Molecular formula
C7H9NO3
559 compounds have this formula on CompoundList.
- Molar mass
- 155.15g/mol
- Monoisotopic mass
- 155.0582Da
- Atoms
- 20
- Elements
- 4
- Rings plus double bonds
- 4
The formula C7H9NO3 describes a molecule made of 7 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 × 754.19%12.011 × 7 = 84.077 g/mol
- H Hydrogen × 95.85%1.008 × 9 = 9.072 g/mol
- N Nitrogen × 19.03%14.007 × 1 = 14.007 g/mol
- O Oxygen × 330.94%15.999 × 3 = 47.997 g/mol
Look up another formula
Compounds with the formula C7H9NO3
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 401 to 500 of 559 compounds
Ethyl 3-cyano-3-methyl-2-oxiranecarboxylate
CAS 89776-70-5C7H9NO3
1-(3-Methoxy-2-furanyl)ethanone oxime
CAS 89776-76-1C7H9NO3
3,5-Dimethoxypyridin-4-ol
CAS 874493-43-3C7H9NO3
2-Methyl-2-(1,2-oxazol-3-yl)propanoic acid
CAS 2229589-82-4C7H9NO3
Famotidine impurity 66
CAS 7259-54-3C7H9NO3
![(3aS,6aS)-4,5,6,6a-Tetrahydro-3aH-cyclopenta[d][1,2]oxazole-3-carboxylic acid chemical structure, C7H9NO3](/s/KQTVLXDCOVTAKY-UHNVWZDZSA-N.svg)
(3aS,6aS)-4,5,6,6a-Tetrahydro-3aH-cyclopenta[d][1,2]oxazole-3-carboxylic acid
C7H9NO3
![2H-Cyclopent[d]isoxazole-3-carboxylicacid,3,3a,4,6a-tetrahydro-,(3alpha,3aalpha,6aalpha)-(9CI) chemical structure, C7H9NO3, CAS 159735-03-2](/s/FKOUXTXWXUJABL-NGJCXOISSA-N.svg)
2H-Cyclopent[d]isoxazole-3-carboxylicacid,3,3a,4,6a-tetrahydro-,(3alpha,3aalpha,6aalpha)-(9CI)
CAS 159735-03-2C7H9NO3
Methyl 4-formyl-2,3-dihydro-1H-pyrrole-1-carboxylate
CAS 82483-66-7C7H9NO3
2-Methyl-5-(2-nitroethyl)furan
CAS 58564-83-3C7H9NO3
1-Cyclopentene-1-carbonitrile, 3,4-dihydroxy-2-(hydroxymethyl)-, (3R-trans)-(9CI)
CAS 172290-15-2C7H9NO3
![Methyl 6-oxo-5-azaspiro[2.3]hexane-4-carboxylate chemical structure, C7H9NO3, CAS 886546-48-1](/s/IALGKHVBKXKIID-UHFFFAOYSA-N.svg)
Methyl 6-oxo-5-azaspiro[2.3]hexane-4-carboxylate
CAS 886546-48-1C7H9NO3
(2R,3r)-4-Oxo-3-vinyl-2-azetidinyl acetate
CAS 373597-35-4C7H9NO3
![(3R,3aS)-3-Ethyl-3a,4-dihydro-3H-furo[3,4-c][1,2]oxazol-6-one chemical structure, C7H9NO3, CAS 501666-72-4](/s/DHQOGHITIDKHFM-CRCLSJGQSA-N.svg)
(3R,3aS)-3-Ethyl-3a,4-dihydro-3H-furo[3,4-c][1,2]oxazol-6-one
CAS 501666-72-4C7H9NO3
(5-Methoxy-1-oxido-2-pyridinyl)methanol
CAS 339363-97-2C7H9NO3
![4-Acetyl-2-oxa-4-azabicyclo[3.2.0]heptan-3-one chemical structure, C7H9NO3, CAS 68235-19-8](/s/QRIJSKFXEWSIBJ-UHFFFAOYSA-N.svg)
4-Acetyl-2-oxa-4-azabicyclo[3.2.0]heptan-3-one
CAS 68235-19-8C7H9NO3
3-Nitrocyclohex-3-ene-1-carbaldehyde
CAS 344258-50-0C7H9NO3
4-Nitrocyclohex-3-ene-1-carbaldehyde
CAS 344256-24-2C7H9NO3
(R)-1-Allyl-3-hydroxypyrrolidine-2,5-dione
CAS 343863-96-7C7H9NO3
![Methyl 3-oxa-6-azatricyclo[3.2.0.0~2,4~]heptane-6-carboxylate chemical structure, C7H9NO3, CAS 790205-58-2](/s/JZWSRCXSZHVQDY-UHFFFAOYSA-N.svg)
Methyl 3-oxa-6-azatricyclo[3.2.0.0~2,4~]heptane-6-carboxylate
CAS 790205-58-2C7H9NO3
4H-1,4-Oxazine-4-carboxaldehyde, 6-acetyl-2,3-dihydro-
CAS 93172-33-9C7H9NO3
