N-Ethyl Maleimide

Catalogue number: E817900
Chemical name: N-Ethyl Maleimide
Synonyms: 1-Ethyl-1H-pyrrole-2,5-dione; 1-Ethyl-1H-pyrrole-2,5-dione; Ethylmaleimide; Maleic Acid N-Ethylimide; NEM; NSC 7638;
CAS Number: 128-53-0
Possible CAS #: NA
Molecular form.: C₆H₇NO₂
Appearance: White Solid
Melting Point: 44-46°C
Mol. Weight: 125.13
Storage: Refrigerator
Solubility: Chloroform, Methanol
Stability: No Data Available
Category: Amines, Heterocycles, MTS & Sulfhydryl Active Reagents,
Boiling Point: No Data Available
Applications: Reagent for the covalent modification of cysteine residues in proteins. NEM gives a clear solution in ethanol at 50 mg/ml. NEM dissolves in water (>50 mg in 4 ml); however, aqueous solutions are unstable. The rate of hydrolysis is pseudo-first order and significantly dependent on pH.
Dangerous Goods Info: Not a dangerous good if item is equal too or less than 1g/ml and there is less than 100g in the package
References: Sheehan, M., et al.: J. Cell Biol., 106, 1 (1988), Vogel, K., et al.: J. Biol. Chem., 275, 2959 (2000), Ramos, C., et al.: Biochem. J., 400, 393 (2006),
Peer Review Product Citations:

Order Product

  Pack size Price(USD)
1g $75.00
10g $200.00
50g $880.00
  Pack size Price(USD)
5g $100.00
25g $425.00
100g $1200.00
Exact Weight Packaging ($75(USD) / Vial)
Inventory Status:   Pending QC

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