17a-Ethinylestradiol, certified, 0.25g Back Catalog number: C13245100 Availability: In the manufacturer's stock Price on request - + Recommended 72262 Sulfamerazine, 1000µg/ml in MeOH, 1ml Price on request 79384 n-Tetradecane Price on request 675751 Dicrotophos, 10.0 µg/ml, Ethyl acetate, 10ml Price on request