L-Buthionine-(S,R)-sulfoximine (L-BSO) Sigma (B2515)? Try a better option.

A Depth-Data-Driven Comparison: Critical Reasons Leading Labs are Switching from Sigma to Selleck’s L-Buthionine-(S,R)-sulfoximine (L-BSO).

L-Buthionine-(S,R)-sulfoximine (L-BSO) Selleck VS Sigma

L-Buthionine-(S,R)-sulfoximine (L-BSO)	Selleck(S9728)	Sigma(B2515)
Free Aliquoting Service		N/A
Price	5mg, USD 147.0	500mg, USD 311.00
Purity	99.97%	97%
Citations	13	204
Technical Support	95.37% response rate within 2 hours	Unknown
Knowledge	L-Buthionine-(S,R)-sulfoximine (L-BSO) Mechanism of Action: γ-GCS Inhibition in Cancer Cells Research L-Buthionine-(S,R)-sulfoximine (L-BSO) Working Concentration \| Cell Culture \| Treatment Solubility in DMSO Storage L-Buthionine-(S,R)-sulfoximine (L-BSO) Combination Database Molecular Weight L-Buthionine-(S,R)-sulfoximine (L-BSO) IC50 for Cell-based and Cell-free Assays L-Buthionine-(S,R)-sulfoximine (L-BSO) SDS｜MSDS	Unknown

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