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 95618 505Mix Price on request 32821 n-Nonane Price on request 1025.X-100MG Purified asfalthenes from North Sea Oil,neat,neat,100mg, Price on request