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 9999.18 (1S,2S,3S,4R)-rel-1,2,3,4-Tetrahydro-benz[a]anthracene-1,2,3,4-tetrol , , Solvent-, Unit , # of units-, Cas.no. 105886-23-7 Price on request 1941.6-5G N-Methyl-N-(trimethylsilyl)trifluoroacetamide, neat, Solvent-neat, Unit 5g, # of units-1, Cas.no. 24589-78-4 Price on request 72896 1-Bromo-3-chloropropane Price on request