2,2',4,5'-Tetrachlorobiphenyl (49) Back Catalog number: 66049 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1707.10-K-AN 4-(N-Methyl-N-nitrosamino)-1-(3-pyridyl)-1-butanone-d4, 1000µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 764661-24-7 Price on request 12152.13-100-ME Trinexapac-ethyl,100 µg/mL,MeOH,1mL, Price on request 30115 EPA Method 551.1 Performance Check Sol’n Price on request