Rapamycin (Sirolimus) Sigma (553210)? Try a better option.

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

Rapamycin (Sirolimus) Selleck VS Sigma

Rapamycin (Sirolimus)	Selleck(S1039)	Sigma(553210)
Free Aliquoting Service		N/A
Price	5mg, USD 147.0	10mg, USD 721.0
Purity	99.67%	95%
Citations	1856	773
Technical Support	95.37% response rate within 2 hours	Unknown
Knowledge	Rapamycin (Sirolimus) Mechanism of Action: mTOR Inhibition in Senescent Cells Research Rapamycin (Sirolimus): Selectivity & Specificity Rapamycin (Sirolimus) Working Concentration \| Cell Culture \| Treatment Solubility in DMSO Storage Rapamycin (Sirolimus) Combination Database Molecular Weight Rapamycin (Sirolimus) IC50 for Cell-based and Cell-free Assays Rapamycin (Sirolimus) SDS｜MSDS	Unknown

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