Calibration Standard 1 Back Catalog number: 52021A Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3055.28-50-IO alpha alpha alpha (20R,24S)-24-Methylcholestane, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 511-20-6 Price on request 97235 n-Hydrocarbon Standard (C5-C15), 2000µg/mL in MeOH, 1ml Price on request 676862 D6-Parathion-methyl, 100 µg/ml, Acetone, 1ml Price on request