Molecular formula
C8H9NO3
879 compounds have this formula on CompoundList.
- Molar mass
- 167.16g/mol
- Monoisotopic mass
- 171.0833Da
- Atoms
- 21
- Elements
- 4
- Rings plus double bonds
- 5
The formula C8H9NO3 describes a molecule made of 8 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 × 857.48%12.011 × 8 = 96.088 g/mol
- H Hydrogen × 95.43%1.008 × 9 = 9.072 g/mol
- N Nitrogen × 18.38%14.007 × 1 = 14.007 g/mol
- O Oxygen × 328.71%15.999 × 3 = 47.997 g/mol
Look up another formula
Compounds with the formula C8H9NO3
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 501 to 600 of 879 compounds
1-(2-Hydroxy-6-methoxypyridin-3-yl)ethanone
CAS 1393539-50-8C8H9NO3
3-Hydroxy-2,6-dimethylisonicotinic acid
CAS 4328-87-4C8H9NO3
Methyl 1,4-dihydro-1-methyl-4-oxo-3-pyridinecarboxylate
CAS 67367-28-6C8H9NO3
2-Amino-1-(2,3-dihydroxyphenyl)ethan-1-one
CAS 1891319-98-4C8H9NO3
5-Ethyl-2-hydroxypyridine-4-carboxylic acid
CAS 2138225-77-9C8H9NO3
Methyl 4-hydroxy-2-methylnicotinate
CAS 1804137-57-2C8H9NO3
5-(2-Methylcyclopropyl)-1,2-oxazole-3-carboxylic acid
CAS 1934415-90-3C8H9NO3
2-Hydroxy-5-methoxybenZaldehyde oxime
CAS 17580-69-7C8H9NO3
3-(2-Methylcyclopropyl)-1,2-oxazole-4-carboxylic acid
CAS 2144373-91-9C8H9NO3
5-(Hydroxymethyl)-4-methylpyridine-2-carboxylic acid
CAS 2309458-43-1C8H9NO3
5-(Cyclopropylmethyl)-1,2-oxazole-3-carboxylic acid
CAS 2055844-06-7C8H9NO3
2-Pyridinecarboxylic acid, 4-hydroxy-5,6-dimethyl-
CAS 500999-89-3C8H9NO3
4-Hydroxy-4,5,6,7-tetrahydroisoindole-1,3-dione
CAS 81951-67-9C8H9NO3
![2-[1-(Hydroxyimino)ethyl]benzene-1,4-diol chemical structure, C8H9NO3, CAS 24558-42-7](/s/QIXQBIKGARTNDN-UHFFFAOYSA-N.svg)
2-[1-(Hydroxyimino)ethyl]benzene-1,4-diol
CAS 24558-42-7C8H9NO3
![6-Methyl-1,3-dihydrofuro[3,4-c]pyridine-1,7-diol chemical structure, C8H9NO3, CAS 17281-92-4](/s/MUYYNBSOIUTQPC-UHFFFAOYSA-N.svg)
6-Methyl-1,3-dihydrofuro[3,4-c]pyridine-1,7-diol
CAS 17281-92-4C8H9NO3
![1-(6-Methyl-4,6-dihydrofuro[3,4-c]isoxazol-6-yl)ethanone chemical structure, C8H9NO3, CAS 159719-36-5](/s/VBKKOWZLYRRSJB-UHFFFAOYSA-N.svg)
1-(6-Methyl-4,6-dihydrofuro[3,4-c]isoxazol-6-yl)ethanone
CAS 159719-36-5C8H9NO3
Methyl 2-(2-oxopyridin-1(2H)-yl)acetate
CAS 140870-14-0C8H9NO3
(4-Methoxyphenyl)methyl nitrite
CAS 67764-30-1C8H9NO3
3,5-Cyclohexadiene-1,2-dione, 4-(2-amino-1-hydroxyethyl)-
CAS 14309-96-7C8H9NO3
1,4-Dimethyl-2-oxo-1,2-dihydropyridine-3-carboxylic acid
CAS 61327-48-8C8H9NO3
2-(2-Nitroethyl)phenol
CAS 96853-36-0C8H9NO3
2,5-Dimethyl-4-nitrosobenzene-1,3-diol
CAS 116480-12-7C8H9NO3
1-Methoxy-2-(nitromethyl)benzene
CAS 33241-80-4C8H9NO3
1-Methoxy-3-methyl-5-nitrobenzene
CAS 35113-97-4C8H9NO3
- 3-Amino-2-hydroxy-4-methylbenzoic acid1785033-53-5C8H9NO3
