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 51025 Stoddard Solvent Price on request 95258 PCB Mix 10 ppb Price on request C13700500 Flucytosine, 100mg Price on request