Cyanine3 maleimide

- Catelog Number: F02-0004
- Category: Cyanine3
Thiol mono-reactive Cyanine3 dye. This reagent can be used to attach Cyanine3 fluorophore (an analog of Cy3®) to proteins and peptides containing cysteine residues, as well as to other thiolated molecules (such as thiol-containing oligonucleotides).Cystines should be reduced with TCEP (tris-carboxyethylphosphine) or other appropriate reductant prior to the labeling.Labeling with Cyanine3 maleimide is selective, and efficient.
Chemical Information | |
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Catelog Number: | F02-0004 |
Product Name: | Cyanine3 maleimide |
Molecular Formula: | C36H43N4O3BF4 |
Molecular Weight: | 666.56 |
Purity: | NMR 1H, HPLC-MS (95%) |
Solubility: | well soluble in DMSO (0.50 M = 330 g/L), in DMF, dichloromethane, very poorly soluble in water (0.57 mM = 420 mg/L) |
Related CAS: | 1593644-29-1 (without anion) |
Product Specification | |
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Appearance: | red powder |
ε, L⋅mol-1⋅cm-1: | 150000 |
Fluorescence quantum Yield: | 0.31 |
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): | 555 |
Emission Maximum (nm): | 570 |
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