Home Impurities Promethazine
Name of Impurities :Promethazine Impurity-5
Chemical Name :1H-Phenothiazin-1-one
CAS :54819-17-9
Molecular Formula :C12H7NOS
Molecular Weight : 213.26
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