Benzidine Back Catalog number: 79151 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3524.12-100-AN Vinclozolin Price on request 59418 Custom Calibration Standard Price on request 15900-4150-100AN5 Propazin, 100μg/ml in Acetonitrile, 5ml Price on request