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
Molecular Formula: C₆H₇NO₂
Appearance: White Solid
Melting Point: 45-46°C
Molecular Weight: 125.13
Storage: Refrigerator
Solubility: Chloroform (Slightly), Methanol (Slightly)
Category: Amines, Heterocycles, MTS & Sulfhydryl Active Reagents,
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 to or less than 1g/ml and there is less than 100g/ml in the package

All Products are stable to be shipped at room temperature, unless otherwise specified.
MSDS: E817900.pdf
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  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:   In Stock

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