Multi-Element Calibration Standard-2A Back Catalog number: 50012 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1964.12-50-IO 2,3',4,4'-Tetrabromodiphenyl ether, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 189084-61-5 Price on request 680321 Hydroxy alpha sanshool, 100 µg/ml, Acetonitrile, Price on request 675390 Propazine, 100 µg/ml, Acetonitrile, 5ml Price on request