6,7-Dimethylribityl Lumazine

6,7-Dimethyl-8-ribityllumazine serves as a fluorophore in Lumazine proteins (LumP) of luminescent bacteria. Appearance Supplied as a dark yellow solid, Purity: ?90%, Melting Point: >160ºC (dec.), Solubility: DMSO, Water, Method for Determining Identity: Proton NMR (DMSO-d6) Spectroscopic and Mass Spectrometric Analysis, TLC Conditions: C18, Water = 100%, Visualized with UV and Naked eye, Rf = 0.40, Specific Rotation: +150.9º (c=0.11, Water, 16 hours), Storage and Stability: May be stored at RT for short-term only. Long-term storage is recommended at -20°C. For maximum recovery of product, centrifuge the original vial prior to removing the cap. Hygroscopic and light sensitive. Store in amber vial under inert atmosphere.