CAS 165890-26-6 appears in our catalog under these names: (3AS,12BR)-11-CHLORO-2-METHYL-2,3,3A,12B-TETRAHYDRO-1H-DIBENZO[2,3:6,7]OXEPINO[4,5-C]PYRROL-1-ONE, 95%, 95%, Asenapine impurity 1, 95.0%, Asenapine impurity 1 (Standard), rel-(3aR,12bS)-11-chloro-2-methyl-2,3,3a,12b-tetrahydro-1H-dibenzo[2,3:6,7]oxepino[4,5-c]pyrrol-1-one, 95%. Offered by: Chemat, MedChemExpress, Fluorochem. Available pack sizes: 100mg, 250mg, 1g, Get quote, 10 mg, 5 mg, 100 mg, 25 mg.