Oxiranecarboxylic acid, 2-cyano-3-(1-methylethyl)-, trans-(9CI)
CAS 113966-59-9C7H9NO3
3,3-Dimethyl-6-oxo-2H-1,4-oxazine-5-carbaldehyde
CAS 142068-58-4C7H9NO3
Methyl 2-(cyanomethyl)-3-oxobutanoate
CAS 137393-50-1C7H9NO3
Methyl (2S)-6-oxo-2,3-dihydro-1H-pyridine-2-carboxylate
CAS 147751-01-7C7H9NO3
- 3-Amino-4-propoxycyclobut-3-ene-1,2-dione138762-93-3C7H9NO3
- 2-(2-Ethyloxazol-4-yl)acetic acid1267443-36-6C7H9NO3
- Tetrahydro-1H-pyrrolo[2,1-c][1,4]oxazine-3,4-dione113961-74-3C7H9NO3
- 2,3-Dimethoxypyridine 1-oxide111302-00-2C7H9NO3
- 2-(Dimethyl-1,2-oxazol-5-yl)acetic acid1514987-22-4C7H9NO3
- 2-(4,5-Dimethylisoxazol-3-yl)acetic acid1367986-21-7C7H9NO3
- Ethyl 2-oxo-3,4-dihydro-2H-pyrrole-5-carboxylate360782-67-8C7H9NO3
- (3aR,6aS)-6a-Methyldihydro-1H-furo[3,4-b]pyrrole-2,6(3H,4H)-dione201805-09-6C7H9NO3
- 2-Hydroxytetrahydrocyclopenta[c]pyrrole-1,3(2H,3aH)-dione412283-61-5C7H9NO3
- (1R,3S)-3-Isocyanatocyclopentane-1-carboxylic acid140210-16-8C7H9NO3
- Proline, 1-ethenyl-4-oxo-117452-84-3C7H9NO3
- (1S)-5-Acetyl-2-oxa-5-azabicyclo[2.2.1]heptan-3-one72485-25-7C7H9NO3
- Methyl 3-oxo-2,6-dihydropyridine-1-carboxylate317383-70-3C7H9NO3
- 2-Butyn-1-ol, 4-[(4,5-dihydro-3-isoxazolyl)oxy]-247079-77-2C7H9NO3
- (1S)-2-(Hydroxymethyl)-5-methoxy-2-azabicyclo[2.2.0]hex-5-en-3-one171228-87-8C7H9NO3
- 2-(1H-Pyrrol-3-yl)ethyl hydrogen carbonate760139-63-7C7H9NO3
- (7aS)-7a-Methyltetrahydro-1H,3H-pyrrolo[1,2-c][1,3]oxazole-1,3-dione63399-78-0C7H9NO3
- (2R,5S)-7-Oxo-1-azabicyclo[3.2.0]heptane-2-carboxylic acid807613-68-9C7H9NO3
- 2-(Methylcarbamoyl)cyclobut-1-ene-1-carboxylic acid38197-76-1C7H9NO3
- N-(2,5-Dioxocyclopentyl)acetamide4417-06-5C7H9NO3
- (R)-Tetrahydro-3H-oxazolo[3,4-a]pyridine-3,7(1H)-dione1226594-79-1C7H9NO3
- 2-Hydroxy-2-(1-methyl-1H-pyrrol-2-yl)acetic acid65344-71-0C7H9NO3
- 2-Cyano-3-methoxyprop-1-en-1-yl acetate88456-34-2C7H9NO3
- Methyl (5-oxopyrrolidin-2-ylidene)acetate62609-11-4C7H9NO3
- 6-Acetyl-2-oxa-6-azabicyclo[3.2.0]heptan-4-one802918-93-0C7H9NO3
- 3-Amino-4-methoxy-6-methyl-2H-pyran-2-one83432-21-7C7H9NO3
- (1S,6R,7S)-7-Nitrobicyclo[4.1.0]heptan-2-one919530-30-6C7H9NO3
- Methyl 2-hydroxy-1,2-dihydropyridine-4-carboxylate918299-66-8C7H9NO3
- Methyl 2-isocyano-3,3-dimethyloxirane-2-carboxylate90179-10-5C7H9NO3
- 1-Pyrrolidinecarboxaldehyde, 3-(methoxymethylene)-2-oxo-79961-91-4C7H9NO3
- Methyl 2-cyano-3-methoxybut-2-enoateC7H9NO3
- 3-(4-Methyloxazol-5-yl)propanoic acid1367930-85-5C7H9NO3
- 3-(5-Methyloxazol-4-yl)propanoic acid1369167-33-8C7H9NO3
- 3-(Oxazol-4-yl)butanoic acid1514723-07-9C7H9NO3
- 2-Amino-2-(2-methylfuran-3-yl)acetic acid1517356-16-9C7H9NO3
- 2-(1,2-Oxazol-3-yl)butanoic acid1507737-17-8C7H9NO3
- 1-(3-Methoxy-1,2-oxazol-5-yl)propan-2-one1541915-70-1C7H9NO3
- 6-Oxo-5-azaspiro[2.4]heptane-4-carboxylic acid1521611-43-7C7H9NO3
- Methyl 2-hydroxy-2-(1H-pyrrol-3-yl)acetate1534191-55-3C7H9NO3
- 3-Hydroxy-3-(1H-pyrrol-2-yl)propanoic acid1528691-74-8C7H9NO3
