2,3,3',4,4',5,5'-Heptachlorobiphenyl (189) Back Catalog number: 66189 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3705.9-65-05HC Descarbamoylsaxitoxin, 65µM, Solvent-3mM HCl, Unit 0.5mL, # of units-1, Cas.no. Price on request 95442 2,3,4-Trifluorotoluene Price on request 11882.9-100G Di-n-butyl-carbonate,neat,neat,100g, Price on request