Category:
Active Pharmaceutical Ingredients
CAS NO:
118-41-2
Standard:
EP,
Trimethoprim EP Impurity J is a critical reference standard for pharmaceutical quality control, specifically defined in the European Pharmacopoeia. It serves as an identification and quantification tool during the synthesis of trimethoprim. The molecular formula is C15H19N5O2, with CAS number 6487-03-6. This impurity typically arises from specific side reactions or incomplete coupling processes.
Store strictly below 25°C in a dry, well-ventilated area away from light. Handle only within certified fume hoods using appropriate PPE due to potential sensitization risks. Do not use for clinical administration; this material is intended solely for analytical purposes.