CAS 21988-87-4 appears in our catalog under these names: 2,4,6-Tris(bromomethyl)mesitylene, 95%, 1,3,5–Tris(bromomethyl)–2,4,6–trimethylbenzene, 1,3,5-Tris(bromomethyl)-2,4,6-trimethylbenzene, >98.0%(T), 1,3,5-Tris(bromomethyl)-2,4,6-trimethylbenzene 95%, 2,4,6-TRIS(BROMOMETHYL)MESITYLENE, 98%. Offered by: Combi-blocks, GLPBio, TCI, Ambeed, Sigma-Aldrich. Available pack sizes: 1g, 25g, 100g, 5g, 10g.