CAS 1025509-77-6 appears in our catalog under these names: 2-Methylpyridine-4-sulfonyl chloride 95%, 2-Methylpyridine-4-sulfonyl chloride, 95%, 95%, 2-METHYLPYRIDINE-4-SULFONYL CHLORIDE, 95%. Offered by: Ambeed, Chemat, Fluorochem. Available pack sizes: 50mg, 100mg, 250mg, 1g, 5g.