2,3,3',4,4',5'-Hexachlorobiphenyl (157) Back Catalog number: 68157 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1H-HXCHLOR 1-Hydroxychlordene, 1.2mL x 100ug/mL, nonane Price on request B688565 3-Bromo-L-tyrosine, 1g Price on request 682817 Propylene carbonate, 1000mg Price on request