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  4. Fluorescent Dye

Fluorescent Dye

Fluorescence is a phenomenon of photoluminescence in luminescence. When an atom is irradiated by light, some electrons around the nucleus jump from their original orbitals to higher energy orbitals under the influence of light energy, i.e., from the ground state to the first or second excited single-line state, etc. Due to the instability of the first or second excited singlet state, the electron returns from the excited singlet state to the ground state accompanied by released energy, resulting in fluorescence.

Fluorescent dyes can be covalently bound or physically adsorbed in the structure of the substance. The fluorescence properties allow for the characterization, localization and quantitative analysis of the labeled object. Fluorescent dyes have shown great potential for the detection of proteins, nucleic acids, cells, and immunoassays, attributed to the advantages in non-radioactive contamination, simple experimental operation and easy observation.

Fluorescent dyes have penetrated many fields such as pharmacology, physiology, environmental science, and information science, as well as functional studies of proteins and drug screening.

Cat. No. Product Name Effect Purity Chemical Structure
  • HY-D0375
    Pigment Yellow 17
    Pigment Yellow 17 is a disazomethine dye with solid-state fluorescence.a biologically active chemical.
    Pigment Yellow 17
  • HY-D0101
    Fluorescein-diphosphat diammonium
    Fluorescein-diphosphat (diammonium) is a colorimetric probe formed by the reaction of adipic acid dihydrazide and fluorescein isothiocyanate.
    Fluorescein-diphosphat diammonium
  • HY-D2546
    Cy5-PEG-biotin (MW 2000)
    Cy5-PEG-biotin (MW 2000) is a polyethylene glycol derivative containing Cy5 (HY-D0821) fluorescent dye and polyethylene glycol (PEG) and a Biotin. Biotin can bind with high affinity to streptavidin or avidin. Cy5-PEG-biotin (MW 2000) plays an important role in the specific capture and detection of biomolecules.
    Cy5-PEG-biotin (MW 2000)
  • HY-149765
    Bone-1064
    Bone-1064 is a EuK-based PSMA tetramer bone probe for high-contrast visualization of bone in surrounding tissue. Bone-1064 specifically binds hydroxyapatite in bone tissue and can be used for NIR-II fluorescence imaging in animal models.
    Bone-1064
  • HY-D0572
    Acid red 260
    Acid red 260 is a multifunctional dye. Dyes are important tools in biological experiments. They can help researchers observe and analyze cell structures, track biomolecules, evaluate cell functions, distinguish cell types, detect biomolecules, study tissue pathology and monitor microorganisms. Their applications range from basic scientific research to clinical A wide range of diagnostics. Dyes are also widely used in traditional fields such as textile dyeing, as well as in emerging fields such as functional textile processing, food pigments and dye-sensitized solar cells.
    Acid red 260
  • HY-D0337
    Pigment Red 4
    Pigment Red 4 is a commonly used commercial dye for bulk coloring of plastics and synthetic fibers and for surface coatings such as paints and inks.
    Pigment Red 4
  • HY-W344938
    C.I. Acid yellow 3
    C.I. Acid yellow 3 is an anionic quinolinone dye that is commonly used as a food additive, but also in the cosmetic and pharmaceutical industries.
    C.I. Acid yellow 3
  • HY-D0528
    Disperse brown 1
    Disperse brown 1 is a brown dye commonly used for fiber dyeing.
    Disperse brown 1
  • HY-D0436
    C.I. Direct black 32
    C.I. Direct black 32 is a good dyeing agent for cotton fabrics.
    C.I. Direct black 32
  • HY-D1335
    TAMRA amine, 5-isomer
    TAMRA amine, 5-isomer is an isomer of TAMRA, a xanthene dye with orange emission.
    TAMRA amine, 5-isomer
  • HY-D2252
    Disulfo-ICG amine
    Disulfo-ICG amine is a fluorescent dye.
    Disulfo-ICG amine
  • HY-D2759
    Cyanine3B azide
    Cyanine3B azide for click chemistry conjugation with terminal alkynes via a copper-catalyzed click reaction or strained cyclooctynes via a copper-free click reaction. Cyanine3B is a yellow-emitting cyanine dye that is an improved version of the Cyanine3 fluorophore with significantly higher fluorescence quantum yield and photostability. Due to the fixed conformation, Cyanine3B has the highest emission quantum yield compared to other dyes of this wavelength. This is a non-sulfonated dye that requires an organic co-solvent (DMF, DMSO, or other) for efficient labeling in water.
    Cyanine3B azide
  • HY-134360A
    ATP-1-Aminonaphthalene-5-sulfonate sodium
    ATP-1-Aminonaphthalene-5-sulfonate ((y-AmNS)-ATP) sodium is a fluorescent analog of ATP (HY-B2176). ATP-1-Aminonaphthalene-5-sulfonate is a substrate for DNA-dependent RNA polymerase and valyl t-RNA synthetase (Ex/Em = 320/460 nm).
    ATP-1-Aminonaphthalene-5-sulfonate sodium
  • HY-W848699
    FAM NHS ester, 6-isomer
    FAM NHS ester, 6-isomer is a hydrophilic fluorophore. The NHS ester can react specifically and efficiently with primary amines such as the side chain of lysine residue or aminosilane-coated surfaces at neutral or slight basic conditions to form a covalent bond.
    FAM NHS ester, 6-isomer
  • HY-D0303AR
    Chrysoidine G (Standard)
    Chrysoidine G (Standard) is the analytical standard of Chrysoidine G. This product is intended for research and analytical applications. Chrysoidine G (Solvent Orange 3 hydrochloride) is an industrial azoic dye (cationic dye). Chrysoidine G (Solvent Orange 3 hydrochloride) is used for the construction of most textile dyestuffs and also in synthetic industrial compounds. Chrysoidine G (Solvent Orange 3 hydrochloride) concentration can be determined by UV-Vis spectroscopy.
    Chrysoidine G (Standard)
  • HY-114541
    Coumarin-7-pinacolboronate
    Coumarin-7-pinacolboronate is a fluorescent probe. Taking hydrogen peroxide for instance, Coumarin-7-pinacolboronate and HOO- undergo a nucleophilic reaction to produce INT1. The chemical reaction mechanisms are nearly identical for the reactions of Coumarin-7-pinacolboronate with hydrogen peroxide, hypochlorous acid, peroxynitrite, and tyrosine hydroperoxide, respectively.
    Coumarin-7-pinacolboronate
  • HY-D1216
    Solvent Yellow 98
    Solvent Yellow 98 is a yellow dye. Its series of products, such as Solvent orange 60 (HY-D1177), has been used in dyeing applications of plastic materials.
    Solvent Yellow 98
  • HY-D0667
    Disperse yellow 211
    Disperse yellow 211 is a yellow dye commonly used for fiber dyeing.
    Disperse yellow 211
  • HY-W800680
    BP Fluor 488 DBCO
    BP Fluor 488 DBCO is a popular labeling dye used in copper-free Click Chemistry reactions. It will react with the azide group in antibody, proteins, peptides, amino-modified oligos, and other target molecules. The dye has an excitation peak at 499 nm and an emission peak at 520 nm. The conjugates are widely used in microscopy, flow cytometry, and other applications. BP Fluor 488 is a pure 5-sulfonated rhodamine molecule and it eliminates the lot-to-lot variation caused by two isomers ratio differences.
    BP Fluor 488 DBCO
  • HY-D0480
    C.I. Acid black 60
    C.I. Acid black 60 is an acidic black dye that can be adsorbed and removed by bentone.
    C.I. Acid black 60
Cat. No. Product Name / Synonyms Application Reactivity