2,2',3,3',4,4',6-Heptachlorobiphenyl (171) Back Catalog number: 63171 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8112.17 3-n-Pentylcarbazole, Please inquire, Solvent-, Unit , # of units-, Cas.no. Price on request SC-474309 Violaxanthin (Mixture of Diastereomers), 1mg Price on request P-089S-10X Metribuzin, 1000µg/mL in MeOH, 1ml Price on request