PCB Congener Surrogate Standard Mix Back Catalog number: 94568 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11892.15-K-ME Agomelatine,1000 µg/mL,MeOH,1mL, Price on request 678105 Pyracarbolid, 100 µg/ml, Acetonitrile, 1ml Price on request 96503 Meperidine Price on request