Category:
Preclinical Research Services
CAS NO:
129212-35-7
Standard:
USP, EP,
Tacrolimus EP Impurity D is a critical reference standard for pharmaceutical quality control, defined as the 13-epimer of tacrolimus. Synthesized via precise stereoselective oxidation, its molecular formula is C44H75NO10 (CAS: 112689-83-9).
Store under -20°C in desiccated conditions to prevent hydrolysis. Handle only in certified laboratories using appropriate PPE due to potent biological activity; avoid direct skin contact or inhalation.