CLP Semi-Volatile Acid Surrogate Standard Back Catalog number: 21015 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0601.27-100-IO ß alpha alpha (20R)-Cholestane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 481-20-9 Price on request 92351 Semi-Volatile Mix - Data Chem Price on request 70056 tert-Butyl benzene Price on request