2,2',3,4,4',5-Hexachlorobiphenyl (137) Back Catalog number: 66137 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 678219 1-(4-Isopropylphenyl)urea, 100mg Price on request S-4728-200-TX24 Custom mix of C0-C4 alkyl PAHs 1-Methylnaphthalene 0712.11 1,3-Dimethylnaphthalene 0722.12 2,3,5-Trimethylnaphthalene 0706.13 1,4,6,7-Tetramethylnaphthalene 0707.14 1-Methylfluorene 0350.14 1,7-Dimethylfluorene 0908.15 9-n-Propylfluorene 1694.16 Dib Price on request 0222.22-200-T Benzo[ghi]perylene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 191-24-2 Price on request