CAS 1104636-68-1 appears in our catalog under these names: (E)-8-(2-Bromovinyl)-4-methyl-2,6-dioxohexahydro-[1,3,2]oxazaborolo[2,3-b][1,3,2]oxazaborol-4-ium-8-uide 95% mix TBC as stabilizer, TRANS-2-BROMOVINYLBORONIC ACID MIDA EST&. Offered by: Ambeed, Sigma-Aldrich. Available pack sizes: 100mg, 250mg, 1g, 5g, 100G.