C11H9NO3
752 compounds have this formula on CompoundList.
- Molar mass
- 203.20g/mol
- Monoisotopic mass
- 208.0896Da
- Atoms
- 24
- Elements
- 4
- Rings plus double bonds
- 8
The formula C11H9NO3 describes a molecule made of 11 carbon atoms, 9 hydrogen atoms, 1 nitrogen atom 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 × 1165.02%12.011 × 11 = 132.121 g/mol
- H Hydrogen × 94.46%1.008 × 9 = 9.072 g/mol
- N Nitrogen × 16.89%14.007 × 1 = 14.007 g/mol
- O Oxygen × 323.62%15.999 × 3 = 47.997 g/mol
Compounds with the formula C11H9NO3
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 701 to 752 of 752 compounds
![2H,3H,8H,9H-[1,4]Dioxino[2,3-g]quinolin-9-one chemical structure, C11H9NO3, CAS 1822690-38-9](/s/CDGUVQOFNPBMAS-UHFFFAOYSA-N.svg)
![Methyl [(2-ethynylphenyl)carbamoyl]formate chemical structure, C11H9NO3, CAS 2137711-90-9](/s/SKIXSDKMONKIEU-UHFFFAOYSA-N.svg)
- 3-Cyano-3-methyl-2,3-dihydrobenzofuran-5-carboxylic acid2677884-02-3C11H9NO3
- 5-Formyl-4-methyl-1H-indole-2-carboxylic acid2170451-05-3C11H9NO3
- 7-Methyl-1-oxo-1H-isochromene-3-carboxamide3054607-37-0C11H9NO3
- Methyl 4-(Furan-3-yl)pyridine-2-carboxylate2105156-65-6C11H9NO3
- Methyl 4-oxo-4H-quinolizine-3-carboxylate116922-19-1C11H9NO3
- N-Methyl-4-oxo-4H-chromene-3-carboxamide128884-77-5C11H9NO3
- 4-(4-Methyl-1,3-oxazol-2-yl)benzoicacid1513214-68-0C11H9NO3
- 2-(2-Formylindol-1-yl)acetic acid1395896-92-0C11H9NO3
- 3-Methyl-1-oxo-1,2-dihydroisoquinoline-6-carboxylic acid1893325-44-4C11H9NO3
- 4-(3-Cyanooxetan-3-yl)benzoic acid1603821-80-2C11H9NO3
- 4-Hydroxyquinoline-8-acetic acid1261631-50-8C11H9NO3
- 5-Formyl-1H-indol-3-yl acetate1409933-13-6C11H9NO3
- Methyl 4-oxo-1H-quinoline-5-carboxylate1018812-87-7C11H9NO3
- 4-(3-Hydroxybenzylidene)-2-methyloxazol-5(4H)-one85986-90-9C11H9NO3
- 4-(4-Hydroxybenzylidene)-2-methyloxazol-5(4H)-one73043-18-2C11H9NO3
- Methyl 3-cyano-6-formyl-2-methylbenzoate1803754-53-1C11H9NO3
- Methyl 7-hydroxyquinoline-6-carboxylate1261846-43-8C11H9NO3
- Methyl 6-hydroxyisoquinoline-1-carboxylate174299-02-6C11H9NO3
- 7-Hydroxy-8-methyl-quinoline-3-carboxylic acid1448260-07-8C11H9NO3
- Methyl 7-hydroxyquinoline-8-carboxylate1261636-70-7C11H9NO3
- 5-Methoxy-2-oxo-1,2-dihydroquinoline-3-carbaldehyde2323032-44-4C11H9NO3
- 6-Acetyl-4-hydroxyquinolin-2(1H)-one264260-10-8C11H9NO3
- 3-[(E)-2-Nitroprop-1-enyl]-1-benzofuran1564170-11-1C11H9NO3
- 5-(Acetyloxy)-2(1H)-quinolinone63430-35-3C11H9NO3
- 1-Hydroxy-6-methylisoquinoline-5-carboxylic acid2741601-94-3C11H9NO3
- 7-(Acetyloxy)-2(1H)-quinolinone220364-99-8C11H9NO3
- 7-Hydroxy-4-methyl-2-oxo-1,2-dihydroquinoline-3-carbaldehyde277313-53-8C11H9NO3
- 2-(Hydroxyiminomethyl)naphthalene-1,4-diolC11H9NO3
Frequently asked questions
What is the molar mass of C11H9NO3?
The molar mass of C11H9NO3 is 203.20 g/mol, calculated from standard atomic weights for 11 carbon atoms, 9 hydrogen atoms, 1 nitrogen atom and 3 oxygen atoms. The monoisotopic mass is 208.0896 Da.
How many compounds have the formula C11H9NO3?
CompoundList lists 752 compounds with the molecular formula C11H9NO3, including 1-(2,3-Dihydroxyphenyl)-3-oxocyclobutane-1-carbonitrile, 4-(1-Benzofuran-5-yl)-1,3-oxazolidin-2-one, 1-(2,5-Dihydroxyphenyl)-3-oxocyclobutane-1-carbonitrile. 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 C11H9NO3?
C11H9NO3 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.