2,2',3,4,4',5-Hexachlorobiphenyl (137) Back Catalog number: 66137 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended MPN-23 1,4,5-Trichloro(13C10)naphthalene, 1.2mL x 50ug/mL, nonane Price on request 50233 Mix #2 Price on request 679226 D9-Tulobuterol hydrochloride, 10mg Price on request