CAS No.:139755-83-2 Other Names:SILDENAFI MF:C22H30N6O4S EINECS No.:200-659-6 Type:Auxiliaries and Other Medicinal Chemicals Grade Standard:Medicine Grade Usage:Animal rmaceuticals Purity:99%min Product Name: Packing:1kg bag apperance:White powder documents available:COA Purity:100%, 99%, 98% Certification:ISO