FK506 (Tacrolimus) Sigma (PHR1809)? Try a better option.

A Depth-Data-Driven Comparison: Critical Reasons Leading Labs are Switching from Sigma to Selleck’s FK506 (Tacrolimus).

FK506 (Tacrolimus) Selleck VS Sigma

FK506 (Tacrolimus)	Selleck(S5003)	Sigma(PHR1809)
Free Aliquoting Service		N/A
Price	50mg, USD 147.0	150mg, USD 623.0
Purity	99.99%	Unknown
Citations	114	0
Technical Support	95.37% response rate within 2 hours	Unknown
Knowledge	FK506 (Tacrolimus) Mechanism of Action: Calcineurin Inhibition in T-Lymphocyte Research FK506 (Tacrolimus) Working Concentration \| Cell Culture \| Treatment FK506 (Tacrolimus) Solubility in DMSO FK506 (Tacrolimus) Storage & Stability FK506 (Tacrolimus) Combination Database FK506 (Tacrolimus) Molecular Weight \| Chemical Structure \| Stock Solution FK506 (Tacrolimus) IC50 for Cell-based and Cell-free Assays FK506 (Tacrolimus) SDS｜MSDS	Unknown

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