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 501 to 600 of 841 compounds
![2-[4-(Aminomethyl)phenyl]-2-oxoacetaldehyde chemical structure, C9H9NO2, CAS 771582-24-2](/s/GARYBGVDSGFXED-UHFFFAOYSA-N.svg)
2-[4-(Aminomethyl)phenyl]-2-oxoacetaldehyde
CAS 771582-24-2C9H9NO2
2-Oxo-2-(m-tolyl)acetamide
CAS 1379312-09-0C9H9NO2
![3,4-Dihydro-2H-pyrano[3,2-c]pyridine-7-carbaldehyde chemical structure, C9H9NO2, CAS 959617-59-5](/s/IJZFPYXDEFQGSD-UHFFFAOYSA-N.svg)
3,4-Dihydro-2H-pyrano[3,2-c]pyridine-7-carbaldehyde
CAS 959617-59-5C9H9NO2
3,4-Dihydro-7-hydroxyquinoline-2(1H)-one-d6
CAS 1215336-37-0C9H9NO2
![4-Methoxy-3-methylbenzo[d]isoxazole chemical structure, C9H9NO2, CAS 1394900-05-0](/s/KJANWBXLHBTHSS-UHFFFAOYSA-N.svg)
4-Methoxy-3-methylbenzo[d]isoxazole
CAS 1394900-05-0C9H9NO2
6-(Methylamino)isobenzofuran-1(3H)-one
CAS 874478-15-6C9H9NO2
![7,8-Dihydro-5H-pyrano[4,3-B]pyridine-4-carbaldehyde chemical structure, C9H9NO2, CAS 1196156-09-8](/s/LOAMLZZNXAYZHW-UHFFFAOYSA-N.svg)
7,8-Dihydro-5H-pyrano[4,3-B]pyridine-4-carbaldehyde
CAS 1196156-09-8C9H9NO2
![6,7-Dihydro-5H-cyclopenta[c]pyridine-1-carboxylic acid chemical structure, C9H9NO2, CAS 1538514-73-6](/s/IRBZXFBNTZTOKD-UHFFFAOYSA-N.svg)
6,7-Dihydro-5H-cyclopenta[c]pyridine-1-carboxylic acid
CAS 1538514-73-6C9H9NO2
![3-Methoxy-5,6-dihydro-7H-cyclopenta[c]pyridin-7-one chemical structure, C9H9NO2, CAS 1544739-19-6](/s/YCNMCSJRPPDTQC-UHFFFAOYSA-N.svg)
3-Methoxy-5,6-dihydro-7H-cyclopenta[c]pyridin-7-one
CAS 1544739-19-6C9H9NO2
(2E)-4-(Pyridin-3-yl)but-2-enoic acid
CAS 1613049-58-3C9H9NO2
4-Hydroxy-6-methyl-1-(prop-2-yn-1-yl)pyridin-2(1H)-one
CAS 1934771-19-3C9H9NO2
5-Methoxyindolin-3-one
CAS 1369138-75-9C9H9NO2
6-(Hydroxymethyl)isoindolin-1-one
CAS 1351148-98-5C9H9NO2
1-(2-Methoxypyridin-3-yl)prop-2-en-1-one
CAS 1595669-41-2C9H9NO2
![3-Ethyl-5H-furo[3,4-b]pyridin-7-one chemical structure, C9H9NO2, CAS 1360885-08-0](/s/KUEQQIFXECPEOH-UHFFFAOYSA-N.svg)
3-Ethyl-5H-furo[3,4-b]pyridin-7-one
CAS 1360885-08-0C9H9NO2
3-Hydroxy-5-methoxy-4-methylbenzonitrile
CAS 72922-63-5C9H9NO2
3-Hydroxy-7,8-dihydroquinolin-5(6H)-one
CAS 1211582-47-6C9H9NO2
![3-Methoxy-6,7-dihydro-[1]pyrindin-5-one chemical structure, C9H9NO2, CAS 1211523-77-1](/s/AABIATTXVJVNFO-UHFFFAOYSA-N.svg)
3-Methoxy-6,7-dihydro-[1]pyrindin-5-one
CAS 1211523-77-1C9H9NO2
6-(Prop-1-en-2-yl)pyridine-3-carboxylic acid
CAS 1935325-83-9C9H9NO2
7-Quinolinol hydrate
CAS 220976-08-9C9H9NO2
