Molecular formula
C9H9NO3
732 compounds have this formula on CompoundList.
- Molar mass
- 179.18g/mol
- Monoisotopic mass
- 185.0784Da
- Atoms
- 22
- Elements
- 4
- Rings plus double bonds
- 6
The formula C9H9NO3 describes a molecule made of 9 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 × 960.33%12.011 × 9 = 108.099 g/mol
- H Hydrogen × 95.06%1.008 × 9 = 9.072 g/mol
- N Nitrogen × 17.82%14.007 × 1 = 14.007 g/mol
- O Oxygen × 326.79%15.999 × 3 = 47.997 g/mol
Look up another formula
Compounds with the formula C9H9NO3
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 501 to 600 of 732 compounds
1-(5-Acetyl-3-hydroxypyridin-2-yl)ethanone
CAS 1393559-01-7C9H9NO3
2-Formyl-6-hydroxy-N-methylbenzamide
CAS 1243280-19-4C9H9NO3
3-Formyl-5-hydroxy-N-methylbenzamide
CAS 1243439-76-0C9H9NO3
2-Formyl-5-hydroxy-N-methylbenzamide
CAS 1243454-56-9C9H9NO3
4-Formyl-2-hydroxy-N-methylbenzamide
CAS 1243440-84-7C9H9NO3
2-Formyl-3-hydroxy-N-methylbenzamide
CAS 1243402-36-9C9H9NO3
2-Formyl-4-hydroxy-N-methylbenzamide
CAS 1243280-51-4C9H9NO3
3-Amino-2,3-dihydrobenzofuran-3-carboxylic acid
CAS 1337276-87-5C9H9NO3
3-(5-Methylpyridin-2-yl)-2-oxopropanoic acid
CAS 1516098-90-0C9H9NO3
3-(2-Methoxypyridin-4-yl)prop-2-enoic acid
CAS 1335061-07-8C9H9NO3
Norepinephrine impurity 150
CAS 1368897-01-1C9H9NO3
![6,7-Dihydro-2H-furo[2,3-f][1,3]benzodioxol-4-amine chemical structure, C9H9NO3, CAS 1784282-13-8](/s/HVWIEPXFPPYZOA-UHFFFAOYSA-N.svg)
6,7-Dihydro-2H-furo[2,3-f][1,3]benzodioxol-4-amine
CAS 1784282-13-8C9H9NO3
(2R)-2-(2-Methyl-5-nitrophenyl)oxirane
CAS 1568029-82-2C9H9NO3
(2S)-2-(2-Methyl-5-nitrophenyl)oxirane
CAS 1568030-89-6C9H9NO3
(2R)-2-(4-Methyl-3-nitrophenyl)oxirane
CAS 312753-48-3C9H9NO3
(2S)-2-(4-Methyl-3-nitrophenyl)oxirane
CAS 1568211-74-4C9H9NO3
(2-Acetylpyridin-4-yl)acetic acid
CAS 502509-06-0C9H9NO3
2-(4-Methyl-3-nitrophenyl)acetaldehyde
CAS 2228630-46-2C9H9NO3
3-Formyl-5-(methylamino)benzoic acid
CAS 1289088-99-8C9H9NO3
(2S)-2-(3-Methyl-4-nitrophenyl)oxirane
CAS 2227737-03-1C9H9NO3
3-(3-Methoxypyridin-2-yl)prop-2-enoic acid
CAS 1704342-31-3C9H9NO3
![3,4-Dihydro-2H-pyrano[2,3-b]pyridine-4-carboxylic acid chemical structure, C9H9NO3, CAS 1448336-34-2](/s/GQIJZHQOINPPCW-UHFFFAOYSA-N.svg)
3,4-Dihydro-2H-pyrano[2,3-b]pyridine-4-carboxylic acid
CAS 1448336-34-2C9H9NO3
3-Hydroxy-3-(hydroxymethyl)indolin-2-one
CAS 1246745-15-2C9H9NO3
![6-Methoxy-2,3-dihydro-4H-pyrano[3,2-B]pyridin-4-one chemical structure, C9H9NO3, CAS 1561782-11-3](/s/XOBUDFIUXCCQRD-UHFFFAOYSA-N.svg)
6-Methoxy-2,3-dihydro-4H-pyrano[3,2-B]pyridin-4-one
CAS 1561782-11-3C9H9NO3
