Benzidine Back Catalog number: 70027 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 83540 Benzaldehyde-DNPH Price on request 18000-0664-100AN5 Levetiracetam, 100µg/ml in Acetonitrile, 5ml Price on request FS-1000 Mass-Labelled PCDF Solution/Mixture, 1.2ml, nonane Price on request