Category:
Active Pharmaceutical Ingredients
CAS NO:
38861-78-8
Standard:
EP,
Ibuprofen Impurity E (EP) is a critical reference standard for quality control, defined as 2-(4-isobutylphenyl)-1-hydroxyethanone. It serves as a degradation product and process impurity in the industrial synthesis of ibuprofen via Friedel-Crafts acylation. The compound features the molecular formula C13H18O2 and CAS number 5768-49-6.
Strictly limit exposure to avoid skin irritation; handle within certified fume hoods. Store at -20°C under inert atmosphere to prevent oxidation and maintain analytical integrity.