2,3,3',4,4',5,5'-Heptachlorobiphenyl, 5mg Back Catalog number: C-189N Availability: In the manufacturer's stock Price on request - + Recommended 95520 Hexachlorobenzene Price on request 9424.8-10MG Valproic acid, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 99-66-1 Price on request 20049 CLP Volatiles - QTM Calibration Mix #1 Price on request