Maleimide(541-59-3) 1H NMR
Molecular FormulaC4H3NO2
Molecular Weight97.07
InChIInChI=1S/C4H3NO2/c6-3-1-2-4(7)5-3/h1-2H,(H,5,6,7)
InChIKey PEEHTFAAVSWFBL-UHFFFAOYSA-N
SmilesN1C(=O)C=CC1=O
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MassMS-NW-4974 maleimide C4H3NO2 (Mass of molecular ion: 97)
Source Temperature: 260 °C Sample Temperature: 180 °C Reservoir, 75 eV
12.0 1.2 13.0 1.8 14.0 1.1 24.0 1.4 25.0 6.6 26.0 100.0 27.0 5.1 28.0 6.6 29.0 2.3 37.0 1.1 38.0 2.1 39.0 1.5 40.0 3.9 41.0 3.4 42.0 4.6 43.0 8.8 44.0 1.6 51.0 2.1 52.0 4.3 53.0 13.4 54.0 65.6 55.0 2.4 68.0 1.0 69.0 33.8 70.0 2.9 82.0 1.6 97.0 82.7 98.0 4.3
90 MHz in CDCl3
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1H NMR 89.56 MHz C4 H3 N O2 0.042 g : 0.5 ml CDCl3 maleimide 
Assign. Shift(ppm)
A 8.5 B 6.728
Hz ppm Int.758.69 8.472 25 603.38 6.738 1000 601.94 6.722 872 599.00 6.689 24
in CDCl3
KBr disc
nujol mull
