17a-Ethinylestradiol, certified, 0.25g Back Catalog number: C13245100 Availability: In the manufacturer's stock Price on request - + Recommended 672852 Fipronil, 100mg Price on request S-4520-K-IOX5 Organotin Standard Mixture 4 - Tin Ethyl Derivatives 5x1mL 1000 µg/mL in isooctan1 (based on total mass) Mono-n-butyltin (triethyl) Di-n-butyltin (diethyl) Tri-n-butyltin (monoethyl) Monophenyltin (triethyl) Diphenyltin (diethyl) Triphenyltin (mono Price on request PCN-INC PCN Major Incineration Congeners Solution/Mixture, 1.2ml, nonane Price on request