17-beta-Estradiol, certified, 0.25g Back Catalog number: C13213100 Availability: In the manufacturer's stock Price on request - + Recommended S-4200-ASS-CY Calibration Standard THC 20 Analytes, each concentration as listed in cyclohexane; unit : 6x1mL The working standard concentrations are: o-Terphenyl (ITSD) 200 µg/mL 5a-Androstane (ITSD) Price on request 11804.13-50-NN Triclosan methyl-d3 ether,50 µg/mL,n-nonane,1mL, Price on request 10417.14-100MG Disperse Blue I, 30 % dye content Price on request