CAS 1802-30-8 appears in our catalog under these names: Nicotinic Acid EP Impurity B, 6,6'-Binicotinic Acid, 2,2'-Bipyridine-5,5'-dicarboxylic Acid (6,6'-Dinicotinic Acid), 2,2'–Bipyridine–5,5'–dicarboxylic Acid, Prolyl-4-hydroxylase Inhibitor 11/ 99.76% (existing batch purity). Offered by: Chemat Brand, TRC, Mikromol, GLPBio, TargetMol. Available pack sizes: on request, 100mg, 25mg, 10g, 1g, 5g, 50mg, 25g.