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 10298.12-10MG Octabromodiphenyl ether, techn. Price on request 59108 ICP Custom Standard Price on request 10387.17-10MG Zopiclone-N-oxide Price on request