CAS 3680-69-1 appears in our catalog under these names: Tofacitinib Impurity 106, 6-Chloro-7-deazapurine, >95% (HPLC), 6–Chloro–7–deazapurine, 6-Chloro-7-deazapurine, 98% , 6-Chloro-7-deazapurine, >98.0%(GC)(T). Offered by: Chemat Brand, TRC, GLPBio, Thermo Scientific (Alfa Aesar), TCI. Available pack sizes: on request, 10g, 5g, 100g, 1g, 0,1kg, 0,05kg, 0,25kg.