Ethynylestradiol (20,21-13C2,99%) 100 µg/mL in Acetonitrile, 1,2ml Back Catalog number: CLM-3375-1.2 Availability: In the manufacturer's stock Price on request - + Recommended 682512 D4-Prochloraz Metabolite BTS40348, 100 µg/ml, Ace Price on request 679041 TEPA, 100 µg/ml, Methanol, 1ml Price on request DF-13478-S 1,3,4,7,8-Pentachlorodibenzofuran, 1.2ml x 50ug/ml, nonane Price on request