CAS 2328084-27-9 appears in our catalog under these names: sBOX(tBu) 95%, SBOX(TBU), (4S,4'S)-Di-tert-butyl 2,2'-(cyclopropane-1,1-diyl)bis(4,5-dihydrooxazole-4-carboxylate), 95%, 95%, di-tert-Butyl 2,2'-(Cyclopropane-1,1-diyl)(4S,4'S)-bis(4,5-dihydrooxazole-4-carboxylate), 98%. Offered by: Ambeed, Sigma-Aldrich, Chemat, Fluorochem. Available pack sizes: 50mg, 100mg, 250mg, 1g, 5g.