CAS 210169-40-7 appears in our catalog under these names: (S)-(+)-DTBM-SEGPHOS(regR), >99.0%(HPLC), (S)-5,5'-Bis[di(3,5-di-tert-butyl-4-methoxyphenyl)phosphino]-4,4'-bi-1,3-benzodioxole 98% 99%ee, (S)-DTBM-SEGPHOS , >=94%, (S)-DTBM-SEGPHOS, 98%, 98%, (S)-DTBM-SEGPHOS, 98%. Offered by: TCI, Ambeed, Sigma-Aldrich, Chemat, Fluorochem. Available pack sizes: 200mg, 1g, 100mg, 250mg, 5g, 25g, 10g, 2.5g.