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 11123.21-50-T 2,4,6-Tris(2,4,6-Tribromophenoxy-1,3,5-triazine,50 µg/mL ,toluene,1mL, Price on request 72421 Ethyl butyrate Price on request 15342-CY10 Pesticides - Mix 23, 100µg/ml in Cyclohexane, 10ml Price on request