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 673616 beta-HCH, 100 µg/ml, Ethyl acetate, 5ml Price on request 4M163 2,3,3',4',5,6-Hexachloro-4-methoxybiphenyl, 1.2ml x 50ug/ml, nonane Price on request 54517 Formic Acid (Formate) Price on request