17-alpha-Estradiol, certified, 0.1g Back Catalog number: C13213000 Availability: In the manufacturer's stock Price on request - + Recommended 672914 Mefenpyr-diethyl, 100mg Price on request 3345.7-100-HX Chlorpyrifos-methyl, 100µg/mL, Solvent-hexane, Unit 1mL, # of units-1, Cas.no. 5598-13-0 Price on request 73763 Didodecyl phthalate Price on request