CAS 115597-84-7 appears in our catalog under these names: 1,8-Bis-maleimidotriethyleneglycol, 95%, 1,8-Bis(maleimido)triethyleneglycol, BM(PEG)2(1,8–bismaleimido–diethyleneglycol), 1,8-Bis(maleimido)-3,6-dioxaoctane, >98.0%(HPLC), 1,8-Bismaleimido diethylene glycol 98%. Offered by: Combi-blocks, TRC, GLPBio, TCI, Ambeed. Available pack sizes: 1g, 250mg, 100mg, 10mg, 50mg, 5g, 250 mg, 100 mg.