CAS 1186663-28-4 appears in our catalog under these names: 6-(Methylsulfonyl)-2-pyridinecarboxylic acid, 98%, 6-(Methylsulfonyl)picolinic acid, 97%, 6–(Methylsulfonyl)–2–pyridinecarboxylic Acid, 6-(Methylsulfonyl)picolinic acid 95%, 6-(Methylsulfonyl)picolinic acid, 95%, 95%. Offered by: Combi-blocks, AmBeed, GLPBio, Chemat. Available pack sizes: 1g, 5g, 250mg, 100mg.