COD Calibration Standard Back Catalog number: 50255 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2184.54-10MG n-Tetrapentacontane, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 5856-66-6 Price on request 56135 Oil & Grease - Calibration Standard Price on request 1544.11-K-IO n-Undecane-d24, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 164858-54-2 Price on request