SILDENAFIL CITRATE CAS:171599-83-0 Formula: C22H30N6O4S . C6H8O7 CDX-S0078 474.6 . 192.1 >98% (HPLC) STREPTOZOTOCIN CAS:18883-66-4 Formula: C8H15N3O7 AG-CN2-0046 265.2 >98% (HPLC) | >75% (alpha anomer) |