17-alpha-Estradiol, certified, 0.1g Back Catalog number: C13213000 Availability: In the manufacturer's stock Price on request - + Recommended 83542 2-Butanone (Methyl ethyl ketone)-DNPH Price on request 57224 Chromium (Cr) Price on request 8372.7-25MG 2,3,5,6-Tetrachloroanisole, neat, Solvent-neat, Unit 25mg, # of units-1, Cas.no. Price on request