CAS 58-14-0 appears in our catalog under these names: Pyrimethamine (Daraprim), Pyrimethamine, Pyrimethamine, >95% (HPLC), Pyrimethamine/ 99.74% (existing batch purity), Pyrimethamine, >98.0%(HPLC)(T). Offered by: Chemat Brand, Mikromol, LoGiCal, Dr. Ehrenstorfer, TRC. Available pack sizes: on request, 250mg, 10mg, 100mg, 50mg, 200mg, 10mM (in 1ml dmso), 25g.