17a-Ethinylestradiol, certified, 0.25g Back Catalog number: C13245100 Availability: In the manufacturer's stock Price on request - + Recommended 9448.7-100 Chloramben, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 133-90-4 Price on request 92839 1-Methylphenanthrene Price on request 0202.22-100-T Dibenz[a,c]anthracene, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 215-58-7 Price on request