2,2',3,4',5',6-Hexachlorobiphenyl (149) Back Catalog number: 63149 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 93175 Base/Neutral Standard Price on request L-PFDS Sodium perfluoro-1-decanesulfonate, 1.2ml x 50ug/ml, methanol Price on request 675872 2,4'-Dichlorobenzophenone, 250mg Price on request