C5H9NO
274 compounds have this formula on CompoundList.
- Molar mass
- 99.13g/mol
- Monoisotopic mass
- 108.1249Da
- Atoms
- 16
- Elements
- 4
- Rings plus double bonds
- 2
The formula C5H9NO describes a molecule made of 5 carbon atoms, 9 hydrogen atoms, 1 nitrogen atom and 1 oxygen atom. 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 × 560.58%12.011 × 5 = 60.055 g/mol
- H Hydrogen × 99.15%1.008 × 9 = 9.072 g/mol
- N Nitrogen × 114.13%14.007 × 1 = 14.007 g/mol
- O Oxygen × 116.14%15.999 × 1 = 15.999 g/mol
Compounds with the formula C5H9NO
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 201 to 274 of 274 compounds
![2-Oxa-7-azabicyclo[3.2.0]heptane chemical structure, C5H9NO, CAS 21830-06-8](/s/UHENXFNHYHQSAK-UHFFFAOYSA-N.svg)
![rac-(1R,5R)-3-Oxabicyclo[3.1.0]hexan-1-amine chemical structure, C5H9NO, CAS 2089246-13-7](/s/YXAQPSXYYWRYCX-WHFBIAKZSA-N.svg)
- (4,5-Dihydrofuran-2-yl)methanamine1554159-53-3C5H9NO
- 2-Methyl-3-(methylamino)acrylaldehydeC5H9NO
- N-(Cyclobutylmethylidene)hydroxylamine205679-33-0C5H9NO
- (1R,6S)-2-Oxa-5-azabicyclo[4.1.0]heptane2351211-01-1C5H9NO
- 6-Azabicyclo[3.1.0]hexan-3-ol175544-27-1C5H9NO
- (1S,2R)-2-Methylcyclopropane-1-carboxamide1821757-62-3C5H9NO
- (1S,5S)-3-Oxabicyclo[3.1.0]hexan-6-amineC5H9NO
- 2-Methoxy-3,4-dihydro-2H-pyrrole470477-87-3C5H9NO
- (2,3-Dihydrofuran-2-yl)methanamine2363777-91-5C5H9NO
- N-(But-3-en-1-yl)methanimine N-oxide141305-09-1C5H9NO
- 4,5-Dimethyl-2,5-dihydro-1,3-oxazole192332-01-7C5H9NO
- (2Z)-N,3,3-Trimethyloxiran-2-imine670748-84-2C5H9NO
- 6-Oxa-7-azabicyclo[3.1.1]heptane1822600-36-1C5H9NO
- (Z)-3-(Dimethylamino)acrylaldehyde890932-87-3C5H9NO
- (S)-3-Aminocyclopentan-1-one2681297-99-2C5H9NO
- (3,3,5,5-(2)H)piperidin-4-one2304482-53-7C5H9NO
- (4R)-4-Methylpyrrolidin-3-one2920087-72-3C5H9NO
- (1S,5R)-3-Oxa-6-azabicyclo[3.2.0]heptane1932015-89-8C5H9NO
- 2-Methylazetidine-2-carbaldehyde1785313-43-0C5H9NO
- 2-(Azetidin-3-ylidene)ethan-1-ol1893923-85-7C5H9NO
- (1S,5S)-3-Oxabicyclo[3.1.0]hexan-1-amine2968348-01-6C5H9NO
- 3-Vinyloxetan-3-amine2061940-29-0C5H9NO
- 1-Oxa-5-azaspiro[2.4]heptane19540-14-8C5H9NO
- 3-Aminopent-4-yn-1-ol2359943-97-6C5H9NO
- 2-(Methylamino)cyclobutan-1-one2743433-81-8C5H9NO
- 2-(Aminomethyl)cyclobutan-1-one2680691-85-2C5H9NO
- 3-Amino-2-methylcyclobutan-1-one2763926-33-4C5H9NO
- (2R)-2-Ethylazetidin-3-one2659221-78-8C5H9NO
- 3-Oxa-4-azabicyclo[4.1.0]heptane286-12-4C5H9NO
- (3-Methylideneazetidin-2-yl)methanol2680753-70-0C5H9NO
- (R)-4-Hydroxy-2-methylbutanenitrile2924907-08-2C5H9NO
- Exo-2-azabicyclo[2.1.1]hexan-5-ol2940872-99-9C5H9NO
- 1-(Methyl-d3)pyrrolidin-3-one-2,2,4,4,5,5-d62600398-82-9C5H9NO
- 1-(Ethyl-d5)azetidin-3-one-2,2,4,4-d42363786-50-7C5H9NO
- Piperidin-2-one-3,3,4,4,5,5,6,6-d81822681-19-5C5H9NO
- N-(Methyl-d3)cyclopropane-d5-1-carboxamide2256740-01-7C5H9NO
- Piperidin-3-one-2,2,4,4,5,5,6,6-d82256742-41-1C5H9NO
- (4S)-2,4-Dimethyl-4,5-dihydro-1,3-oxazole131830-49-4C5H9NO
- (1S,6R)-2-Oxa-5-azabicyclo[4.1.0]heptane2351211-00-0C5H9NO
- N-(3-Methylbut-3-en-2-ylidene)hydroxylamine20963-51-3C5H9NO
- 5-Aminopent-3-yn-2-ol1823886-30-1C5H9NO
- 6-Oxabicyclo[3.1.0]hexan-3-amine2682115-64-4C5H9NO
- 5-Oxabicyclo[2.1.1]hexan-2-amine2820191-54-4C5H9NO
- 2-Azabicyclo[2.2.0]hexan-5-ol2384511-80-0C5H9NO
- (1S)-3-Oxabicyclo[3.1.0]hexan-1-amineC5H9NO
- ((2)H)piperidin-4-one2259315-77-8C5H9NO
- Endo-2-azabicyclo[2.1.1]hexan-5-olC5H9NO
- 2-Oxabicyclo[2.1.1]hexan-1-amine2974931-62-7C5H9NO
- 4-Isocyanobutan-1-ol782469-65-2C5H9NO
- rac-(1R,5R,6R)-2-Oxabicyclo[3.1.0]hexan-6-amine2375250-41-0C5H9NO
Frequently asked questions
What is the molar mass of C5H9NO?
The molar mass of C5H9NO is 99.13 g/mol, calculated from standard atomic weights for 5 carbon atoms, 9 hydrogen atoms, 1 nitrogen atom and 1 oxygen atom. The monoisotopic mass is 108.1249 Da.
How many compounds have the formula C5H9NO?
CompoundList lists 274 compounds with the molecular formula C5H9NO, including 1-Methylpyrrolidinone-5,5,-d2, 1-Amino-3-methylbut-3-en-2-one, O-(Cyclopent-3-en-1-yl)hydroxylamine. 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 C5H9NO?
C5H9NO has a degree of unsaturation of 2. 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.