beta-HCH, 100 µg/ml, Ethyl acetate, 5ml Back Catalog number: 673616 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 680618 Bis(2-butoxyethyl) adipate, 250mg Price on request 11028.30-100-AN Diisoundecyl phthalate,100 µg/mL,acetonitrile,1mL, Price on request 30003 EPA Method 500 Series Internal Std #4 Price on request