gamma-HCH, 100 µg/ml, Cyclohexane, 5ml Back Catalog number: 673955 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 677110 D4-Quinoxyfen, 100 µg/ml, Acetonitrile, 1ml Price on request 72340 1-(2,5-Dichlorophenyl)-3-methylurea Price on request DF-12378-S 1,2,3,7,8-Pentachlorodibenzofuran , 1.2ml x 50ug/ml, nonane Price on request