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Product Line: Life Science

6-Aminofluorescein

CAS 51649-83-3

Molecular structure of 6-Aminofluorescein

CAS · 51649-83-3

01

Product Overview

6-Aminofluorescein is a high-purity fluorescein supplied for industrial and specialty chemical applications. Contact our team for specifications, packaging options and lead times.

02

Product Specifications

Appearance: Yellow powder
Purity (HPLC): 95% min
Absorption Spectrum: Stated
Fluorescence Spectrum: Stated
Identity: Correct wavelengths of absorbance and fluorescence peaks
03

Applications

1. Fluorescent Labeling and Bioconjugation

The amino group allows covalent attachment to molecules containing activated esters or carboxyl groups, such as proteins, peptides, and nucleic acids.

Used to prepare fluorescent conjugates for cell imaging, flow cytometry, and fluorescence microscopy.

2. Fluorescent Probes and Sensors

Incorporated into fluorescent sensors for detection of metal ions, pH changes, or enzymatic activity.

Used in biosensors where fluorescence intensity changes report analyte presence.

3. Surface and Material Functionalization

Immobilized onto surfaces, polymers, nanoparticles, or hydrogels for creating fluorescent materials used in diagnostics or imaging.

4. Analytical Chemistry

Used in fluorescence-based assays for sensitive detection of biomolecules.

Applicable in enzyme activity assays and binding studies.

04

Benefits

1. Reactive Amino Group

The amino group enables flexible and specific chemical conjugation under mild conditions.

Facilitates the creation of stable fluorescent conjugates.

2. Strong Fluorescence

Emits bright green fluorescence with high quantum yield, suitable for sensitive detection.

3. Water Solubility and Biocompatibility

Soluble in aqueous buffers and compatible with biological environments.

Generally low toxicity at working concentrations.

4. Photostability

Good photostability allows for prolonged imaging and analysis.

05

Conclusion

6-Aminofluorescein (CAS 51649-83-3) is a valuable fluorescent dye derivative combining the bright fluorescence of fluorescein with a reactive amino group at the 6-position. This enables its widespread use in bioconjugation, fluorescent sensing, materials functionalization, and analytical assays, making it a versatile tool in biomedical research, diagnostics, and fluorescence imaging.

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