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Sulfo-Cyanine7.5 carboxylic acid

Sulfo-Cyanine7.5 is a water soluble, near infrared fluorescent dye. The structure of the dye is similar to indocyanine green (ICG), but it contains a rigid trimethine linker increasing its fluorescence quantum yield.

This fluorophore is useful for near infrared imaging. Sulfo-Cyanine7.5 carboxylic acid contains a free carboxy group.

General properties

Appearance:	dark green solid
Molecular weight:	1083.41
Molecular formula:	C₄₅H₄₅K₃N₂O₁₄S₄
Solubility:	good in water, DMF, DMSO
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.

Spectral properties

Excitation maximum, nm:	778
ε, L⋅mol⁻¹⋅cm⁻¹:	222000
Emission maximum, nm:	797
CF₂₆₀:	0.09
CF₂₈₀:	0.09

羧酸染料 Carboxylic acid
Cy3羧酸Cyanine3 carboxylic acidFree Cyanine3 carboxylic acid.

Cy3.5羧酸 Cyanine3.5 carboxylic acidUnactivated monofunctional Cy3.5 carboxylic acid.

Cy5羧酸 Cyanine5 carboxylic acidCyanine5 carboxylic acid, unactivated dye.

Cy7羧酸 Cyanine7 carboxylic acidNon-reactive, near-infrared fluorescent dye.

Cy7.5羧酸 Cyanine7.5 carboxylic acidCyanine7.5 - unactivated NIR cyanine dye carboxylic acid.

磺酸基-Cy3羧酸 Sulfo-Cyanine3 carboxylic acidSulfo-Cyanine3 free unactivated monofunctional carboxylic acid, water-soluble dye.

磺酸基-Cy5羧酸 Sulfo-Cyanine5 carboxylic acidWater-soluble Cyanine5 carboxylic acid, non-activated fluorescent dye.

磺酸基-Cy7羧酸 Sulfo-Cyanine7 carboxylic acidSulfo-Cy7 carboxylic acid is a non-reactive fluorescent dye which can be used as a NIR (near infrared) marker.

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