N-Ethylmaleimide (NEM) Sigma (E3876)? Try a better option.

A Depth-Data-Driven Comparison: Critical Reasons Leading Labs are Switching from Sigma to Selleck’s N-Ethylmaleimide (NEM).

N-Ethylmaleimide (NEM) Selleck VS Sigma

N-Ethylmaleimide (NEM)	Selleck(S3692)	Sigma(E3876)
Free Aliquoting Service		N/A
Price	25mg, USD 147.0	5g, USD 98.50
Purity	99.96%	98%
Citations	16	0
Technical Support	95.37% response rate within 2 hours	Unknown
Knowledge	N-Ethylmaleimide (NEM) Mechanism of Action: Deubiquitinase Inhibition in Eukaryotic Cell Research N-Ethylmaleimide (NEM) Working Concentration \| Cell Culture \| Treatment Solubility in DMSO Storage N-Ethylmaleimide (NEM) Combination Database Molecular Weight N-Ethylmaleimide (NEM) IC50 for Cell-based and Cell-free Assays N-Ethylmaleimide (NEM) SDS｜MSDS	Unknown

Sigma is sourced from their official website（1/20/2026）