N-Methyl-4-[1-(4-chlorophenyl)-1-phenylethoxy)hexahydroazepine (Clemastine EP Impurity B) is an impurity in the synthesis of Clemastine Fumarate (C568500); a H1 histamine receptor antagonist and antihistaminic.
Molecular Formula:C21H26ClNO
Molecular Weight:343.89
Storage and Stability:Store at -20°C. For maximum recovery of product, centrifuge the original vial prior to removing the cap.