2',3,4,4',5-Pentachlorobiphenyl (123) Back Catalog number: 66123 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11971.44-100MG Hydroxyzine pamoate,neat,neat,100mg, Price on request 1313.10-5G 1-Fluoronaphthalene,neat,neat,5g, Price on request 677838 2-Hydroxyibuprofen, 100 µg/ml, Acetonitrile, 1ml Price on request