Molecular formula
C9H9NO2
841 compounds have this formula on CompoundList.
- Molar mass
- 163.18g/mol
- Monoisotopic mass
- 169.1010Da
- Atoms
- 21
- Elements
- 4
- Rings plus double bonds
- 6
The formula C9H9NO2 describes a molecule made of 9 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 × 966.25%12.011 × 9 = 108.099 g/mol
- H Hydrogen × 95.56%1.008 × 9 = 9.072 g/mol
- N Nitrogen × 18.58%14.007 × 1 = 14.007 g/mol
- O Oxygen × 219.61%15.999 × 2 = 31.998 g/mol
Look up another formula
Compounds with the formula C9H9NO2
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 100 of 841 compounds
2,6-Diacetylpyridine
CAS 1129-30-2C9H9NO2
Indoline-2-carboxylic acid
CAS 78348-24-0C9H9NO2
3-Hydroxy-3-methyloxindole
CAS 3040-34-4C9H9NO2
4-Acetamidobenzaldehyde
CAS 122-85-0C9H9NO2
trans-4-Methyl-beta-nitrostyrene
CAS 5153-68-4C9H9NO2
Indoline-2-carboxylic acid, (S)-
CAS 79815-20-6C9H9NO2
gamma-Oxo-3-pyridinebutanal
CAS 76014-80-7C9H9NO2
7-Hydroxy-3,4-dihydrocarbostyril
CAS 22246-18-0C9H9NO2
1-Phenyl-2-nitropropene
CAS 705-60-2C9H9NO2
3-Phenyl-2-oxazolidinone
CAS 703-56-0C9H9NO2
6-Hydroxy-3,4-dihydro-2(1H)-quinolinone
CAS 54197-66-9C9H9NO2
3,4-Dimethoxybenzonitrile
CAS 2024-83-1C9H9NO2
Phenyldehydroalanine
CAS 7060-39-1C9H9NO2
2-Hydroxy-7,8-dihydro-5(6H)-quinolinone
CAS 15450-69-8C9H9NO2
p-Aminocinnamic acid
CAS 2393-18-2C9H9NO2
1-Methyl-4-(2-nitroethenyl)benzene
CAS 7559-36-6C9H9NO2
5-Hydroxy-1,2,3,4-tetrahydroisoquinolin-1-one
CAS 56469-02-4C9H9NO2
1-(Pyridin-3-yl)butane-1,3-dione
CAS 3594-37-4C9H9NO2
2-Methyl-2H-1,4-benzoxazin-3(4H)-one
CAS 21744-83-2C9H9NO2
1-Phenyl-1,2-propanedione-2-oxime
CAS 119-51-7C9H9NO2
Indoline-5-carboxylic acid
CAS 15861-30-0C9H9NO2
Indoline-3-carboxylic acid
CAS 39891-70-8C9H9NO2
(2E)-3-(3-Aminophenyl)acrylic acid
CAS 127791-53-1C9H9NO2
3,4-Dihydro-5-hydroxy-2(1H)-quinolinone
CAS 30389-33-4C9H9NO2
- 1-Methyl-2-((E)-2-nitroethenyl)benzene28638-59-7C9H9NO2
- 2 suppliers2,6-Dimethoxybenzonitrile16932-49-3C9H9NO2
- 1 suppliers1,2,3,5-Tetrahydro-4,1-benzoxazepin-2-one3693-08-1C9H9NO2
- 1 suppliers2,5-Dimethoxybenzonitrile5312-97-0C9H9NO2
- 2 suppliers5-Methoxyoxindole7699-18-5C9H9NO2
- 1 suppliers2H-1,4-Benzoxazine-3(4H)-one, 6-methyl-39522-26-4C9H9NO2
- 1 suppliers4-Hydroxy-3-methoxyphenylacetonitrile4468-59-1C9H9NO2
- 1 suppliersCinnamoylhydroxamic acid29900-75-2C9H9NO2
