o-Toluidine, 100 µg/ml, Acetonitrile, 1ml Back Catalog number: 679892 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 11966.18-K-ME Dextromethorphan hydrobromide monohydrate,1000 µg base/mL,MeOH,1mL, Price on request 32471 Trichloroethene Price on request 679461 4,4'-DDT, 100 µg/ml, Methanol, 1ml Price on request