Molecular formula
C8H9NO2
791 compounds have this formula on CompoundList.
- Molar mass
- 151.16g/mol
- Monoisotopic mass
- 163.0828Da
- Atoms
- 20
- Elements
- 4
- Rings plus double bonds
- 5
The formula C8H9NO2 describes a molecule made of 8 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 × 863.56%12.011 × 8 = 96.088 g/mol
- H Hydrogen × 96.00%1.008 × 9 = 9.072 g/mol
- N Nitrogen × 19.27%14.007 × 1 = 14.007 g/mol
- O Oxygen × 221.17%15.999 × 2 = 31.998 g/mol
Look up another formula
Compounds with the formula C8H9NO2
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 601 to 700 of 791 compounds
2-(6-Methoxypyridin-2-yl)acetaldehyde
CAS 1547004-05-6C8H9NO2
3-(Methoxymethyl)pyridine-4-carbaldehyde
CAS 1784407-59-5C8H9NO2
4-(Hydroxymethyl)-6-methylnicotinaldehyde
CAS 1289141-09-8C8H9NO2
3-Amino-5-methoxybenzaldehyde
CAS 1261581-36-5C8H9NO2
4-Ethynyl-1-methylpiperidine-2,6-dione
CAS 2097974-30-4C8H9NO2
![(R)-3,4-Dihydro-2H-pyrano[2,3-b]pyridin-4-ol chemical structure, C8H9NO2, CAS 1932107-75-9](/s/ZVXJNBXHDDSCHZ-SSDOTTSWSA-N.svg)
(R)-3,4-Dihydro-2H-pyrano[2,3-b]pyridin-4-ol
CAS 1932107-75-9C8H9NO2
Methyl 2-cyano-3-cyclopropyl-2-propenoate
CAS 212689-16-2C8H9NO2
3-Hydroxy-3-(2-methylfuran-3-yl)propanenitrile
CAS 1935977-47-1C8H9NO2
4-Ethyl-6-oxo-1,6-dihydropyridine-2-carbaldehyde
CAS 1289012-88-9C8H9NO2
3-Ethyl-5-hydroxypyridine-2-carbaldehyde
CAS 1289139-48-5C8H9NO2
3-(3,5-Dimethyl-1,2-oxazol-4-yl)prop-2-enal
CAS 1562302-36-6C8H9NO2
Methyl 4-amino-2,3,5,6-tetradeuteriobenzoate
CAS 1080632-96-7C8H9NO2
![6-[(Hydroxyamino)methylidene]-3-methylcyclohexa-2,4-dien-1-one chemical structure, C8H9NO2, CAS 113962-74-6](/s/CZPVNHFNUGIMFW-WEVVVXLNSA-N.svg)
6-[(Hydroxyamino)methylidene]-3-methylcyclohexa-2,4-dien-1-one
CAS 113962-74-6C8H9NO2
Methyl 2-(3-cyanocyclobutylidene)acetate
CAS 2560550-04-9C8H9NO2
Methyl 3-cyanocyclopent-3-ene-1-carboxylate
CAS 2445791-52-4C8H9NO2
2-(Methoxymethyl)pyridine-3-carbaldehyde
CAS 2913417-14-6C8H9NO2
![(5,7-Dihydrofuro[3,4-B]pyridin-2-yl)methanol chemical structure, C8H9NO2, CAS 2794996-88-4](/s/RYYJCFOIYQSHOK-UHFFFAOYSA-N.svg)
(5,7-Dihydrofuro[3,4-B]pyridin-2-yl)methanol
CAS 2794996-88-4C8H9NO2
2,4,6-Cycloheptatriene-1-carbamic acid
CAS 26052-78-8C8H9NO2
Amino(phenyl)(~2~H)acetic acid
CAS 92304-80-8C8H9NO2
4-Methoxy(~15~N)benzamide
CAS 31656-64-1C8H9NO2
![1-[(2,2-2H2)-1,3-dioxaindan-5-yl]methanamine chemical structure, C8H9NO2, CAS 2138538-56-2](/s/ZILSBZLQGRBMOR-BFWBPSQCSA-N.svg)
1-[(2,2-2H2)-1,3-dioxaindan-5-yl]methanamine
CAS 2138538-56-2C8H9NO2
![5-Methoxy-2-[(2R)-oxiran-2-yl]pyridine chemical structure, C8H9NO2, CAS 2227682-33-7](/s/JHERYEZRSJMSBQ-QMMMGPOBSA-N.svg)
5-Methoxy-2-[(2R)-oxiran-2-yl]pyridine
CAS 2227682-33-7C8H9NO2
3-(4,5-Dimethyl-1,3-oxazol-2-yl)prop-2-enal
CAS 2229686-35-3C8H9NO2
1-(3-Methyl-1,2-oxazol-5-yl)cyclopropane-1-carbaldehyde
