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 11232.10-10MG Acid Yellow 1,neat,neat,10mg, Price on request C369766 4-Chloro-3-methylphenol-2,6-d2, 2,5mg Price on request N525466 N-Nitrosodiethylamine-d10, 5mg Price on request