CAS Registry Number

CAS 53123-88-9 — Rapamycin

Rapamycin is a potent immunosuppressant and mTOR inhibitor, widely used in research for its roles in cell signaling, aging studies, and anti-cancer investigations. It is also approved clinically for organ transplant rejection prevention. This macrocyclic compound has the CAS number 53123-88-9, with a molecular formula of C51H79NO13 and a molecular weight of 914.17 g/mol. It requires storage at -15 to -20°C, carries a **Danger** signal word for toxicity, and is supplied as a white to off-white solid. Molekula supplies Rapamycin from research to bulk quantities with full documentation and ISO 9001:2015 traceability.