BDP 650/665 maleimide

Cat. # Quantity Price Lead time
18480 1 mg $110.00 in stock
28480 5 mg $210.00 in stock
48480 25 mg $410.00 in stock
58480 50 mg $695.00 in stock
68480 100 mg $1190.00 in stock

BDP 650/665 is a bright, red emitting fluorophore for Cyanine5 (Cy5) channel. The dye has a high molar extinction coefficient, and a good emission quantum yield. The dye is moderately hydrophobic, but can be used to label biomolecules in aqueous environment, so it is a good alternative to Cy5.

Maleimide is a thiol reactive group. The compound can be used for the labeling of cysteine residues of proteins and peptides, among other SH-containing molecules.

Absorption and emission spectra of BDP 650/665

Absorption and emission spectra of BDP 650/665

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General properties

Appearance: dark colored solid
Mass spec M+ increment: 555.2
Molecular weight: 555.34
Molecular formula: C29H24N5BF2O4
Solubility: good in DMF, DMSO, low in water
Quality control: NMR 1H, HPLC-MS (95%)
Storage conditions: Storage: 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.
MSDS: Download
Product specifications

Spectral properties

Excitation/absorption maximum, nm: 649
ε, L⋅mol−1⋅cm−1: 94000
Emission maximum, nm: 667
Fluorescence quantum yield: 0.52
CF260: 0.04
CF280: 0.04
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