Perchlorate (ClO4-) Back Catalog number: 54164 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-4499-50-IO Identification Mixture for Sterols Analytes, each 50µg/mL in isooctane; unit: 1x1mL 2900.27 Cholesterol 2795.27 3b-Cholestanol (Dihydrocholesterol) 2734.28 Brassicasterol 3913.28 Champesterol 3767.29 Stigmasterol 2732.29 24-Ethylcholest- Price on request 38169 RCRA Oxygenates Price on request 70921 3,3’-Dimethoxybenzidine Price on request