IWR-1-endo Sigma (681669)? Try a better option.

A Depth-Data-Driven Comparison: Critical Reasons Leading Labs are Switching from Sigma to Selleck’s IWR-1-endo.

IWR-1-endo Selleck VS Sigma

IWR-1-endo	Selleck(S7086)	Sigma(681669)
Free Aliquoting Service		N/A
Price	10mg, USD 147.0	10mg, USD 222.0
Purity	99.98%	95%
Citations	171	71
Technical Support	95.37% response rate within 2 hours	Unknown
Knowledge	IWR-1-endo Mechanism of Action: Tankyrase Inhibition in Cancer Stem Cells Research IWR-1-endo Working Concentration \| Cell Culture \| Treatment Solubility in DMSO Storage IWR-1-endo Combination Database Molecular Weight IWR-1-endo IC50 for Cell-based and Cell-free Assays IWR-1-endo SDS｜MSDS	Unknown

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