LDN-193189 Sigma (SML0559)? Try a better option.

A Depth-Data-Driven Comparison: Critical Reasons Leading Labs are Switching from Sigma to Selleck’s LDN-193189.

LDN-193189 Selleck VS Sigma

LDN-193189	Selleck(S2618)	Sigma(SML0559)
Free Aliquoting Service		N/A
Price	2mg, USD 147.0	5mg, USD 144.00
Purity	99.43%	98%
Citations	269	209
Technical Support	95.37% response rate within 2 hours	Unknown
Knowledge	LDN-193189 Mechanism of Action: ALK2 Inhibition in Mesenchymal Stem Cell Research LDN-193189: Selectivity & Specificity LDN-193189 Working Concentration \| Cell Culture \| Treatment Solubility in DMSO Storage LDN-193189 Combination Database Molecular Weight LDN-193189 IC50 for Cell-based and Cell-free Assays LDN-193189 SDS｜MSDS	Unknown

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