CAS 2228940-24-5C8H9NO2
- 1-(4,5-Dimethyl-1,3-oxazol-2-yl)prop-2-en-1-one2228618-38-8C8H9NO2
- (1R,2S,5R,6S)-8-Azatricyclo[4.3.0.0,2,5]nonane-7,9-dione2703745-39-3C8H9NO2
- 3-Hydroxy-3-(3-methylfuran-2-yl)propanenitrile898543-83-4C8H9NO2
- 6-Acetyl-1-methylpyridin-2-one63486-88-4C8H9NO2
- 3,4-Dihydro-2H-pyrano[3,2-c]pyridin-4-ol37831-66-6C8H9NO2
- 2H-Azepin-2-one, 6-acetyl-1,3-dihydro-90714-30-0C8H9NO2
- 4-Acetyl-1,3-dihydroazepin-2-one90714-31-1C8H9NO2
- 2H-Azepin-2-one, 5-acetyl-1,3-dihydro-90714-32-2C8H9NO2
- Pyridine, 4-(1,3-dioxolan-4-yl)-96517-54-3C8H9NO2
- Allyl 1H-pyrrole-1-carboxylate102619-08-9C8H9NO2
- Methyl 2-cyano-3,3-dimethylcyclopropene-1-carboxylate106509-45-9C8H9NO2
- 3,3-Dimethyl-2-oxo-6-oxabicyclo[3.1.0]hexane-1-carbonitrile181276-91-5C8H9NO2
- 3,4,6,7-Tetrahydro-1H-cyclopenta[b]pyridine-2,5-dione179686-00-1C8H9NO2
- 2-Hydroxy-6-(methylamino)benzaldehyde1243457-82-0C8H9NO2
- 6-(Methoxymethyl)nicotinaldehyde1669438-75-8C8H9NO2
- 4,7-Dimethyl-1H-azepine-2,5-dione10315-43-2C8H9NO2
- Ethanone, 1-(4-methyl-1-oxido-3-pyridinyl)-162150-31-4C8H9NO2
- Pyridinium, 1-(carboxymethyl)-4-methyl-, inner salt118924-32-6C8H9NO2
- (2S,6R)-6-Ethynyl-1,2,3,6-tetrahydropyridine-2-carboxylic acid484664-50-8C8H9NO2
- Cyclohexene, 4-ethynyl-5-nitro-36930-25-3C8H9NO2
- 2H-Pyran-4-propanenitrile, 5,6-dihydro-2-oxo-438529-93-2C8H9NO2
- 5-(Hydroxymethyl)-2-methyl-4-methylidenepyridin-3-one205321-07-9C8H9NO2
- (E)-2-(Prop-1-en-1-yl)-1H-pyrrole-3-carboxylic acid118316-03-3C8H9NO2
- 2-Furancarbonitrile, 4-acetyl-2,3-dihydro-5-methyl-39822-46-3C8H9NO2
- Methyl 2-azabicyclo[3.2.0]hepta-3,6-diene-2-carboxylate156301-71-2C8H9NO2
- cis-Methyl (1R,2R)-2-cyano-2-ethenylcyclopropane-1-carboxylate51213-13-9C8H9NO2
- 1,8A-Dihydroindolizine-3,8(2H,7H)-dione109070-36-2C8H9NO2
- 3-Amino-6,7-dihydrocyclopenta[b]pyran-2(5H)-one922167-66-6C8H9NO2
- 6-Methoxy-2,3-dihydrofuro[2,3-b]pyridine1356542-45-4C8H9NO2
- 1-(1H-Pyrrol-2-yl)cyclopropane-1-carboxylic acid1478540-25-8C8H9NO2
- {2-[(Hydroxyimino)methyl]phenyl}methanol125593-28-4C8H9NO2
- 3-(Nitromethylidene)tricyclo[2.2.1.0~2,6~]heptane349490-91-1C8H9NO2
- 1-(3-(Hydroxymethyl)pyridin-2-yl)ethanone2733989-77-8C8H9NO2
- 2-Hydroxy-2-(6-methylpyridin-3-yl)acetaldehyde1566225-11-3C8H9NO2
- 2-Cyclopropoxypyridin-3-ol2386138-05-0C8H9NO2
- 1-Cyanocyclohex-3-ene-1-carboxylic acid2955713-32-1C8H9NO2
- 3,4-Dihydro-2H-pyrano[3,2-b]pyridin-8-ol1414864-09-7C8H9NO2
- Acetonitrile--benzene-1,4-diol (1/1)1786-26-1C8H9NO2
- (Furan-3-yl)(2-methylaziridin-1-yl)methanone919198-15-5C8H9NO2
- (Furan-2-yl)(2-methylaziridin-1-yl)methanone919198-14-4C8H9NO2
- 7,8-Dihydro-5H-pyrano[4,3-B]pyridin-4-ol1260663-86-2C8H9NO2
- 1H,4H,5H,6H-Cyclopenta[b]pyrrole-3-carboxylic acid1368193-68-3C8H9NO2
- 6,7-Dihydro-5H-pyrrolizine-3-carboxylic acid1369141-99-0C8H9NO2
