Group 3 PCB’s - Low Toxicity Congeners Back Catalog number: 66214 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10412.4-K-ME Sodium DL-3-hydroxybutyrate-3,4,4,4-d4 Price on request 678487 Profenofos, 100 µg/ml, Acetonitrile, 5ml Price on request 94125 CCV Mid-Range Volatile Standard Price on request