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 79156 n-Hexadecane Price on request 677924 Pyrifenox, 100 µg/ml, Ethyl acetate, 1ml Price on request 0169.4-1ML Tetrahydrothiophene, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 110-01-0 Price on request