CAS 42959-40-0 appears in our catalog under these names: 2-Chloro-5-hydroxynicotinic acid, 2-Chloro-5-hydroxynicotinic acid 95%, 2-Chloro-5-hydroxynicotinic acid, 95%, 95%, 2-Chloro-5-hydroxynicotinic acid, 95%. Offered by: Biosynth, Ambeed, Chemat, Fluorochem. Available pack sizes: 2,5g, 250mg, 100mg, 1g, 5g.