- 3-Hydroxy-4-hydroxymethylbenzamide136516-67-1C8H9NO3
- 5-Hydroxy-2-methoxybenzamide180526-91-4C8H9NO3
- 2-(Methoxyamino)benzoic acid25784-01-4C8H9NO3
- N-(3-Methoxyphenyl)carbamic acid195881-01-7C8H9NO3
- (RS)-Methoxy-pyridin-2-yl-acetic acid59769-10-7C8H9NO3
- Methyl 3-oxo-3-(1H-pyrrol-2-yl)propanoate408309-51-3C8H9NO3
- 1,2-Dimethyl-6-oxo-1,6-dihydropyridine-3-carboxylic acid1023813-29-7C8H9NO3
- 5-Methyl-2-(prop-1-en-2-yl)oxazole-4-carboxylic acid364607-75-0C8H9NO3
- (2-Acetyl-1H-pyrrol-1-yl)acetic acid151163-95-0C8H9NO3
- Methyl 6-hydroxy-4-methylpicolinate846046-89-7C8H9NO3
- 3-Azetidinyl 2-furoate1220031-47-9C8H9NO3
- 2-Hydroxy-3-(pyridin-4-yl)propanoic acid1181643-80-0C8H9NO3
- 3-Hydroxy-4-(methylamino)benzoic acid1038478-87-3C8H9NO3
- 2-Hydroxy-2-(pyridin-3-yl)propanoic acid1251256-06-0C8H9NO3
- 5-Oxo-1-(prop-2-yn-1-yl)pyrrolidine-2-carboxylic acid132311-91-2C8H9NO3
- 2-Hydroxy-2-(4-methylpyridin-3-yl)acetic acid1529446-90-9C8H9NO3
- Methyl 2-hydroxy-2-(pyridin-2-yl)acetate347186-93-0C8H9NO3
- 2-Amino-5-hydroxy-3-methylbenzoic acid1394926-90-9C8H9NO3
- 1,5-Dimethyl-2-oxo-1,2-dihydropyridine-3-carboxylic acid1823930-52-4C8H9NO3
- 1-(5-Hydroxy-2-methoxypyridin-4-yl)ethanone1196145-09-1C8H9NO3
- 2-(4-Methoxypyridin-2-yl)acetic acid1227593-03-4C8H9NO3
- Methyl 2-(5-hydroxypyridin-2-yl)acetate1256818-36-6C8H9NO3
- Norepinephrine impurity 2067896-55-3C8H9NO3
- 6-Nitroso-4-methylguaiacol53411-78-2C8H9NO3
- 5-(1-Methylcyclopropyl)oxazole-2-carboxylic acid1707679-43-3C8H9NO3
- 2-(3-Methyl-6-oxo-1,6-dihydropyridin-2-yl)acetic acid1449412-82-1C8H9NO3
- 3-(6-Oxo-1,6-dihydropyridin-2-yl)propanoic acid1785097-64-4C8H9NO3
- 2-(1-Methyl-2-oxo-1,2-dihydropyridin-4-yl)acetic acid856858-61-2C8H9NO3
- 3-(2-Oxo-1,2-dihydropyridin-4-yl)propanoic acid1781160-69-7C8H9NO3
- 3-(Methoxymethoxy)pyridine-2-carbaldehyde130274-60-1C8H9NO3
- 2-((6-Methylpyridin-2-yl)oxy)acetic acid90005-76-8C8H9NO3
- 1-(2-Oxopropyl)-1H-pyrrole-3-carboxylic acid2092226-79-2C8H9NO3
- 6-Cyano-2-oxaspiro[3.3]heptane-6-carboxylic acid1934971-05-7C8H9NO3
- 2-[(3-Methylpyridin-4-yl)oxy]acetic acid1593891-42-9C8H9NO3
- 2-Amino-5-hydroxy-4-methoxybenzaldehyde158919-59-6C8H9NO3
- Methyl (1-oxidopyridin-3-yl)acetate2068782-90-9C8H9NO3
- 1-Cyano-4-oxocyclohexane-1-carboxylic acid1262410-60-5C8H9NO3
- 1-(2,5-Dihydroxyphenyl)ethanone oximeC8H9NO3
- 3-(1-Acetamidocyclopropyl)propiolic acid2680847-77-0C8H9NO3
- 5-Amino-2-hydroxycyclohepta-2,4,6-trien-1-one--formaldehyde (1/1)28158-60-3C8H9NO3
- 3-Ethanimidoyl-6-methyl-2H-pyran-2,4(3H)-dione90005-82-6C8H9NO3
- 4-[(Aminooxy)methyl]benzoic acid628704-02-9C8H9NO3
- 2,5-Pyrrolidinedione, 1-(2-methyl-1-oxo-2-propenyl)-40459-77-6C8H9NO3
