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BP Fluor 532 maleimide is a photostable, bright yellow fluorescent dye that is not sensitive to pH, emitting light across a range of pH 4 to pH 10. Its excitation is well-suited for second harmonic Nd:YAG laser lines. BP Fluor 532 can bind with various antibodies, peptides, proteins, tracers, and amplification substrates and is commonly used in imaging and flow cytometry to produce stable signals. Maleimide is the most frequently employed thiol-reactive group for linking dyes to thiol groups on proteins, oligonucleotide phosphorothioates, or low-molecular-weight ligands. It reacts with reduced thiols (sulfhydryl, -SH) specifically and efficiently at pH 6.5 to 7.5, forming stable thioether bonds. The resulting conjugates exhibit brighter fluorescence and greater photostability than those of many other spectrally similar fluorophores.

| Pack Size | Price | USA Warehouse | Global Warehouse | Quantity |
|---|---|---|---|---|
| 10 mg | Inquiry | 10-14 weeks | 10-14 weeks | |
| 50 mg | Inquiry | 10-14 weeks | 10-14 weeks |
| Description | BP Fluor 532 maleimide is a photostable, bright yellow fluorescent dye that is not sensitive to pH, emitting light across a range of pH 4 to pH 10. Its excitation is well-suited for second harmonic Nd:YAG laser lines. BP Fluor 532 can bind with various antibodies, peptides, proteins, tracers, and amplification substrates and is commonly used in imaging and flow cytometry to produce stable signals. Maleimide is the most frequently employed thiol-reactive group for linking dyes to thiol groups on proteins, oligonucleotide phosphorothioates, or low-molecular-weight ligands. It reacts with reduced thiols (sulfhydryl, -SH) specifically and efficiently at pH 6.5 to 7.5, forming stable thioether bonds. The resulting conjugates exhibit brighter fluorescence and greater photostability than those of many other spectrally similar fluorophores. |
| Molecular Weight | 790.902 |
| Formula | C39H42N4O10S2 |
| Cas No. | 890928-51-5 |
| Smiles | O=C(NCCCCCN1C(=O)C=CC1=O)C=2C=CC(=CC2)C=3C=4C=C5C(NC(C)C5(C)C)=C(C4[O+]=C6C3C=C7C(NC(C)C7(C)C)=C6S(=O)(=O)O)S(=O)(=O)[O-] |
| Storage | keep away from direct sunlight | Powder: -20°C for 3 years | In solvent: -80°C for 1 year | Shipping with blue ice/Shipping at ambient temperature. |
Dissolve 2 mg of the compound in 100 μL DMSO
to obtain a stock solution at a concentration of 20 mg/mL . If the required concentration exceeds the compound's known solubility, please contact us for technical support before proceeding.
1) Add 100 μL of the DMSO
stock solution to 400 μL PEG300
and mix thoroughly until the solution becomes clear.
2) Add 50 μL Tween 80 and mix well until fully clarified.
3) Add 450 μL Saline,PBS or ddH2O
and mix thoroughly until a homogeneous solution is obtained.
| Size | Quantity | Unit Price | Amount | Operation |
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