1-(But-2-yn-1-yl)-4-hydroxy-1,2-dihydropyridin-2-one
CAS 2490404-46-9C9H9NO2
2-Hydroxy-3-methoxy-5-methylbenzonitrile
CAS 6948-31-8C9H9NO2
3-(4-Methylpyridin-3-yl)prop-2-enoic acid
CAS 100881-85-4C9H9NO2
(E)-3-(4-Methylpyridin-3-yl)prop-2-enoic acid
CAS 2097881-79-1C9H9NO2
- (R)-(+)-3-Methoxymandelonitrile10049-65-7C9H9NO2
- Rel-((1S,2R)-2-nitrocyclopropyl)benzene168974-79-6C9H9NO2
- 2-(Benzylimino)aceticacid772312-20-6C9H9NO2
- 1-(3-Acetylpyridin-4-yl)ethanone55676-05-6C9H9NO2
- 6-Methyl-3,4-dihydro-2H-1,3-benzoxazin-2-one1199-05-9C9H9NO2
- Methyl 3H-pyrrolizine-2-carboxylate61338-78-1C9H9NO2
- 4-Oxo-4,5,6,7-tetrahydro-1H-cyclopenta[b]pyridine-3-carbaldehyde90490-57-6C9H9NO2
- 3-Acetyl-4-hydroxycyclohexa-1,3-diene-1-carbonitrile95529-19-4C9H9NO2
- 5-Methoxy-7-benzofuranamine104747-05-9C9H9NO2
- 1-Hydroxy-5-methylindolin-2-one131388-00-6C9H9NO2
- 6-Methoxy-1H-indol-7-ol70837-63-7C9H9NO2
- 6,7-Dihydro-5H-[1,3]dioxolo[4,5-f]isoindole876503-22-9C9H9NO2
- N-(3-Methyl-4-oxocyclohexa-2,5-dien-1-ylidene)acetamide393109-67-6C9H9NO2
- 2-Methyl-3-hydroxy-4-formyl-5-vinylpyridine55273-29-5C9H9NO2
- (4-Aminobenzofuran-2-yl)methanol503621-00-9C9H9NO2
- 2-(2-Propen-1-yl)-4-pyridinecarboxylic acid1211523-22-6C9H9NO2
- 2-(2-Propen-1-yl)-3-pyridinecarboxylic acid1211536-95-6C9H9NO2
- 2-Propyn-1-ol, 3-(6-methoxy-3-pyridinyl)-218593-95-4C9H9NO2
- 2-(5-Propionylfuran-2-yl)acetonitrile405921-47-3C9H9NO2
- 5-Amino-2-methyl-2,3-dihydro-1-benzofuran-3-one1135298-33-7C9H9NO2
- (S)-Indoline-3-carboxylic acid773008-86-9C9H9NO2
- 2-Methyl-N-(prop-2-yn-1-yl)furan-3-carboxamide1090985-43-5C9H9NO2
- 1-Phenylaziridine-2-carboxylic acid152494-07-0C9H9NO2
- N-Formyl-N-methylbenzamide141264-25-7C9H9NO2
- 1-Isocyanato-2-methoxy-3-methylbenzene324008-66-4C9H9NO2
- 4-(1-Hydroxyethyl)phenyl cyanate212631-93-1C9H9NO2
- 1-Nitro-3-(1-propen-1-yl)benzene119273-79-9C9H9NO2
- 5,6-Dimethylbenzo[d]oxazol-2(3H)-one412307-87-0C9H9NO2
- 5-Methoxy-6-methyl-1,3-benzoxazole2459678-60-3C9H9NO2
- 4-(3-Hydroxyphenyl)azetidin-2-one777884-38-5C9H9NO2
- 3-(Pyridin-3-yl)dihydrofuran-2(3H)-one1314969-63-5C9H9NO2
- (1-Nitroprop-2-en-1-yl)benzene62753-13-3C9H9NO2
- 5-Oxo-1,2,3,5-tetrahydro-7-indolizinecarbaldehyde944407-78-7C9H9NO2
- 3-Methoxy-6-methylbenzo[d]isoxazole530144-87-7C9H9NO2
- 1-Isocyanato-3-(methoxymethyl)benzene859337-96-5C9H9NO2
- 4-(Pyridin-4-yl)but-2-enoic acid1563139-35-4C9H9NO2
- 2-Methoxyisoindolin-1-one861379-58-0C9H9NO2
- 6-Amino-3,4-dihydro-2H-1-benzopyran-2-one324020-97-5C9H9NO2