- 3-Hydroxy-3-(1H-pyrrol-3-yl)propanoic acid1525953-37-0C7H9NO3
- 4-(Hydroxymethyl)-1-methyl-1H-pyrrole-2-carboxylicacid1551179-40-8C7H9NO3
- 2-Hydroxy-3-(1H-pyrrol-3-yl)propanoic acid1779772-52-9C7H9NO3
- Methyl 3,4-dimethylisoxazole-5-carboxylate1355180-31-2C7H9NO3
- 4-Ethoxy-1H-pyrrole-2-carboxylic Acid98547-56-9C7H9NO3
- Methyl 2-cyano-3-oxopentanoate64373-44-0C7H9NO3
- Ethyl 3-cyanooxetane-3-carboxylate1401868-91-4C7H9NO3
- 2-(Aminomethyl)benzene-1,3,5-triol1493524-97-2C7H9NO3
- (S)-2-Methyl-3-(oxazol-5-yl)propanoic acid2349845-70-9C7H9NO3
- (R)-2-Methyl-3-(oxazol-5-yl)propanoic acid2350651-37-3C7H9NO3
- (S)-3-(Oxazol-5-yl)butanoic acid2349741-97-3C7H9NO3
- (R)-3-(Oxazol-5-yl)butanoic acid2349289-38-7C7H9NO3
- (1S,2R,3S,4R)-3-Amino-7-oxabicyclo[2.2.1]hept-5-ene-2-carboxylic acid1932173-08-4C7H9NO3
- 2-(4-Ethyl-1,2-oxazol-3-yl)acetic acid1780991-11-8C7H9NO3
- 5-(2-Methoxyethyl)-1,2-oxazole-3-carbaldehyde1890342-15-0C7H9NO3
- 2-Oxo-3-azabicyclo[4.1.0]heptane-1-carboxylic acid1239421-73-8C7H9NO3
- 4-[(Aminooxy)methyl]benzene-1,3-diol1891267-83-6C7H9NO3
- 2-[(Hydroxyamino)methyl]benzene-1,4-diol1824496-51-6C7H9NO3
- Ketone, 5-ethoxy-3-isoxazolyl methyl98547-50-3C7H9NO3
- 1,5,8-Trioxaspiro[2.6]nonane-2-carbonitrile1849277-75-3C7H9NO3
- (2R)-5-Methylidene-6-oxopiperidine-2-carboxylic acid1224433-67-3C7H9NO3
- (2S)-5-Methylidene-6-oxopiperidine-2-carboxylic acid1224433-66-2C7H9NO3
- 1,3-Cyclopentanedione, 2-[1-(hydroxyamino)ethylidene]-382641-16-9C7H9NO3
- 3-(Pent-4-en-1-yl)-1,4,2-dioxazol-5-one2294057-06-8C7H9NO3
- 3-(Morpholin-3-yl)prop-2-ynoic acid2138164-33-5C7H9NO3
- 2-Oxa-7-azaspiro[4.4]nonane-1,8-dione2168794-90-7C7H9NO3
- Methyl 1-(cyanomethoxy)cyclopropane-1-carboxylate2247197-16-4C7H9NO3
- 2-(Aminomethyl)-3-methoxy-4H-pyran-4-one2551115-73-0C7H9NO3
- 4-(Hydroxymethyl)-2-methoxypyridine 1-oxide2092919-18-9C7H9NO3
- 2-Oxa-6-azaspiro[3.5]nonane-7,9-dione2767411-04-9C7H9NO3
- 3-(1,3-Oxazol-5-yl)oxolan-3-ol2138281-57-7C7H9NO3
- 1-Hydroxy-3-methoxy-2-methyl-1,4-dihydropyridin-4-one2138551-35-4C7H9NO3
- 3-Cyclopropyl-2-isocyanatopropanoic acid2649047-49-2C7H9NO3
- (2S)-3-Cyclopropyl-2-isocyanatopropanoic acid2648901-74-8C7H9NO3
- 2-Cyclobutyl-2-isocyanatoacetic acid2648993-54-6C7H9NO3
- 2-Oxa-6-azaspiro[3.5]nonane-5,8-dione2219408-50-9C7H9NO3
Frequently asked questions
What is the molar mass of C7H9NO3?
The molar mass of C7H9NO3 is 155.15 g/mol, calculated from standard atomic weights for 7 carbon atoms, 9 hydrogen atoms, 1 nitrogen atom and 3 oxygen atoms. The monoisotopic mass is 155.0582 Da.
How many compounds have the formula C7H9NO3?
CompoundList lists 559 compounds with the molecular formula C7H9NO3, including Ethyl 3-cyano-3-methyl-2-oxiranecarboxylate, 1-(3-Methoxy-2-furanyl)ethanone oxime, 3,5-Dimethoxypyridin-4-ol. 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 C7H9NO3?
C7H9NO3 has a degree of unsaturation of 4. 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.