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Name of Impurities :(E)-4-Methoxy-3-buten-2-one
Chemical Name :3-Buten-2-one, 4-methoxy-, (3E)- (9CI, ACI)
CAS :51731-17-0
Molecular Formula :C5H8O2
Molecular Weight : 100.12
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