17-beta-Estradiol, certified, 0.25g Back Catalog number: C13213100 Availability: In the manufacturer's stock Price on request - + Recommended S-4122-ASS-IOX10 NPD F-Internal Standard Cocktail 3 Analytes, each concentration as listed in isooctane; units: 1x1mL, 5x1mL, 10x1mL Chiron No. Name CAS No Conc. 1313.10 1-Fluoronaphthalene [321-38-0 ] 1 Price on request 676648 2-Methyl-1-propanethiol, 100mg Price on request BB-29 2,4,5-Tribromobiphenyl, 1.2ml x 50ug/ml, nonane Price on request