CAS 2702251-89-4 appears in our catalog under these names: (2S,3aS,6R,7aS)-2-((4-Bromophenyl)thio)-6-isopropyl-3a-methylhexahydrobenzo[d][1,3,2]oxathiaphosphole 2-oxide 98%, PSIO. Offered by: Ambeed, Sigma-Aldrich. Available pack sizes: 25mg, 50mg, 100mg, 250mg, 1g, 500MG.