17-alpha-Estradiol, certified, 0.1g Back Catalog number: C13213000 Availability: In the manufacturer's stock Price on request - + Recommended 95592 Internal Standard Price on request 677431 Tributyl phosphate, 1ml Price on request 0856.28-50-IO C28 Triaromatic sterane, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 80382-33-8 Price on request