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 XA14170000CY Hexachloro-1,3-butadiene, 100 ng/µl, 1ml Price on request 1732.30-10MG 8,16-Pyranthrenedione, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 128-70-1 Price on request 95023 Chlorinated Pesticide Mix #1 Price on request