Acids Calibration Level 3 Back Catalog number: 94840 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1048.25-K-IO n-Nonadecylcyclohexane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 22349-03-7 Price on request 94602 Fluoranthene Price on request 72417 Isovaleric acid Price on request