- 3-Amino-5-ethenylbenzoic acid1290117-14-4C9H9NO2
- 5-(Prop-1-en-2-yl)nicotinic acid1108726-86-8C9H9NO2
- 3-(1,2-Dihydroxyethyl)benzonitrile212374-02-2C9H9NO2
- 1-(Pyridin-3-yl)but-2-yne-1,4-diol391249-81-3C9H9NO2
- 1-(Benzo[c]isoxazol-1(3H)-yl)ethanone37601-13-1C9H9NO2
- 4-Methoxy-1H-indol-5-ol929045-64-7C9H9NO2
- 3-(2-Methoxy-4-pyridinyl)-2-propyn-1-ol1556227-66-7C9H9NO2
- 7-(Aminomethyl)isobenzofuran-1(3H)-one1427449-12-4C9H9NO2
- 6,7-Dihydro-5H-cyclopenta[c]pyridine-7-carboxylic acid792880-05-8C9H9NO2
- 5H,6H,7H-Cyclopenta[c]pyridine-5-carboxylic acid1550903-40-6C9H9NO2
- 1-Isocyanato-2-methoxy-4-methylbenzene85324-95-4C9H9NO2
- 5-Hydroxy-3-methylisoindolin-1-one1780703-13-0C9H9NO2
- N-2-Furanyl-2-furanmethanamine61070-24-4C9H9NO2
- 7,8-Dihydrooxepino[3,2-b]pyridin-9(6H)-one1561781-52-9C9H9NO2
- 1-(6-Methoxypyridin-3-yl)prop-2-en-1-one1877137-56-8C9H9NO2
- 4-Ethyl-2-hydroxybenzo[d]oxazole398136-52-2C9H9NO2
- 3-(Hydroxymethyl)-1H-indol-5-ol1892728-07-2C9H9NO2
- 3-Ethyl-1,2-benzisoxazol-4-ol1380697-34-6C9H9NO2
- 3-(Hydroxyamino)-1,2-dihydro-4H-inden-4-one73045-35-9C9H9NO2
- 5-Methyl-3-phenyl-1,4,2-dioxazole13715-48-5C9H9NO2
- 3-(5-Methoxypyridin-3-yl)prop-2-enal2111889-54-2C9H9NO2
- 3-(4-Methoxypyridin-2-yl)prop-2-enal2229683-35-4C9H9NO2
- 3-(5-Methoxypyridin-2-yl)prop-2-enal2229642-70-8C9H9NO2
- 1-(6-Methoxypyridin-2-yl)prop-2-en-1-one2229278-15-1C9H9NO2
- 3-(3-Methoxypyridin-2-yl)prop-2-enal2229663-40-3C9H9NO2
- 2-Oxo-1-(prop-2-en-1-yl)-1,2-dihydropyridine-3-carbaldehyde2445707-35-5C9H9NO2
- 5,6-Dihydroquinoline-5,6-diol87707-12-8C9H9NO2
- 3-(3-Hydroxyphenoxy)propanenitrile76240-23-8C9H9NO2
- Benzene,1-nitro-4-(1Z)-1-propen-1-yl-1879-54-5C9H9NO2
- 7-Benzofuranamine, 4-methoxy-769095-29-6C9H9NO2
- Methyl(Z)-3-(pyridin-3-yl)acrylate228271-59-8C9H9NO2
- 5-Amino-7-methylbenzofuran-6-ol167029-03-0C9H9NO2
- 7-Methyl-2,4-dihydro-1H-3,1-benzoxazin-2-one695154-42-8C9H9NO2
- 2H-1,4-Benzoxazin-2-one, 3,4-dihydro-3-methyl-84529-13-5C9H9NO2
- Methyl 3H-pyrrolizine-6-carboxylate20929-02-6C9H9NO2
- 4-(Aminomethyl)benzofuran-2(3H)-one342411-09-0C9H9NO2
- (Z)-Methyl 3-(pyridin-4-yl)acrylate119981-60-1C9H9NO2
- (7S,8R)-7,8-Dihydroquinoline-7,8-diol141977-87-9C9H9NO2
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-[4-(Aminomethyl)phenyl]-2-oxoacetaldehyde, 2-Oxo-2-(m-tolyl)acetamide, 3,4-Dihydro-2H-pyrano[3,2-c]pyridine-7-carbaldehyde. 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.