2,4-DB Back Catalog number: 83563 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 51113 Benzene and Toluene Calibration Blends Set Price on request 10276.18-5MG (±)-Betaxolol-d7 hydrochloride (N-iso-propyl-d7) Price on request 679881 4,4'-Diaminodiphenylmethane, 100 µg/ml, Acetonitr Price on request