- 1 suppliersN-(2-Formylphenyl)acetamide13493-47-5C9H9NO2
- 5-Phenyl-1,3-oxazolidin-2-one7693-77-8C9H9NO2
- 1-(Pyridin-4-yl)butane-1,3-dione75055-73-1C9H9NO2
- 1 suppliers4-(2-Hydroxyethoxy)benzonitrile57928-96-8C9H9NO2
- 2,3-Dihydro-1H-indole-7-carboxylic acid15861-40-2C9H9NO2
- 6,7-Dihydroxy-3,4-dihydroisoquinoline4602-83-9C9H9NO2
- 2 suppliers4-Acetylbenzamide67014-02-2C9H9NO2
- 4 suppliers1-(Cyanomethyl)-3,5-dimethoxybenzene19179-31-8C9H9NO2
- 16 suppliers2-Oxazolidinone, 4-phenyl-, (4S)-99395-88-7C9H9NO2
- 1 suppliersMethyl (2E)-3-(4-pyridinyl)-2-propenoate81124-49-4C9H9NO2
- 1 suppliers2,3-Dimethoxybenzonitrile5653-62-3C9H9NO2
- 3a,4,7,7a-Tetrahydro-4,7-methano-1H-isoindole-1,3(2H)-dione3647-74-3C9H9NO2
- 4-(Formamido)acetophenone41656-75-1C9H9NO2
- 1 suppliers2H-1,4-Benzoxazin-3(4H)-one,4-methyl-21744-84-3C9H9NO2
- 12 suppliers(4R)-4-Phenyl-1,3-oxazolidin-2-one90319-52-1C9H9NO2
- 1 suppliers2,4-Dimethoxybenzonitrile4107-65-7C9H9NO2
- 1 suppliers5-Nitroindan7436-07-9C9H9NO2
- 2 suppliersIsocyanic acid, p-methoxybenzyl-56651-60-6C9H9NO2
- 5-Norbornene-2,3-dicarboximide, exo-6319-06-8C9H9NO2
- 1 suppliers2,3,4,5-Tetrahydro-1,4-benzoxazepin-5-one703-51-5C9H9NO2
- rac-(1R,2R)-2-(Pyridin-3-yl)cyclopropane-1-carboxylic acid731811-50-0C9H9NO2
- 1 suppliersBenzene, 1-ethoxy-2-isocyanato-5395-71-1C9H9NO2
- 4 suppliersIndoline-2-carboxylic acid, (R)-98167-06-7C9H9NO2
- (4-Methoxyphenyl)glycolonitrile33646-40-1C9H9NO2
- 1 suppliersBenzene, 1-ethoxy-4-isocyanato-32459-62-4C9H9NO2
- 1 suppliers2-Isocyanato-1-methoxy-4-methylbenzene59741-04-7C9H9NO2
- 1 suppliers2,3-Dihydro-1H-isoindole-1-carboxylic acid66938-02-1C9H9NO2
- 5-Methoxy-2,3-dihydro-1H-isoindol-1-one22246-66-8C9H9NO2
- 1 suppliers6-Methoxyoxindole7699-19-6C9H9NO2
- 6-Methoxy-2,3-dihydro-1H-isoindol-1-one132680-54-7C9H9NO2
- 8-Hydroxy-3,4-dihydroquinolin-2(1H)-one52749-50-5C9H9NO2
- 4-Methoxyphenoxyacetonitrile22446-12-4C9H9NO2
- N-Methyl-5,6-dihydroxyindole4821-00-5C9H9NO2
- N-(3-Formylphenyl)acetamide59755-25-8C9H9NO2
- 1-(Isocyanatomethyl)-3-methoxybenzene57198-56-8C9H9NO2
- 4-Formyl-N-methylbenzamide167837-57-2C9H9NO2
- 5 suppliers(3R,4S)-3-Hydroxy-4-phenyl-2-azetidinone132127-34-5C9H9NO2
- 4-Methoxy-2,3-dihydro-1H-isoindol-1-one366453-22-7C9H9NO2
- 1 suppliers1-(Pyridin-2-yl)butane-1,3-dione40614-52-6C9H9NO2
