Uracil (2,4-Dihydroxypyrimidine)

Nitrogenous base on RNA nucleosides. Synonyms: 2,4-Dihydroxypyrimidine, 2,4-Dioxopyrimidine, 2,4-Pyrimidinediol, 2,4(1H,3H)-Pyrimidinedione, 2,4-Pyrimidinedione, 4-Hydroxyuracil, Hybar X, NSC 3970, Pirod, Pyrod, CAS No: 66-22-8, Molecular Formula: C?H?N?O?, Molecular Weight: 112.09, Appearance: White to off-white powder, Purity (HPLC): >99%, UV Spectrum (Visible): 7.9 to 8.2 at lambda max 258-260nm at pH 7.0, Loss on Drying: <0.5%, Melting Point: >300ºC, Residue on Ignition: <0.1%, Heavy Metals: <0.001%, Chloride: <0.01%, Sulfate: <0.04%, Solubility: Colorless to faint yellow clear to slightly hazy, solution at 200mg in 4ml of 1M NaOH (Slightly, Heated), Storage and Stability: May be stored at 4°C. Stable for 12 months after receipt.