CAS 124935-89-3 appears in our catalog under these names: Tolterodine Impurity 3（Tolterodine EP Impurity C）, Tolterodine EP Impurity C, Tolterodine Impurity 12, 2-Methoxy-5-methyl-N,N-bis(1-methylethyl)-Gamma-phenyl-benzenepropanamine (2E)-2-Butenedioate, >95% (HPLC). Offered by: Hubei YoungXin, Chemat Brand, TRC. Available pack sizes: 10mg, 25mg, 50mg, 100mg, 200mg, on request, 250mg.