- 6-Methoxy-2-methylbenzoxazole23999-64-6C9H9NO2
- Allyl isonicotinate25635-24-9C9H9NO2
- 1 suppliers4-Methoxy-2-indolinone7699-17-4C9H9NO2
- 1 suppliers4-Methoxy-2-methylphenyl isocyanate60385-06-0C9H9NO2
- 1 suppliers6-Hydroxy-1,2,3,4-tetrahydroisoquinolin-1-one22245-98-3C9H9NO2
- 3-Formyl-N-methylbenzamide183739-65-3C9H9NO2
- 1 suppliers5-Cyclopropylpyridine-3-carboxylic acid893738-23-3C9H9NO2
- 2-Cyclopropylpyridine-4-carboxylic acid1216171-07-1C9H9NO2
- 4-Phenyloxazolidin-2-one7480-32-2C9H9NO2
- rac-(1R,2R)-2-(Pyridin-2-yl)cyclopropane-1-carboxylic acid731811-62-4C9H9NO2
- 5-Hydroxy-1-methylindolin-2-one6062-24-4C9H9NO2
- 1 suppliers5-Cyclopropylpyridine-2-carboxylic acid1174322-66-7C9H9NO2
- 6-Hydroxy-2-methylisoindolin-1-one1344701-44-5C9H9NO2
- 5-Methoxy-2-methylbenzoxazole5676-57-3C9H9NO2
- 1 suppliersMethyl 5-ethenylpyridine-3-carboxylate38940-67-9C9H9NO2
- 1-Isocyano-2,4-dimethoxybenzene1984-21-0C9H9NO2
- (R)-(+)-4-Methoxymandelonitrile97070-73-0C9H9NO2
- 6-Cyclopropylnicotinic acid75893-75-3C9H9NO2
- 2,3,5,6,7,8-Hexahydroisoquinoline-3,8-dione56053-57-7C9H9NO2
- 5H,6H,7H-Cyclopenta(b)pyridine-3-carboxylic acid114402-11-8C9H9NO2
- 2-Cyclopropylpyridine-3-carboxylic acid1244761-65-6C9H9NO2
- 4,5-Dihydro-1,4-benzoxazepin-3(2H)-one34844-80-9C9H9NO2
- 2-(1,2-Benzoxazol-3-yl)ethan-1-ol57148-90-0C9H9NO2
- (E)-3-(2-Methylpyridin-4-yl)acrylic acid2097881-89-3C9H9NO2
- 3,5-Dimethyl-2,3-dihydro-1,3-benzoxazol-2-one88882-28-4C9H9NO2
- 5-(Hydroxymethyl)-1,3-dihydro-2H-indol-2-one612487-61-3C9H9NO2
- 3-Hydroxy-1-methyl-2,3-dihydro-1H-indol-2-one3335-86-2C9H9NO2
- 2,3,4,5-Tetrahydro-1,5-benzoxazepin-4-one704-48-3C9H9NO2
- 5-Hydroxy-2-methyl-2,3-dihydro-1H-isoindol-1-one109803-65-8C9H9NO2
Frequently asked questions
What is the molar mass of C9H9NO2?
The molar mass of C9H9NO2 is 163.18 g/mol, calculated from standard atomic weights for 9 carbon atoms, 9 hydrogen atoms, 1 nitrogen atom and 2 oxygen atoms. The monoisotopic mass is 169.1010 Da.
How many compounds have the formula C9H9NO2?
CompoundList lists 841 compounds with the molecular formula C9H9NO2, including 2,6-Diacetylpyridine, Indoline-2-carboxylic acid, 3-Hydroxy-3-methyloxindole. 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 C9H9NO2?
C9H9NO2 has a degree of unsaturation of 6. 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.