C11H8O3
157 compounds have this formula on CompoundList.
- Molar mass
- 188.18g/mol
- Monoisotopic mass
- 188.0473Da
- Atoms
- 22
- Elements
- 3
- Rings plus double bonds
- 8
The formula C11H8O3 describes a molecule made of 11 carbon atoms, 8 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 × 1170.21%12.011 × 11 = 132.121 g/mol
- H Hydrogen × 84.29%1.008 × 8 = 8.064 g/mol
- O Oxygen × 325.51%15.999 × 3 = 47.997 g/mol
Compounds with the formula C11H8O3
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 101 to 157 of 157 compounds
![6-Oxahexacyclo[7.3.0.0~2,4~.0~3,11~.0~4,8~.0~8,10~]dodecane-5,7-dione chemical structure, C11H8O3, CAS 10555-36-9](/s/LDFCPMLSHWZWHS-UHFFFAOYSA-N.svg)
![5-[2-(Furan-2-yl)ethenyl]furan-2-carbaldehyde chemical structure, C11H8O3, CAS 59212-80-5](/s/AIACPUWNEJBYJG-UHFFFAOYSA-N.svg)
- 7-Methyl-2-oxo-2H-1-benzopyran-3-carbaldehyde920525-97-9C11H8O3
- Methyl 4-propioloylbenzoate1636919-88-4C11H8O3
- Methyl 3-(3-formylphenyl)prop-2-ynoate2098040-81-2C11H8O3
- (4E)-4-Benzylideneoxolane-2,3-dione7153-55-1C11H8O3
- (2Z)-2-(3-Oxo-1H-inden-2-ylidene)acetic acidC11H8O3
- 3-Methoxyazulene-1,5-dione161467-12-5C11H8O3
- 5-(3-Hydroxyphenyl)-2-furaldehyde893733-41-0C11H8O3
- (1R)-1-Phenyl-3-oxabicyclo[3.1.0]hexane-2,4-dione185683-71-0C11H8O3
- 2H-[1,3]Dioxolo[4,5-h][3]benzoxepine270-27-9C11H8O3
- 1,3-Bis(hydroxymethylidene)-1,3-dihydro-2H-inden-2-one62119-06-6C11H8O3
- 11-Oxabicyclo[4.4.1]undeca-1(10),2,4,6,8-pentaene-2-carboxylic acid832111-30-5C11H8O3
- (1R,5S)-1-Phenyl-3-oxabicyclo[3.1.0]hexane-2,4-dioneC11H8O3
- Methyl 3-ethynyl-5-formylbenzoate2418648-63-0C11H8O3
- 6-Phenyl-3-oxabicyclo[3.1.0]hexane-2,4-dione777-45-7C11H8O3
- 3-(2-Formyl-6-methylphenyl)prop-2-ynoic acid2169631-56-3C11H8O3
- 3-(4-Formyl-3-methylphenyl)prop-2-ynoic acid2167318-51-4C11H8O3
- 3-(3-Formyl-5-methylphenyl)prop-2-ynoic acid2167438-47-1C11H8O3
- 3-(2-Formyl-5-methylphenyl)prop-2-ynoic acid2169074-18-2C11H8O3
- 3-(4-Formyl-2-methylphenyl)prop-2-ynoic acid2167228-26-2C11H8O3
- 3-(3-Ethynylphenyl)-2-oxopropanoic acid2228819-85-8C11H8O3
- 3-(2-Ethynylphenyl)-2-oxopropanoic acid2229173-68-4C11H8O3
- 3-Ethynyl-5-formyl-4-methylbenzoic acid2418649-79-1C11H8O3
- 5-Ethynyl-3-formyl-2-methylbenzoic acid2418705-55-0C11H8O3
- 3-(5-Formyl-2-methylphenyl)prop-2-ynoic acid2168072-48-6C11H8O3
- 3-(4-Ethynylphenyl)-2-oxopropanoic acid2229407-59-2C11H8O3
- 3-Ethynyl-5-formyl-2-methylbenzoic acid2418713-93-4C11H8O3
- Methyl 2-(2-ethynylphenyl)-2-oxoacetate262268-71-3C11H8O3
- 4-Benzylidenedihydrofuran-2,3-dioneC11H8O3
- Phenyl furan-3-carboxylate932722-63-9C11H8O3
- 2-(Furan-2-yl)-5-hydroxybenzaldehyde1361252-42-7C11H8O3
- 3-(3-Acetylphenyl)propiolic acid2511156-80-0C11H8O3
- Methyl 4-ethynyl-3-formylbenzoate1888396-93-7C11H8O3
- Furan-3-yl(4-hydroxyphenyl)methanone68204-88-6C11H8O3
Frequently asked questions
What is the molar mass of C11H8O3?
The molar mass of C11H8O3 is 188.18 g/mol, calculated from standard atomic weights for 11 carbon atoms, 8 hydrogen atoms and 3 oxygen atoms. The monoisotopic mass is 188.0473 Da.
How many compounds have the formula C11H8O3?
CompoundList lists 157 compounds with the molecular formula C11H8O3, including 2-(Methoxymethylidene)-1H-indene-1,3(2H)-dione, (1-Oxo-1H-isochromen-6-yl)acetaldehyde, 2,7-Dihydroxy-3-naphthaldehyde. 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 C11H8O3?
C11H8O3 has a degree of unsaturation of 8. 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.