N-Methylmaleimide

N-Methylmaleimide (NMM) is a naturally-occurring^{[citation needed]} organic compound with the formula of C₅H₅NO₂.

N-Methylmaleimide

Names
Preferred IUPAC name 1-Methyl-1H-pyrrole-2,5-dione
Identifiers
CAS Number	930-88-1 Y
3D model (JSmol)	Interactive image
ChemSpider	63446
ECHA InfoCard	100.012.024
EC Number	213-226-1
PubChem CID	70261
UNII	P0TFZ8R21Y Y
CompTox Dashboard (EPA)	DTXSID30239240
InChI InChI=1S/C5H5NO2/c1-6-4(7)2-3-5(6)8/h2-3H,1H3 Key: SEEYREPSKCQBBF-UHFFFAOYSA-N InChI=1/C5H5NO2/c1-6-4(7)2-3-5(6)8/h2-3H,1H3 Key: SEEYREPSKCQBBF-UHFFFAOYAQ
SMILES CN1C(=O)C=CC1=O
Properties
Chemical formula	C5H5NO2
Molar mass	111.100 g·mol−1
Melting point	96 °C (205 °F; 369 K)[1]
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Y verify (what is YN ?) Infobox references

Spectrum

The ¹H NMR spectrum of N-methylmaleimide contains two signals: one for the hydrogen atoms of the methyl group and one for the vinylic hydrogen atoms.

¹H NMR spectrum for N-methylmaleimide