PCB Congeners 1000 ppb Back Catalog number: 94587 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 680791 Allethrin, 10.0 µg/ml, Acetonitrile, 10ml Price on request 9406.18-K-ME Clozapine-d4, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 204395-52-8 Price on request NG-16493-1G 3-Ethoxy propionaldehyde diethyl acetal, 1g Price on request