2,2’,4,4’-Tetrachlorobiphenyl Back Catalog number: 63047 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8481.22-K-AN Diltiazem hydrochloride,1000 µg base/mL,acetonitrile,1mL, Price on request 675757 Disulfoton-sulfoxide, 100 µg/ml, Acetonitrile, 5 Price on request 91202A Pesticide Standard Price on request