Calibration Standard Kit Back Catalog number: 52090 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10412.4-100-ME Sodium DL-3-hydroxybutyrate-3,4,4,4-d4 Price on request Y0000424 Atracurium besylate, 120mg Price on request P689600-100MG Posaconazole, 100mg Price on request