- Methyl (2E)-4-oxo-4-(2-propyn-1-ylamino)-2-butenoate2665719-02-6C8H9NO3
- (1S,2R,4S,5R)-6-Acetyl-3-oxa-6-azatricyclo[3.2.1.02,4]octan-7-one189098-23-5C8H9NO3
- 3,5-Dihydro-3-hydroxy-6-methylfuro[3,2-c]pyridin-4(2H)-one57053-20-0C8H9NO3
- O-(4-Methoxybenzoyl)hydroxylamine58636-98-9C8H9NO3
- 2-Formyl-5-methyl-1H-pyrrole-1-acetic acid67310-55-8C8H9NO3
- 3-Amino-2-hydroxy-5-methylbenzoic acid72998-04-0C8H9NO3
- 3,6-Dimethyl-6-nitrocyclohexa-2,4-dien-1-one77815-16-8C8H9NO3
- 5,6-Dimethyl-6-nitrocyclohexa-2,4-dien-1-one77815-17-9C8H9NO3
- 3-Amino-5-hydroxy-4-methoxybenzaldehyde343867-62-9C8H9NO3
- 5-(Dimethylamino)furan-2,4-dicarbaldehyde93824-97-6C8H9NO3
- 4,5,6,7-Tetrahydro-2-hydroxy-1H-isoindole-1,3(2H)-dione21715-96-8C8H9NO3
- 3-Ethyl-4-nitrophenol14143-34-1C8H9NO3
- 1-Methoxy-3-(nitromethyl)benzene53016-47-0C8H9NO3
- 3,5,7-Trioxooctanenitrile115706-52-0C8H9NO3
- Methyl 3-acetyl-1H-pyrrole-2-carboxylate202348-85-4C8H9NO3
- 4-Methyl-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid103912-15-8C8H9NO3
- 3-Amino-5-carboxymethylphenol1378678-89-7C8H9NO3
- 4-(Aminomethyl)-3-hydroxybenzoic acid1243372-30-6C8H9NO3
- 1-(3-Hydroxy-4-methoxypyridin-2-yl)ethanone1393554-50-1C8H9NO3
- 6-Methyl-2,3-dihydro-[1,4]dioxino[2,3-b]pyridine 5-oxide615568-21-3C8H9NO3
- 3-Hydroxy-3-(pyridin-2-yl)propanoic acid1251581-29-9C8H9NO3
- 1,4-Dihydro-1,3-dimethyl-4-oxo-2-pyridinecarboxylic acid126798-28-5C8H9NO3
- 7-Amino-2,3-dihydro-1,4-benzodioxin-6-ol104540-03-6C8H9NO3
- Phenyl (aminooxy)acetate780803-26-1C8H9NO3
- (S)-2-(2-Oxo-2H-pyridin-1-yl)-propionic acid344461-25-2C8H9NO3
- 2-(2-Oxo-1,2-dihydropyridin-3-yl)propanoic acid1785214-01-8C8H9NO3
- (R)-2-(4-Aminophenyl)-2-hydroxyacetic Acid71630-32-5C8H9NO3
- 6-(Furan-2-yl)morpholin-3-one951626-62-3C8H9NO3
- 4-Acetyl-5-methyl-1H-pyrrole-3-carboxylic acid100960-95-0C8H9NO3
- 5-(Cyclopropylmethyl)-1,3-oxazole-4-carboxylic acid1248153-14-1C8H9NO3
- 3-(Methoxymethyl)pyridine-2-carboxylic acid1343623-74-4C8H9NO3
- 1-(Furan-3-carbonyl)azetidin-3-ol1341408-16-9C8H9NO3
Frequently asked questions
What is the molar mass of C8H9NO3?
The molar mass of C8H9NO3 is 167.16 g/mol, calculated from standard atomic weights for 8 carbon atoms, 9 hydrogen atoms, 1 nitrogen atom and 3 oxygen atoms. The monoisotopic mass is 171.0833 Da.
How many compounds have the formula C8H9NO3?
CompoundList lists 879 compounds with the molecular formula C8H9NO3, including 1-(2-Hydroxy-6-methoxypyridin-3-yl)ethanone, 3-Hydroxy-2,6-dimethylisonicotinic acid, Methyl 1,4-dihydro-1-methyl-4-oxo-3-pyridinecarboxylate. 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 C8H9NO3?
C8H9NO3 has a degree of unsaturation of 5. 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.