CAS 929970-09-2 appears in our catalog under these names: 2-[(Methylsulfonyl)amino]-1,3-benzothiazole-6-carboxylic acid, 95%, 2-(Methylsulfonamido)benzo(d)thiazole-6-carboxylic acid, 97%. Offered by: Combi-blocks, AmBeed. Available pack sizes: 1g, 5g.