Disulfo-Cy3-carboxylic acid

Disulfo-Cy3-carboxylic acid is a water-soluble fluorescent dye with absorbance and emission spectra that match the Cy3 fluorophore. It contains an unactivated carboxylic acid group that can be used for conjugation.

CAS: 1121756-11-3  |  Molecular formula: C30H35N2NaO8S2

Its combination of water solubility, Cy3 spectral characteristics, and carboxylic acid functionality makes it useful in fluorescence and conjugation workflows requiring a water-soluble Cy3 dye.

Key Properties

• Water-soluble fluorescent dye
• Absorbance and emission spectra match the Cy3 fluorophore
• Contains an unactivated carboxylic acid group
• Carboxylic acid functionality can be used for conjugation
• CAS: 1121756-11-3
• Molecular formula: C30H35N2NaO8S2
• Catalog number: 14521
• Package size: 5 mg

Applications

Fluorescent Conjugation

The unactivated carboxylic acid group can be used for conjugation in fluorescence-labeling workflows.

Cy3 Fluorescence Workflows

Disulfo-Cy3-carboxylic acid has absorbance and emission spectra that match the Cy3 fluorophore and provides Cy3 spectral characteristics in a water-soluble dye.

Solubility & Conjugation Considerations

• Water soluble
• Contains an unactivated carboxylic acid group
• Carboxylic acid functionality can be used for conjugation
• Absorbance and emission spectra correspond to the Cy3 fluorophore

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Safety & Documentation

Use appropriate laboratory handling practices. Refer to the Safety Data Sheet (SDS) for complete handling, storage, and safety information.