Benzidine Back Catalog number: 94759 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended SCP150-012-010 CONOSTAN S-12 Standard, 100 ppm, 200g Price on request 675705 Difenoconazole Metabolite CGA-205374, 10mg Price on request 70939 MCPP methyl derivative Price on request