2,2’,3,3’,4,4’-Hexachlorobiphenyl (128) Back Catalog number: 63128 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1986.12-K-5ME Diphenyltin dichloride, 1000µg/mL, Solvent-methanol, Unit 5mL, # of units-1, Cas.no. 1135-99-5 Price on request 681632 N-Methyl-2-pyrrolidone, 5ml Price on request 95592 Internal Standard Price on request