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 MBDE-126 3,3',4,4',5-Pentabromo[13C12]diphenyl ether, 1.2ml x 50ug/ml, nonane Price on request 680962 Fipronil carboxamide, 100 µg/ml, Ethyl acetate, Price on request 2125.12-K-IOX5 Arochlor 1221 , 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 11104-28-2 Price on request