Category:
Active Pharmaceutical Ingredients
CAS NO:
193281-00-4
Standard:
EP,
Pemetrexed Impurity 4 is a critical synthetic intermediate and reference standard for the pharmaceutical manufacturing of pemetrexed disodium. It is primarily generated during the multi-step organic synthesis or degradation pathways of the active pharmaceutical ingredient (API). The compound serves as an essential tool for method development, stability testing, and impurity profiling to ensure drug quality compliance with ICH guidelines.
Strictly store in a cool, dry place away from light to prevent degradation. Personnel must utilize appropriate PPE including gloves and respirators due to potential irritant properties. This substance is for research use only and is not intended for direct clinical administration or therapeutic application.