Calibration Standard Kit Back Catalog number: 53090 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 18000-0701D-100ME Metformin-d6-HCl, 100μg/ml in MeOH, 5ml Price on request 679197 Ethiprole, 100mg Price on request 8423.10-100MG Pyrazon, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 1698-60-8 Price on request