2,2’,5,5’-Tetrachlorobiphenyl (52) Back Catalog number: 66052 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended R-094S 1,3-Dinitropyrene, 100μg/ml in Toluene, 1ml Price on request 678505 Tebufenpyrad, 100 µg/ml, Acetonitrile, 5ml Price on request 0399.19-200-T 6-Methylbenz[a]anthracene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 316-14-3 Price on request