- 6-Amino-2,3-dihydro-1,4-benzodioxine-7-carbaldehyde151585-96-5C9H9NO3
- 1-(2-Hydroxyphenyl)-2-nitropropeneC9H9NO3
- Benzo[d][1,3]dioxole-4-carbaldehyde O-methyl oximeC9H9NO3
- 5-Cyclopropyl-2-oxo-1,2-dihydropyridine-3-carboxylic acid1785150-01-7C9H9NO3
- 5-[(But-3-yn-2-yl)amino]furan-2-carboxylic acid1598617-57-2C9H9NO3
- 5-[(But-2-yn-1-yl)amino]furan-2-carboxylic acid1602053-24-6C9H9NO3
- 5-(Methoxymethyl)pyridine-2,3-dicarbaldehyde1000298-39-4C9H9NO3
- 6-Amino-2,3-dihydro-5-benzofurancarboxylic acid1649447-06-2C9H9NO3
- Methyl 5-methyl-alpha-oxo-2-pyridineacetate1669439-27-3C9H9NO3
- 5-Acetyl-2-pyridineacetic acid1211526-28-1C9H9NO3
- 2-Formyl-6-(hydroxymethyl)benzamide1289058-22-5C9H9NO3
- 1-(2-Formyl-1H-pyrrol-1-yl)cyclopropane-1-carboxylic acid2060060-44-6C9H9NO3
- 5-Nitroisochroman1391072-17-5C9H9NO3
- 1-(3-Pyridyl)-1-butanone-4-carboxylic Acid-d41623019-52-2C9H9NO3
- 5-Cyclopropyl-2-nitrophenol2191446-41-8C9H9NO3
- 4-(4,5-Dihydrooxazol-2-yl)benzene-1,3-diol24201-17-0C9H9NO3
- 6-(5-Hydroxy-1,2-oxazolidin-3-ylidene)cyclohexa-2,4-dien-1-one89814-12-0C9H9NO3
- 2-Methyl-6-oxo-4,5-dihydrocyclopenta[c]pyrrole-3-carboxylic acid2409971-92-0C9H9NO3
- Methyl 2,3-dihydrofuro[3,2-b]pyridine-6-carboxylate2110724-59-7C9H9NO3
- Methyl 2,3-dihydrofuro[2,3-b]pyridine-6-carboxylate2111803-68-8C9H9NO3
- 2-(6-Methoxypyridin-3-yl)prop-2-enoic acid2228939-19-1C9H9NO3
- (2E)-2-(Hydroxyimino)-1-(3-methoxyphenyl)ethan-1-one1287753-47-2C9H9NO3
- 5-(2R)-2-Aziridinyl-2-hydroxybenzoic acid1213971-24-4C9H9NO3
- 3-(4-Methoxypyridin-2-yl)prop-2-enoic acid767227-44-1C9H9NO3
- 3-(6-Methylpyridin-2-yl)-2-oxopropanoic acid2229506-50-5C9H9NO3
- Tandospirone impurity 201374000-99-3C9H9NO3
- Methyl 4-methyl-3-nitrosobenzoate849232-30-0C9H9NO3
- Acedoben-d41794786-68-7C9H9NO3
- Benzene, 1-[(1Z)-2-methoxyethenyl]-4-nitro-66821-15-6C9H9NO3
- 4-Nitro-2,3-dihydro-1H-inden-2-ol85397-27-9C9H9NO3
- 2-Acetylpyridin-3-yl acetate114658-09-2C9H9NO3
- 2-[(2-Nitrophenyl)methyl]oxirane1949739-45-0C9H9NO3
- 3-(2-Nitrophenyl)oxetane189572-00-7C9H9NO3
- 3-(Hydroxymethyl)-2,3-dihydro-4H-1,3-benzoxazin-4-one142976-54-3C9H9NO3
- 2-Acetyl-5-aminobenzoic acid2137580-89-1C9H9NO3
- 4-Methyl-2-(2-nitroethenyl)phenol264224-82-0C9H9NO3
- (2E)-2-[(Benzyloxy)imino]acetic acidC9H9NO3
- 3,5-Dimethyl-2-nitrobenzaldehyde713147-74-1C9H9NO3
- 3-(5-Methoxy-3-pyridinyl)prop-2-enoic acid1807887-93-9C9H9NO3
- 2-Cyclopropyl-4-nitrophenol28987-73-7C9H9NO3
- 3-Acetyl-N-hydroxybenzamide155567-96-7C9H9NO3
- 1-(2-(Prop-2-yn-1-yloxy)ethyl)-1H-pyrrole-2,5-dione2167649-06-9C9H9NO3
- 2-(3-Methyl-2-nitrophenyl)acetaldehyde2228910-17-4C9H9NO3
