SN-38 Cayman (15632)? Try a better option.

A Depth-Data-Driven Comparison: Critical Reasons Leading Labs are Switching from Cayman to Selleck’s SN-38.

SN-38 Selleck VS Cayman

SN-38	Selleck(S4908)	Cayman(15632)
Free Aliquoting Service		N/A
Price	10mg, USD 147.0	5 mg, USD 54
Purity	99.96%	98%
Citations	102	0
Technical Support	95.37% response rate within 2 hours	Unknown
Knowledge	SN-38 Mechanism of Action: Topoisomerase I Inhibition in Cancer Cell Research SN-38 Working Concentration \| Cell Culture \| Treatment Solubility in DMSO Storage SN-38 Combination Database Molecular Weight SN-38 IC50 for Cell-based and Cell-free Assays SN-38 SDS｜MSDS	Unknown

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