2,3',4',5-Tetrachlorobiphenyl (70) Back Catalog number: 66070 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 92795 Volatile Standard Price on request E589400 trans-trans-10,11-Epoxy Farnesenic Acid Methyl Ester, 5mg Price on request 71254 2,5-Dichlorophenol Price on request