2,4,4',5-Tetrachlorobiphenyl (74) Back Catalog number: 66074 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 675274 Pyriproxyfen, 100mg Price on request 9405.24-K-ME Carvedilol-d4 (ethyl-d4), 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 1133705-56-2 Price on request DD-2-S 2-Chlorodibenzo-p-dioxin, 1.2ml x 50ug/ml, nonane Price on request