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 71183 2,3,4,5,6-Pentachlorotoluene, 1000µg/ml in Acetone, 1ml Price on request 79234 5-Nitro-o-toluidine Price on request 53142 EPA 1620 Standard 4 Price on request