Calibration Mix #1, 200µg/ml in MeOH, 1ml Back Catalog number: 20149 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 683827 Sulfoxaflor Metabolite X11719474, 10mg Price on request C10028700 Acid Red 2G(E128), certified, 0.1g Price on request 72125 Cephalexin Price on request