Category:
Preclinical Research Services
CAS NO:
1094598-75-0
Standard:
USP, EP,
Sildenafil EP Impurity B is a critical reference standard defined in the European Pharmacopoeia for quality control of Sildenafil citrate. Synthesized via specific organic pathways, it serves to identify and quantify degradation products. The molecular formula is C22H19N7O4S with CAS No. 137862-54-5.
Store strictly at 2-8°C in airtight containers away from light. Handle only within certified fume hoods using appropriate PPE due to potential toxicity. Do not use for clinical administration; strictly for laboratory analysis only.