17-beta-Estradiol, certified, 0.25g Back Catalog number: C13213100 Availability: In the manufacturer's stock Price on request - + Recommended 0784.17-500-IO 1,2,9-Trimethylphenanthrene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 146448-88-6 Price on request 21061 CLP Pesticide Lab Control Standard Price on request 92214 8082LCS / Matrix Spike Price on request