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 79566 2,6-Dinitrophenol Price on request 50196 Phosphate (PO43-) as P Price on request 2361.24-100-IOX5 Di-n-octyl phthalate-3,4,5,6-d4, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 93952-13-7 Price on request