Afatinib (BIBW2992) Sigma (SML3109)? Try a better option.

A Depth-Data-Driven Comparison: Critical Reasons Leading Labs are Switching from Sigma to Selleck’s Afatinib (BIBW2992).

Afatinib (BIBW2992) Selleck VS Sigma

Afatinib (BIBW2992)	Selleck(S1011)	Sigma(SML3109)
Free Aliquoting Service		N/A
Price	5mg, USD 147.0	10mg, USD 98.10
Purity	99.99%	98%
Citations	433	0
Technical Support	95.37% response rate within 2 hours	Unknown
Knowledge	Afatinib (BIBW2992) Mechanism of Action: EGFR Inhibition in Lung Adenocarcinoma Cell Research Afatinib (BIBW2992) Working Concentration \| Cell Culture \| Treatment Solubility in DMSO Storage Afatinib (BIBW2992) Combination Database Molecular Weight Afatinib (BIBW2992) IC50 for Cell-based and Cell-free Assays Afatinib (BIBW2992) SDS｜MSDS	Unknown

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