Lapatinib (GW572016) Sigma (SML2259)? Try a better option.

A Depth-Data-Driven Comparison: Critical Reasons Leading Labs are Switching from Sigma to Selleck’s Lapatinib (GW572016).

Lapatinib (GW572016) Selleck VS Sigma

Lapatinib (GW572016)	Selleck(S2111)	Sigma(SML2259)
Free Aliquoting Service		N/A
Price	25mg, USD 147.0	10mg, USD 69.60
Purity	99.95%	98%
Citations	492	10
Technical Support	95.37% response rate within 2 hours	Unknown
Knowledge	Lapatinib (GW572016) Mechanism of Action: HER2 Inhibition in Breast Cancer Cell Research Lapatinib (GW572016): Selectivity & Specificity Lapatinib (GW572016) Working Concentration \| Cell Culture \| Treatment Solubility in DMSO Storage Lapatinib (GW572016) Combination Database Molecular Weight Lapatinib (GW572016) IC50 for Cell-based and Cell-free Assays Lapatinib (GW572016) SDS｜MSDS	Unknown

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