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 73678 2,4,6-Trimethoxy-1,3,5-triazine Price on request 71526 N-Nitrosoethyl-n-propylamine Price on request 673393 Monolinuron, 100 µg/ml, Acetonitrile, 5ml Price on request