Home Impurities Promethazine
Name of Impurities :Promethazine Impurity-4
Chemical Name :10-(2-Propen-1-yl)-10H-phenothiazine
CAS :20962-92-9
Molecular Formula :C15H13NS
Molecular Weight : 239.34
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