Product name: Purine Sildenafil intermediate
Alias: 7H-imidazo [4, 5-d] pyrimidine
1H-Purine(9CI);Purine(6CI,8CI);3,5,7-Triazaindole; 3H-Imidazo[4,5-d]pyrimidine;6H-Imidazo[4,5-d]pyrimidine; 7H-Purine; Isopurine; NSC 753; b-Purine
CAS No.:120-73-0
Appearance: Colorless crystal powder, soluble in water.
Molecular formula: C5H4N4
Molecular weight: 120.112
Content: 98%
Melting point: 214-217 ° C,
Storage conditions: 2-8 ° C,
Water solubility: 400 g/L (C) 20 okay!
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