- 7-Amino-3-hydroxy-3-methyl-2-benzofuran-1-one13619-67-5C9H9NO3
- 4-Acetyl-3-aminobenzoic acid2167792-94-9C9H9NO3
- 1-Methoxy-1H-indole-5,6-diol877470-21-8C9H9NO3
- 4-Nitro-2-(prop-1-en-1-yl)phenol103851-62-3C9H9NO3
- 5-(5-Methyl-1,2-oxazol-3-yl)penta-2,4-dienoic acid113824-16-1C9H9NO3
- 4-Amino-7-oxocyclohepta-1,3,5-trien-1-yl acetate120167-40-0C9H9NO3
- (4R)-4-(Cyclohexa-1,4-dien-1-yl)-1,3-oxazolidine-2,5-dione64099-18-9C9H9NO3
- 3-[(Methoxyimino)methyl]benzoic acid61471-42-9C9H9NO3
- 4,7-Dihydroxy-2-methyl-2,3-dihydro-1H-isoindol-1-one919800-43-4C9H9NO3
- 4-Hydroxy-2,5-bis(hydroxymethyl)benzonitrile1858250-91-5C9H9NO3
- 7,8-Dihydro-5H-pyrano[4,3-B]pyridine-4-carboxylic acid1196156-53-2C9H9NO3
- 5-(1,3-Dioxolan-2-yl)nicotinaldehyde1256803-21-0C9H9NO3
- N-(3-Formyl-5-hydroxyphenyl)acetamide1393581-78-6C9H9NO3
- 2-Acetyl-6-methoxyisonicotinaldehyde1393551-92-2C9H9NO3
- 2-Acetyl-6-methylisonicotinic acid1393553-67-7C9H9NO3
- 4-Cyclopropoxypicolinic acid1243353-87-8C9H9NO3
- 4-Cyclopropoxynicotinic acid1243285-49-5C9H9NO3
- 3-Cyclopropoxypicolinic acid1243369-07-4C9H9NO3
- 2-(2-Nitroprop-1-enyl)phenolC9H9NO3
- 1 suppliers5-Hydroxy-2,3-dimethoxybenzonitrile93092-15-0C9H9NO3
- N-(3,6-Dioxo-1,4-cyclohexadien-1-yl)propanamide876499-37-5C9H9NO3
- 3-(Pyridin-2-yl)oxetane-3-carboxylic acid1427020-99-2C9H9NO3
- 7-Hydroxy-3,4-dihydrobenzo[f][1,4]oxazepin-5(2H)-one1258003-63-2C9H9NO3
- 5-(2-Hydroxyphenyl)-1,3-oxazolidin-2-one1545724-01-3C9H9NO3
- 5-(3-Hydroxyphenyl)-1,3-oxazolidin-2-one1554068-20-0C9H9NO3
- 5-(4-Hydroxyphenyl)-1,3-oxazolidin-2-one1556170-30-9C9H9NO3
- 4-Hydroxy-2,3-dihydro-1H-indole-2-carboxylic acid1391002-06-4C9H9NO3
- 1H-Pyrrole-2-carboxylic acid, 5-(cyclopropylcarbonyl)-1783694-22-3C9H9NO3
- Methyl 2-formyl-5-methylnicotinate97367-94-7C9H9NO3
- N-Hydroxy-2,3-dihydro-1-benzofuran-7-carboxamide1431320-28-3C9H9NO3
- 5-Ethoxy-2-(2-furanyl)oxazole284040-87-5C9H9NO3
- 5-Methyl-2-(2-nitroethenyl)phenol2089525-95-9C9H9NO3
- 2-(Oxetan-3-yloxy)nicotinaldehyde1934530-86-5C9H9NO3
Frequently asked questions
What is the molar mass of C9H9NO3?
The molar mass of C9H9NO3 is 179.18 g/mol, calculated from standard atomic weights for 9 carbon atoms, 9 hydrogen atoms, 1 nitrogen atom and 3 oxygen atoms. The monoisotopic mass is 185.0784 Da.
How many compounds have the formula C9H9NO3?
CompoundList lists 732 compounds with the molecular formula C9H9NO3, including 1-(5-Acetyl-3-hydroxypyridin-2-yl)ethanone, 2-Formyl-6-hydroxy-N-methylbenzamide, 3-Formyl-5-hydroxy-N-methylbenzamide. 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 C9H9NO3?
C9H9NO3 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.