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N-Hydroxymaleimide

CAS: 4814-74-8 | C4H3NO3

2D Structure

3D Structure

Loading 3D structure...

Basic Information

CAS Registry Number: 4814-74-8
Molecular Formula: C4H3NO3
Molecular Mass: 113.07 g/mol

Names and Synonyms:

N-Hydroxymaleimide
1H-Pyrrole-2,5-dione, 1-hydroxy-
Maleimide, N-hydroxy-
1-Hydroxy-1H-pyrrole-2,5-dione
N-Hydroxymaleimide
1-Hydroxy-2,5-dihydro-1H-pyrrole-2,5-dione
1-Hydroxypyrrole-2,5-dione

Identifiers:

SMILES:
O=C1C=CC(=O)N1O
InChI:
InChI=1S/C4H3NO3/c6-3-1-2-4(7)5(3)8/h1-2,8H

Key Properties

Melting Point
148-150 °C (decomp) CAS Common Chemistry

Spectral Data

NMR, IR, and Mass spectral data

1H NMR
13C NMR
Predicting NMR spectra...
10 ppm 9 8 7 6 5 4 3 2 1 0 ppm
Shift (ppm) Multiplicity Integration Assignment
200 ppm 180 160 140 120 100 80 60 40 20 0 ppm
Shift (ppm) DEPT Assignment

Note: These NMR spectra are predicted computationally and may differ from experimental data. Predictions are based on chemical environment analysis.

External Resources

All Properties

Comprehensive physical and chemical properties

Property Value Source
Molecular Mass 113.07 g/mol CAS Common Chemistry
113.072 g/mol RDKit
113.011292956 g/mol RDKit
Canonical SMILES O=C1C=CC(=O)N1O CAS Common Chemistry
InChI InChI=1S/C4H3NO3/c6-3-1-2-4(7)5(3)8/h1-2,8H CAS Common Chemistry
InChI Key InChIKey=BUXKULRFRATXSI-UHFFFAOYSA-N CAS Common Chemistry
Melting Point 148-150 °C (decomp) CAS Common Chemistry
Name N-Hydroxymaleimide CAS Common Chemistry
Heavy Atom Count 8 RDKit
Hydrogen Bond Acceptors 3 RDKit
Hydrogen Bond Donors 1 RDKit
Rotatable Bonds 0 RDKit
Aromatic Ring Count 0 RDKit
Topological Polar Surface Area 57.61 Ų RDKit
LogP -0.6994000000000002 RDKit
Molar Refractivity 22.779499999999995 RDKit

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