BDP 558/568 maleimide

Cat. # Quantity Price Lead time
A7480 1 mg $125 in stock
B7480 5 mg $260 in stock
C7480 10 mg $325 in stock
D7480 25 mg $510 in stock
E7480 50 mg $895 in stock
F7480 100 mg $1490 in stock
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BDP 558/568 is a fluorophore with a fluorescence maximum at 569 nm (in the yellow spectrum range). This dye has a low Stokes shift, high quantum yield; it is hydrophobic and relatively non-sensitive to pH changes or solvent polarity. By its spectral characteristics, BDP 558/568 is an analog of such fluorophore as Cy3™. BDP 558/568 maleimide can be used for conjugation with peptides, proteins, antibodies, or other molecules that contain free thiol groups (-SH).

Absorption and emission spectra of BDP 558/568

Absorption and emission spectra of BDP 558/568

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General properties

Appearance: dark green powder
Molecular weight: 468.28
Molecular formula: C22H19N4BF2O3S
IUPAC name: 3-(5,5-difluoro-7-(thiophen-2-yl)-5H-5l4,6l4-dipyrrolo[1,2-c:2',1'-f][1,3,2]diazaborinin-3-yl)-N-(2-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)ethyl)propanamide
Solubility: very soluble in DMF, DMSO
Quality control: NMR 1H, HPLC-MS (95%)
Storage conditions: Storage: 12 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: 561
ε, L⋅mol−1⋅cm−1: 84400
Emission maximum, nm: 569
Fluorescence quantum yield: 0.68
CF260: 0.00
CF280: 0.07
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