Category:
Regulated Fine Chemicals
CAS NO:
1356841-89-8
Standard:
BP,EP,ChP,USP,
FK-506-13C,D2 (Major) is a stable isotopically labeled analog of Tacrolimus, synthesized via advanced metabolic labeling. It serves as a critical reference standard for pharmacokinetic studies and mass spectrometry quantification. The molecular formula is C44H73NO10 with CAS 159888-64-9.
Strictly controlled storage at -20°C under inert atmosphere is required to maintain isotopic integrity. Handling must occur in certified fume hoods due to potent biological activity; personal protective equipment is mandatory to prevent dermal exposure.