Product Name: Lisinopril dihydrate CAS No.: 76547-98-3 MF: C21H31N3O5 MW: 405.49 Specification: USP32 Characters: A white crystalline powder. Very soluble in water, sparingly soluble in methanol, practically insoluble in acetone and in ethanol. Usage: Antihypertensives agent. Assay: 98.0% - 102.0%