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 2877.18-K-IO Di-(3-phenyl-1-propyl)amine, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 93948-20-0 Price on request 2196.11-K-ME 1-Methyl-5-nitronaphthalene, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 91137-27-8 Price on request 673693 Quinoxyfen, 10.0 µg/ml, Ethyl acetate, 10ml Price on request