Home Impurities Promethazine
Name of Impurities :Promethazine Impurity D; Promethazine sulfoxide impurity
Chemical Name :N-[2-(Dimethylamino)propyl]phenothiazine S-oxide
CAS :7640-51-9
Molecular Formula :C17H20N2OS
Molecular Weight :300.42
NIL
Name of impurity :Velpatasvir impurity-40
CAS No:2514752-91-9
Name of impurity :Velpatasvir impurity-39
CAS No:2518116-06-6
Name of impurity :Velpatasvir impurity-38
CAS No:1844064-27-2
Name of impurity :Velpatasvir impurity-37 / L-Valine
CAS No:74761-42-5