2,2',3,3',4',5,6-Heptachlorobiphenyl (177) Back Catalog number: 63177 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 52400 1.0M NaOH Standard Reagent Price on request 679435 D10-Diazinon, 100 µg/ml, Acetone, 1ml Price on request 679881 4,4'-Diaminodiphenylmethane, 100 µg/ml, Acetonitr Price on request