2,2’,3,3’,4,4’-Hexachlorobiphenyl (128) Back Catalog number: 66128 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 79207 Dibenzo(a,h)anthracene Price on request 72065 n-Hexadecane-d34 Price on request E600003 L-(+)-Ergothioneine-d9, 1mg Price on request