Mixed Calibration Standard 2 Back Catalog number: 53054 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 72207 Metformin, 1000μg/ml in MeOH, 1ml Price on request 677653 D6-alpha-HCH, 100 µg/ml, Cyclohexane, 1ml Price on request 676980 D5-Norfloxacin, 100 µg/ml, Acetonitrile, 1ml Price on request