VPH Calibration Check Standard Rev 1.1 Back Catalog number: 96843 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9837.8-10MG Valproic acid-d15, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 362049-65-8 Price on request 680465 alpha-Methylstyrene, 200 µg/ml, Methanol, 1ml Price on request 53003 Nickel Nitrate Modifier Price on request