C12H9NO2
242 compounds have this formula on CompoundList.
- Molar mass
- 199.21g/mol
- Monoisotopic mass
- 208.1198Da
- Atoms
- 24
- Elements
- 4
- Rings plus double bonds
- 9
The formula C12H9NO2 describes a molecule made of 12 carbon atoms, 9 hydrogen atoms, 1 nitrogen atom 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 × 1272.35%12.011 × 12 = 144.132 g/mol
- H Hydrogen × 94.55%1.008 × 9 = 9.072 g/mol
- N Nitrogen × 17.03%14.007 × 1 = 14.007 g/mol
- O Oxygen × 216.06%15.999 × 2 = 31.998 g/mol
Compounds with the formula C12H9NO2
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 201 to 242 of 242 compounds
![4-Aminodibenzo[b,d]furan-1-ol chemical structure, C12H9NO2, CAS 866361-92-4](/s/XWBHDEZYFATMPB-UHFFFAOYSA-N.svg)
![1-(4H-Furo[3,2-b]indol-2-yl)ethanone chemical structure, C12H9NO2, CAS 62144-26-7](/s/OSHZLPBXVBTFAE-UHFFFAOYSA-N.svg)
![3-Hydroxy-[2,4'-bipyridine]-4-carbaldehyde chemical structure, C12H9NO2, CAS 1638124-12-5](/s/CQTSWNPYUAEBCS-UHFFFAOYSA-N.svg)
![3-Cyano-1H,1aH,6H,6aH-cyclopropa[a]indene-1-carboxylic acid chemical structure, C12H9NO2, CAS 2059948-42-2](/s/IOCXPFFRXRTVSZ-UHFFFAOYSA-N.svg)
![4-[(E)-(2-Oxooxolan-3-ylidene)methyl]benzonitrile chemical structure, C12H9NO2, CAS 1530-63-8](/s/HMALVZVMHPJREZ-YRNVUSSQSA-N.svg)
![4-Methoxyfuro[3,2-C]quinoline chemical structure, C12H9NO2, CAS 120208-89-1](/s/NGFQLXGMALXXBJ-UHFFFAOYSA-N.svg)
![3-Aminodibenzo[b,d]furan-4-ol chemical structure, C12H9NO2, CAS 854585-13-0](/s/YTQWDYYRPRJKKG-UHFFFAOYSA-N.svg)
![1H-Indeno[1,2-b]pyridine-2,4(3H,5H)-dione chemical structure, C12H9NO2, CAS 91126-45-3](/s/QFZJEPSSRGPEAE-UHFFFAOYSA-N.svg)
![4-[(3-Hydroxyphenyl)imino]cyclohexa-2,5-dien-1-one chemical structure, C12H9NO2, CAS 65783-78-0](/s/SDLBDIYBACYTQO-UHFFFAOYSA-N.svg)
![3-Oxo-2,3-dihydro-1H-pyrrolo[1,2-a]indole-9-carbaldehyde chemical structure, C12H9NO2, CAS 90163-02-3](/s/QOKYFTBAWXOUDI-UHFFFAOYSA-N.svg)
- 1-Isocyanato-6-methoxynaphthalene1260666-65-6C12H9NO2
- (2E)-3-(Isoquinolin-8-yl)prop-2-enoic acid1563426-94-7C12H9NO2
- 4-[1-(Acetyloxy)-2-propyn-1-yl]benzonitrile2102196-19-8C12H9NO2
- 5-(1-Isocyanatocyclopropyl)-1-benzofuran2649003-35-8C12H9NO2
- 2-(Quinolin-4-yl)prop-2-enoic acid39528-76-2C12H9NO2
- 2-Isocyanato-6-methoxynaphthalene250255-92-6C12H9NO2
- 5-(2-Hydroxyphenyl)pyridine-3-carbaldehyde1258633-55-4C12H9NO2
- 7-Amino-dibenzofuran-2-ol667934-87-4C12H9NO2
- 1-(8-Hydroxyquinolin-5-yl)prop-2-en-1-one2420384-26-3C12H9NO2
- 2-(2-Hydroxyphenyl)isonicotinaldehyde2361318-87-6C12H9NO2
- 5,7-Dimethyl-2-oxo-2H-1-benzopyran-3-carbonitrile25816-62-0C12H9NO2
- 2-(Isoquinolin-5-yl)prop-2-enoic acid2229401-67-4C12H9NO2
- Methyl 5-ethynyl-1H-indole-3-carboxylate2694722-45-5C12H9NO2
- Methyl 6-ethynyl-1H-indole-4-carboxylate2870652-93-8C12H9NO2
- 3-(Isoquinolin-4-yl)acrylic acidC12H9NO2
- 3-(4-Methylphenyl)-5-oxo-2H-furan-4-carbonitrile50690-15-8C12H9NO2
- 5,7-Dihydro-1H-benzo[de]isoquinoline-1,3(2H)-dione2736215-11-3C12H9NO2
- 1,1,2,2,3,4,5,7,8-Nonadeuterio-6-nitroacenaphthylene2483831-38-3C12H9NO2
Frequently asked questions
What is the molar mass of C12H9NO2?
The molar mass of C12H9NO2 is 199.21 g/mol, calculated from standard atomic weights for 12 carbon atoms, 9 hydrogen atoms, 1 nitrogen atom and 2 oxygen atoms. The monoisotopic mass is 208.1198 Da.
How many compounds have the formula C12H9NO2?
CompoundList lists 242 compounds with the molecular formula C12H9NO2, including 4-Aminodibenzo[b,d]furan-1-ol, 2-(Quinolin-2-yl)prop-2-enoic acid, 2-(Quinolin-7-yl)prop-2-enoic acid. 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 C12H9NO2?
C12H9NO2 has a degree of unsaturation of 9. 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.