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 2797.23-1G Chlormadinone acetate, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 302-22-7 Price on request 8971.39-100-T 3-Chloro-1,2-propandiol-dilinoleate,100 µg/mL,toluene,1mL Price on request 1521.15-K-IO 4,6-Di-tert-butyl-2-methylphenol, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 616-55-7 Price on request