sulfo-Cyanine7.5 dimethyl

Cat. # Quantity Price Lead time
1243-25mg 25 mg –   in stock
1243-100mg 100 mg $500 in stock
1243-500mg 500 mg $1400 in stock
1243-1g 1 g please inquire in stock
1243-5g 5 g please inquire in stock
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sulfo-Cyanine7.5 dimethyl is a non-functionalized, water-soluble cyanine dye with bright near-infrared fluorescence. The dye possesses an extremely high molar absorption coefficient, making it a useful near infrared label for technical applications.

Absorption and emission spectra of sulfo-Cyanine7.5

Absorption and emission spectra of sulfo-Cyanine7.5

General properties

Appearance: green powder
Molecular weight: 983.30
Molecular formula: C40H37K3N2O12S4
Solubility: good in water, DMF, DMSO, low in most organic solvents
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: 778
ε, L⋅mol−1⋅cm−1: 222000
Emission maximum, nm: 797
Fluorescence quantum yield: 0.21
CF260: 0.09
CF280: 0.09
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