(3-methyl-1-benzofuran-5-yl)acetate2107781-30-4C12H12O3
- (E)-3-(4-(2-Oxopropyl)phenyl)acrylic acid1807418-41-2C12H12O3
- (E)-3-(2-Propionylphenyl)acrylic acid1807382-00-8C12H12O3
- (E)-3-(2-(3-Oxopropyl)phenyl)acrylic acid1807418-34-3C12H12O3
- (E)-3-(3-(3-Oxopropyl)phenyl)acrylic acid1807314-12-0C12H12O3
- (E)-3-(4-(3-Oxopropyl)phenyl)acrylic acid1807386-95-3C12H12O3
- 1-(3H-Spiro[benzo[b][1,4]dioxine-2,1'-cyclopropan]-7-yl)ethan-1-one2899345-85-6C12H12O3
- Methyl 2,4-Dimethylbenzofuran-3-carboxylate2117370-93-9C12H12O3
- 1-[5-Methoxy-2-(prop-2-yn-1-yloxy)phenyl]ethanone2500802-71-9C12H12O3
- 1-(4-Methoxy-2-methylbenzofuran-7-yl)ethanone412022-23-2C12H12O3
- Ethyl alpha-oxobicyclo[4.2.0]octa-1,3,5-triene-3-acetate156293-40-2C12H12O3
- Ethyl 4-phenoxy-2-butynoate174000-93-2C12H12O3
- 6-Methoxy-4,7-dimethylchromen-2-one5248-21-5C12H12O3
- 1-Methyl-4-oxo-2,3-dihydronaphthalene-1-carboxylic acid3123-55-5C12H12O3
- 7,8-Dimethoxynaphthalen-2-ol2283-56-9C12H12O3
- Methyl 6-methyl-2H-chromene-3-carboxylate118670-81-8C12H12O3
- 5,6-Dimethoxy-1,4-dihydro-1,4-epoxynaphthalene135678-74-9C12H12O3
- Methyl 7-oxo-5,6,7,8-tetrahydronaphthalene-1-carboxylate168017-15-0C12H12O3
- 1,4-Methanonaphthalene-5,6-dione, 1,4,4a,8a-tetrahydro-7-methoxy-(8CI)32235-33-9C12H12O3
- 5,8-Dimethylnaphthalene-1,2,3-triol31368-16-8C12H12O3
- 1,3-Benzodioxol-5-ylcyclobutylmethanone1226420-92-3C12H12O3
- 3-(p-Tolyl)dihydro-2H-pyran-2,6(3H)-dione1267005-61-7C12H12O3
- 8-Methyl-4-oxo-1,2,3,4-tetrahydronaphthalene-2-carboxylic acid16035-95-3C12H12O3
- 6,7,8,9-Tetrahydrodibenzofuran-1,2-diol123558-80-5C12H12O3
- 5-(3,6-Dihydro-2H-pyran-4-yl)benzo[d][1,3]dioxole914365-67-6C12H12O3
- 6-Phenyl-3,4-dihydro-2H-pyran-5-carboxylic acid41034-84-8C12H12O3
- 6-Hydroxy-2-(2-methylpropylidene)benzofuran-3(2H)-oneC12H12O3
- Methyl 6-formyl-2,3-dihydro-1H-indene-5-carboxylate1914968-09-4C12H12O3
- 3-Methyl-5-oxo-5,6,7,8-tetrahydronaphthalene-2-carboxylic acid1273655-91-6C12H12O3
- 3-Methyl-8-oxo-5,6,7,8-tetrahydronaphthalene-2-carboxylic acid1092349-10-4C12H12O3
- 4-Methyl-8-oxo-5,6,7,8-tetrahydronaphthalene-2-carboxylic acid1336949-16-6C12H12O3
- 3,3-Dimethyl-2-oxo-indane-5-carboxylic acid1367006-99-2C12H12O3
- 1,1-Dimethyl-2-oxo-indane-5-carboxylic acid1367434-46-5C12H12O3
- 2-Acetyl-3-methyl-4-methoxy benzofuran1426962-11-9C12H12O3
- Ethyl 2-oxoindane-5-carboxylate2090649-40-2C12H12O3
- 2-[3-(3-Oxobut-1-enyl)phenyl]acetic acid34841-54-8C12H12O3
- 4-Isopropyl-7-methylbenzofuran-2,3-dione82994-26-1C12H12O3
- 4-(3-Methylbut-2-enoyl)benzoic acid1276110-92-9C12H12O3
- 2-Ethyl-5-methoxybenzofuran-4-carbaldehyde2022968-48-3C12H12O3
- 3-(Ethoxymethylidene)-3,4-dihydro-2H-1-benzopyran-4-one1603950-09-9C12H12O3
- Methyl 3-(4-formyl-3-methylphenyl)prop-2-enoate3078584-35-4C12H12O3
- 3'-Propyl-3H-spiro[isobenzofuran-1,2'-oxiran]-3-one2944272-81-3C12H12O3
- Methyl 8-methyl-2H-chromene-3-carboxylate1824631-96-0C12H12O3
- Methyl 5-methyl-2H-chromene-3-carboxylate1823092-17-6C12H12O3
- 5-Formyl-2,3-dihydro-1H-inden-2-yl acetate3026715-82-9C12H12O3
- Methyl (E)-4-(2-formylphenyl)but-2-enoateC12H12O3
- (2Z,4E)-5-(3-Methoxyphenyl)penta-2,4-dienoic acidC12H12O3
Frequently asked questions
What is the molar mass of C12H12O3?
The molar mass of C12H12O3 is 204.23 g/mol, calculated from standard atomic weights for 12 carbon atoms, 12 hydrogen atoms and 3 oxygen atoms. The monoisotopic mass is 206.0819 Da.
How many compounds have the formula C12H12O3?
CompoundList lists 771 compounds with the molecular formula C12H12O3, including 5-Ethyl-1-oxo-3,4-dihydro-1H-2-benzopyran-3-carbaldehyde, Methyl 3-(2-ethynylphenyl)-2-hydroxypropanoate, 5-(1-Ethynylcyclopropyl)-3-methoxybenzene-1,2-diol. 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 C12H12O3?
C12H12O3 has a degree of unsaturation of 7. 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.