Metformin, 1000μg/ml in MeOH, 1ml Back Catalog number: 72207 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 53090 Calibration Standard Kit Price on request C15123000 4-Methyl-2-pentanone, certified, 1ml Price on request 59592 Chemical Oxygen Demand Price on request