Product Name: 5-(2-Ethoxyphenyl)-1-methyl-3-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]
-7-pyrimidinone
CAS No.: 139756-21-1
Molecular formula: C17H20N4O2
Molecular weight: 312.37
Assay: ≥99.5%
Appearance: White or almost white crystalline powder ,MP:141-145 oC
Use: Sildenafil intermediate
Package: 1kg/bag,25kg/drum