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 2959.12-100-IO Methyl viologen-d8 dichloride (rings-d8), 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 347841-45-6 Price on request 70319 1,2,3,5-Tetrachlorobenzene, 1000µg/ml in MeOH, 1ml Price on request 675025 2-Isopropyl-6-methyl-4-pyrimidinol, 250mg Price on request