Benzidine, 100 µg/ml, Acetonitrile, 1ml Back Catalog number: 679880 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 71105 Propyl acetate Price on request 679904 S-Metolachlor, 100 µg/ml, Acetone, 1ml Price on request 679032 cis-2,6-Dimethylmorpholine, 100mg Price on request