- 2-(1H-Pyrrol-3-yl)cyclopropane-1-carboxylic acid1462241-33-3C8H9NO2
- 5-(Azetidin-1-yl)furan-2-carbaldehyde1522187-12-7C8H9NO2
- 3,4-Dihydro-1H-pyrrolo[2,1-C][1,4]oxazine-7-carbaldehyde1505073-26-6C8H9NO2
- 4,5,6,7-Tetrahydro-2,1-benzoxazole-3-carbaldehyde1557692-61-1C8H9NO2
- 2-(4-Methoxypyridin-2-yl)acetaldehyde1557883-00-7C8H9NO2
- 2-(4-Methoxy-3-pyridinyl)acetaldehyde1422021-96-2C8H9NO2
- 2-(1H-Pyrrol-2-yl)cyclopropane-1-carboxylic acid1782748-98-4C8H9NO2
- 5-Amino-2,3-dihydro-1-benzofuran-7-ol1782470-38-5C8H9NO2
- 2-Methoxy-3-(oxiran-2-yl)pyridine410540-46-4C8H9NO2
- 2-Amino-2-prop-2-ynylpent-4-ynoic acid856010-60-1C8H9NO2
- (S)-2-(Pyridin-2-yl)propanoic acid2349921-94-2C8H9NO2
- 1-Cyclopropyl-1H-pyrrole-3-carboxylic acid2055840-07-6C8H9NO2
- 2,4-Cyclohexadien-1-one, 6-amino-5-ethenyl-2-hydroxy-851363-62-7C8H9NO2
- 3,4-Dihydro-2H-pyrano[2,3-c]pyridin-5-ol1443110-02-8C8H9NO2
- 2-[(4R,6S)-4,6-Dihydroxycyclohex-2-en-1-ylidene]acetonitrileC8H9NO2
- 1-(5-Hydroxy-2-methylpyridin-3-yl)ethanone1211586-00-3C8H9NO2
- rac-(1R,2R)-2-(1H-Pyrrol-3-yl)cyclopropane-1-carboxylic acid2227696-83-3C8H9NO2
- 4,5,6,7-Tetrahydrofuro[3,2-c]pyridine-2-carbaldehyde1707605-76-2C8H9NO2
- (2Z)-2-[(4S,6R)-4,6-Dihydroxycyclohex-2-en-1-ylidene]acetonitrileC8H9NO2
- 1-(2-Oxopropyl)-1H-pyrrole-2-carbaldehyde1437780-65-8C8H9NO2
- 2-(2-Isocyanatopropan-2-yl)furan2648997-17-3C8H9NO2
- 2-Cyclobutyl-1,3-oxazole-5-carbaldehyde1888780-22-0C8H9NO2
- 2-[5-(Methoxymethyl)furan-2-yl]acetonitrile1592380-15-8C8H9NO2
- 1-[5-(Aminomethyl)furan-2-yl]prop-2-en-1-one1592303-64-4C8H9NO2
- [(1R,6s)-1,6-Dihydroxy-2,4-cyclohexadien-1-yl]acetonitrile365458-95-3C8H9NO2
- [(5R,6s)-5,6-Dihydroxy-1,3-cyclohexadien-1-yl]acetonitrile365458-96-4C8H9NO2
- [(3R,4s)-3,4-Dihydroxy-1,5-cyclohexadien-1-yl]acetonitrile365458-97-5C8H9NO2
- 3-Amino-2-hydroxy-4-methyl-2,4,6-cycloheptatrien-1-one855399-88-1C8H9NO2
- 4-Acetyl-5-methyl-1H-pyrrole-3-carbaldehyde98491-67-9C8H9NO2
- (S)-3,4-Dihydro-2H-pyrano[2,3-b]pyridin-4-ol1932479-56-5C8H9NO2
- 2-Methoxy-5-[(2S)-oxiran-2-yl]pyridine2227749-25-7C8H9NO2
- 2-Methoxy-4-(oxiran-2-yl)pyridine1778667-71-2C8H9NO2
- 3-(Cyclopropyloxy)-2(1H)-pyridinone1352902-32-9C8H9NO2
Frequently asked questions
What is the molar mass of C8H9NO2?
The molar mass of C8H9NO2 is 151.16 g/mol, calculated from standard atomic weights for 8 carbon atoms, 9 hydrogen atoms, 1 nitrogen atom and 2 oxygen atoms. The monoisotopic mass is 163.0828 Da.
How many compounds have the formula C8H9NO2?
CompoundList lists 791 compounds with the molecular formula C8H9NO2, including 2-(6-Methoxypyridin-2-yl)acetaldehyde, 3-(Methoxymethyl)pyridine-4-carbaldehyde, 4-(Hydroxymethyl)-6-methylnicotinaldehyde. 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 C8H9NO2?
C8H9NO2 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.