2,2',3,3',4,5,6'-Heptachlorobiphenyl (174) Back Catalog number: 66174 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2874.11-50-ME Perfluoroundecanoic acid, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 2050-94-8 Price on request S-FC2241S-1.2ML Metolachlor (ring-13C6), 100µg/ml in n-Nonane, 1,2ml Price on request R415002 Riboflavin-13C,15N2, 1mg Price on request