CAS 38275-34-2 appears in our catalog under these names: PK11000/ 100%, PK11007, PK11000 98%, 5-Chloro-2-(methylsulfonyl)pyrimidine-4-carboxylic acid, 98%, 98%, PK11000, 99.56%. Offered by: TargetMol, GLPBio, Biosynth, Ambeed, Chemat. Available pack sizes: 5mg, 10mg, 25mg, 50mg, 100mg, 10mM (in 1ml dmso), 5g, 0,5g.