CAS 115799-99-0 appears in our catalog under these names: 2,4-dichloro-6-methyl-pyrido[2,3-d]pyrimidine, 95%, 2,4-Dichloro-6-methylpyrido[2,3-d]pyrimidine, 97%, 97%. Offered by: Chemat Brand, Chemat. Available pack sizes: on request, 100mg, 250mg, 500mg.