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 X9134 2-Methylnaphthalene Price on request 678964 Pyrene, 10 µg/ml, Cyclohexane, 10ml Price on request 34081 Ethyl methacrylate Price on request