2,2',3,3',4,5,6'-Heptachlorobiphenyl (174) Back Catalog number: 63174 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 59830 GFAA Mix Price on request 680483 D6-Azinphos-methyl, 100 µg/ml, Acetone, 1ml Price on request 71858 2,4’-Methoxychlor Price on request