2,2’,3,5’-Tetrachlorobiphenyl (44) Back Catalog number: 66044 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1973.12-50-IO 2,2',3,4,4',5',6-Heptabromodiphenyl ether, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 207122-16-5 Price on request 675829 Endrin, 100 µg/ml, Toluene, 5ml Price on request 59436 pH 4.0 Standard @ 25°C Price on request