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 0606.28-100-IO (24S)-24-Methylcholest-8(14)-ene, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 6673-69-4 Price on request 1100.12-K-IO Dibenzofuran, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 132-64-91 Price on request 79190 Endothall Price on request