CAS 268220-92-4 appears in our catalog under these names: 1,1'-Bis[(2R,4R)-2,4-dipropyl-1-phosphetanyl]ferrocene stereoisomer, 97%, Stereoisomer of 1,1′-bis[(2R,4R)-2,4-dipropyl-1-phosphetanyl]ferrocene, 97%. Offered by: Ambeed, BLDpharm, Chemat. Available pack sizes: 100mg, 250mg, 1g, 5g, 50mg.