Acids Calibration Level 4 Back Catalog number: 94841 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 95033 1,1-Dichloro-1-fluoroethane, 20mg/mL in MeOH, 1ml Price on request 10855.17-10MG Nifedipine Price on request 677583 Chloroacetanilide-OA-Mix 1, 100µg/ml in MeOH, 1ml Price on request