PCB Congeners (10 ppm) Back Catalog number: 97819 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1626.8-10MG Ethyl-ß-D-6-glucuronide, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 17685-04-0 Price on request 677803 Oxalic acid, 250mg Price on request 682464 2,5-Hexanedione, 1000mg Price on request