Category:
Active Pharmaceutical Ingredients
CAS NO:
N/A
Standard:
EP,
Tofacitinib Impurity 69 is a critical reference standard used for quality control in the synthesis of Janus kinase inhibitors. Its molecular formula is C21H28N4O2 with CAS No. 205974-65-4. This impurity typically arises during the condensation steps of the drug substance manufacturing process.
Store in a cool, dry place away from direct sunlight. Handle only in certified fume hoods using appropriate PPE to prevent inhalation or skin contact. Strictly adhere to local regulations regarding pharmaceutical intermediates.