CAS 21717-96-4 appears in our catalog under these names: Risdiplam Impurity 13, 2–Amino–5–fluoropyridine, 2-Amino-5-fluoropyridine, 97% , 2-Amino-5-fluoropyridine, 2-Amino-5-fluoropyridine, >98.0%(GC)(T). Offered by: Chemat Brand, GLPBio, Thermo Scientific (Alfa Aesar), Biosynth, TCI. Available pack sizes: on request, 25g, 5g, 1g, 50g, 10g, 100g, 500g.