Purmorphamine Tocris (4551)? Try a better option.

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

Purmorphamine Selleck VS Tocris

Purmorphamine	Selleck(S3042)	Tocris(4551)
Free Aliquoting Service		N/A
Price	5mg, USD 147.0	10mg, USD 301
Purity	99.97%	98%
Citations	61	22
Technical Support	95.37% response rate within 2 hours	Unknown
Knowledge	Purmorphamine Mechanism of Action: Smoothened (Smo) Activation in Pluripotent Stem Cell Research Purmorphamine Working Concentration \| Cell Culture \| Treatment Solubility in DMSO Storage Purmorphamine Combination Database Molecular Weight Purmorphamine SDS｜MSDS	Unknown

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