PCB Congeners Back Catalog number: 94604 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 679293 Tolprocarb, 100 µg/ml, Acetonitrile, 1ml Price on request PN-33S 1,2,4,6-Tetrachloronaphthalene, 1.2mL x 50ug/mL, nonane Price on request D453145 (2R,3R)rel2,3Dihydroxy-2-methylbutanoic Acid,500mg Price on request