Benzidine Back Catalog number: 79151 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended KBIO-EBG-5ML ß-glucuronidase recombinant Escherichia coli Price on request C20018500 PCB No. 185, 10mg Price on request 30181 EPA Method 505 Analyte Mix Price on request