Pirfenidone Sigma (P2116)? Try a better option.

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

Pirfenidone Selleck VS Sigma

Pirfenidone	Selleck(S2907)	Sigma(P2116)
Free Aliquoting Service		N/A
Price	10mg, USD 147.0	10MG, USD 153.00
Purity	99.98%	97%
Citations	53	0
Technical Support	95.37% response rate within 2 hours	Unknown
Knowledge	Pirfenidone Mechanism of Action: TGF-β Inhibition in Lung Fibroblast Research Pirfenidone: Selectivity & Specificity Pirfenidone Working Concentration \| Cell Culture \| Treatment Solubility in DMSO Storage Pirfenidone Combination Database Molecular Weight Pirfenidone IC50 for Cell-based and Cell-free Assays Pirfenidone SDS｜MSDS	Unknown

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