Benzoxazines
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AdipoGen FQCA
Chemical. CAS 126769-01-5. Formula C15H9NO3. MW 251.24. Synthetic. 3-2-Furoylquinoline-2-carboxaldehyde FQCA is a fluorogenic derivatizing reagent for liquid chromatography suitable for high-sensitivity analysis of amino acids by laser-induced fluorescence with an argon-ion laser. The reagent forms highly fluorescent isoindoles upon reaction with primary amines. It is used for the determination of isoelectronic points pI values of proteins with laser-induced fluorescence detection c-IEF-LIF. C-IEF-LIF technique can routinely detect 10-11 M of FQCA-labeled protein, compared with 10-7 M by traditional slab gel IEF and silver staining.
