C4H3NO2
24 compounds have this formula on CompoundList.
- Molar mass
- 97.07g/mol
- Monoisotopic mass
- 97.0164Da
- Atoms
- 10
- Elements
- 4
- Rings plus double bonds
- 4
The formula C4H3NO2 describes a molecule made of 4 carbon atoms, 3 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 × 449.49%12.011 × 4 = 48.044 g/mol
- H Hydrogen × 33.12%1.008 × 3 = 3.024 g/mol
- N Nitrogen × 114.43%14.007 × 1 = 14.007 g/mol
- O Oxygen × 232.96%15.999 × 2 = 31.998 g/mol
Compounds with the formula C4H3NO2
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 24 of 24 compounds
![2-Oxa-6-azabicyclo[2.2.0]hex-5-en-3-one chemical structure, C4H3NO2, CAS 63801-30-9](/s/PVUWAKOYHKMCJP-UHFFFAOYSA-N.svg)
![3-Oxa-1-azatricyclo[3.1.0.0~2,6~]hexan-4-one chemical structure, C4H3NO2, CAS 158599-54-3](/s/KUSAXTKYYCRTMY-UHFFFAOYSA-N.svg)
Frequently asked questions
What is the molar mass of C4H3NO2?
The molar mass of C4H3NO2 is 97.07 g/mol, calculated from standard atomic weights for 4 carbon atoms, 3 hydrogen atoms, 1 nitrogen atom and 2 oxygen atoms. The monoisotopic mass is 97.0164 Da.
How many compounds have the formula C4H3NO2?
CompoundList lists 24 compounds with the molecular formula C4H3NO2, including Maleimide, Cyanoacrylic acid, 4-Oxazolecarboxaldehyde. 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 C4H3NO2?
C4H3NO2 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.