2,3,3',4,4',5'-Hexachlorobiphenyl (157) Back Catalog number: 68157 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1583.30-10MG Betulin, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 473-98-3 Price on request 3177.8-K-IO Ethyl hexanoate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 123-66-0 Price on request 1257.7-1ML 3-Methylhexane, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 589-34-4 Price on request