MG132 Sigma (M8699)? Try a better option.

A Depth-Data-Driven Comparison: Critical Reasons Leading Labs are Switching from Sigma to Selleck’s MG132.

MG132 Selleck VS Sigma

MG132	Selleck(S2619)	Sigma(M8699)
Free Aliquoting Service		N/A
Price	5mg, USD 197.00	1mg, USD 212.00
Purity	99.73%	98%
Citations	2395	2465
Technical Support	95.37% response rate within 2 hours	Unknown
Knowledge	MG132 Mechanism of Action: Proteasome Inhibition in Tumor Cell Research MG132: Selectivity & Specificity MG132 Working Concentration \| Cell Culture \| Treatment Solubility in DMSO Storage MG132 VS Epoxomicin (BU-4061T) \| Bortezomib \| PR-171 (Carfilzomib) Molecular Weight MG132 IC50 for Cell-based and Cell-free Assays MG132 SDS｜MSDS	Unknown

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