Category:
Other Reagent
CAS NO:
1215039-66-9
Standard:
/,
Entacapone EP Impurity B is a critical reference standard defined by the European Pharmacopoeia for quality control of the COMT inhibitor Entacapone. Synthesized via nitration pathways, it serves as an identity marker in HPLC assays. Its molecular formula is C19H20N2O7 with CAS number 154680-36-1.
Strictly store below 25°C in a dry, dark environment to prevent hydrolysis. Handling requires PPE due to potential sensitization; avoid inhalation of dust or skin contact during analytical preparation.