Benzidine Back Catalog number: 94737 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 70533 Amitraz, 1000µg/ml in Acetonitrile, 1ml Price on request 0137.12-K-IO 2-n-Octylthiophene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 880-36-4 Price on request DS-1000 Mass-Labelled PCDD Solution/Mixture, 1.2ml, nonane Price on request