2,2’,3,4,4’,5’-Hexachlorobiphenyl (138) Back Catalog number: 66138 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9939.6-1G 2-Methyl-3-pentanol, neat, Solvent-neat, Unit 1G, # of units-1, Cas.no. 565-67-3 Price on request 673248 Demeton-S-methyl-sulfone, 10.0 µg/ml, Acetonitril Price on request 72419 Isovaleraldehyde Price on request