EPA Method 507 Analyte Mix #10 Back Catalog number: 91424 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1805.12-K-IO 2,2',5,5'-Tetrachlorobenzidine, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 15721-02-5 Price on request 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 675433 Pyridaphenthion, 100mg Price on request