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 0842.27-100-IO Cholest-3-ene, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 16732-84-6 Price on request 10410.2-50MG O,O-Dimethyldithiophosphate, ammonium salt Price on request 1795.12-K-IO 2,4-Diisopropylphenol, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 2934-05-6 Price on request