Chemical Information Catelog Number: F01-0228 Product Name: BDP 581/591 maleimide CAS Number: 2183473-29-0 Molecular Formula: C28H25BF2N4O3 Molecular Weight: 514.3 Purity: 95% Solubility: DMF, DMSO, DCM Product Specification Excitation Maximum (nm): 585 Emission Maximum (nm): 594 Package: 5 mg/25 mg/50 mg Storage Condition: -20 °CBDP 581/591 maleimide is a linker of the BDP 581/591 dye. It has a long fluorescence lifetime and can be used for fluorescence polarization assays. The maleimide group can react with thiol groups to form thioester bonds between pH 6.5 to 7.5.