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Chemical Information Catelog Number: F01-0017 Product Name: BDP R6G maleimide CAS Number: 2183473-32-5 Molecular Formula: C24H21N4BF2O3 Molecular Weight: 462.26 Purity: NMR 1H, HPLC-MS (95%) Solubility: good in DMF, DMSO, DCM Product Specification Appearance: red or brown solid Fluorescence quantum Yield: 0.96 Storage Conditions: 24 months after receival at -20°C in the dark. Transportation: at room temperature for up to 3 weeks. Avoid prolonged exposure to light. Desiccate. Excitation Maximum (nm): 530 Emission Maximum (nm): 548BDP R6G is a borondipyrromethene fluorophore whose absorption and emission spectra match those of rhodamine 6G (R6G) dye. Thiol labeling is often an option of choice for the modification of proteins. Limited number of cysteine residues in proteins allow for more site-specific labeling than NHS ester labeling of amine groups, which are encountered in large number in many proteins. This maleimide is a thiol reactive dye. Please refer to our recommended labeling protocol to achieve modification of your protein with this reagent.