2,2',3,3',4',5,6-Heptachlorobiphenyl (177) Back Catalog number: 66177 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9425.8-K-ME Valproic acid-d4, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 87745-17-3 Price on request XA20920000AL Phenanthrene, 100µg/mL in Acetonitrile, 1ml Price on request X749751 [13C5]Xylitol, 10mg Price on request