sulfo-Cyanine7.5 maleimide

Maleimides sulfo-Cyanine7.5 Near infrared (NIR) imaging
Cat. # Quantity Price Lead time
16380 1 mg $115 in stock
26380 5 mg $295 in stock
46380 25 mg $790 in stock
56380 50 mg $889 in stock
66380 100 mg $1385 in stock
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sulfo-Cyanine7.5 is a near infrared fluorophore with absorption and emission ranges around 800 nm. Its spectral properties allow for the efficient leveraging of tissue NIR transparency window. The fluorophore is available as different reactive forms, this one is maleimide for the labeling of SH groups of proteins and peptides. The sulfo- version is highly hydrophilic.

Such labeled biomolecules are useful in biodistribution studies and visualization in intact organisms.

sulfo-Cyanine7.5 maleimide, 66380
sulfo-Cyanine7.5 maleimide, 66380
sulfo-Cyanine7.5 maleimide, 66380
Structure of sulfo-Cyanine7.5 maleimide
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Absorption and emission spectra of sulfo-Cyanine7.5

Absorption and emission spectra of sulfo-Cyanine7.5

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Alkyne maleimide

Maleimide reagent for the attachment of alkyne functional group to proteins, peptides, and other molecules bearing SH (thiol) groups, including cysteine residues.

sulfo-Cyanine5.5 maleimide

sulfo-Cyanine5.5 is a water-soluble far-red emitting dye. This is a thiol-reactive maleimide derivative of sulfo-Cyanine5.5. It is recommended for the labeling of sensitive proteins.

General properties

Appearance: dark colored solid
Mass spec M+ increment: 1090.3
Molecular weight: 1205.52
Molecular formula: C51H51N4K3O15S4
Solubility: good in water, 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: 788
ε, L⋅mol−1⋅cm−1: 222000
Emission maximum, nm: 797
Fluorescence quantum yield: 0.21
CF260: 0.09
CF280: 0.09

Product citations

  1. Sabuncu, S.; Montoya Mira, J.; Quentel, A.; Gomes, M. M.; Civitci, F.; Fischer, J. M.; Yildirim, A. Protein-Coated Biodegradable Gas-Stabilizing Nanoparticles for Cancer Therapy and Diagnosis Using Focused Ultrasound. Advanced Materials Interfaces, 2023, 10(2), 2201543. doi: 10.1002/admi.202201543
Short link - lumiprobe.com/sh/p/51
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