Mixed Calibration Kit Back Catalog number: 53052 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 679037 4-n-Amylphenol, 100mg Price on request 10520.10-K-AN (±)-Nicotine-2,4,5,6-d4 (pyridine-d4),1000 µg/mL,acetonitrile,1mL, Price on request 2540.7-50MG Paraxanthine, neat, Solvent-neat, Unit 50mg, # of units-1, Cas.no. 611-59-6 Price on request