QC Standard 5 Back Catalog number: 56088 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 4PM172 2,2',3,3',4,5,5'-Heptachloro-4'-methoxybiphenyl, 1.2ml x 50ug/ml, nonane Price on request 1289.17-100-AN gamma-Oxo- alpha-methyl-2-dibenzothiophenebutyric acid, 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 26139-07-1 Price on request 673510 Chlorpropham, 100 µg/ml, Ethyl acetate, 5ml Price on request