Clopyralid, 100 µg/ml, Acetone, 1ml Back Catalog number: 678474 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 31381 Styrene, 2000µg/ml in MeOH, 1ml Price on request 679902 2,4,6-Trichlorophenol, 100 µg/ml, Acetonitrile, Price on request PCB-ST-A Native PCB Stock Solution , 1.2ml , nonane Price on request