CAS 87-42-3 appears in our catalog under these names: 6-Chloropurine, 6-Chloropurine/ 98%, 6-Chloropurine, 99% , 6-Chloropurine, >98.0%(T), 6-Chloropurine, 99+%. Offered by: TRC, TargetMol, Thermo Scientific (Alfa Aesar), TCI, Biosynth. Available pack sizes: 5g, 1g, 25g, 1kg, 0,5kg, 2kg, 5kg, 10kg.