Home Impurities Promethazine
Name of Impurities :Promethazine Impurity-1
Chemical Name :1-(5-Oxido-10H-phenothiazin-10-yl)ethanone
CAS :1217-37-4
Molecular Formula :C14H11NO2S
Molecular Weight : 257.31
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