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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-D0417
    C.I. Acid orange 3
    C.I. Acid orange 3 is an acidic orange-yellow dye that can be adsorbed and removed by bentone.
    C.I. Acid orange 3
  • HY-DN1132F
    FITC-trehalose
    FITC-trehalose is a fluorescent derivative of Trehalose. Trehalose is a natural α-linked 1,1-glucose disaccharide.
    FITC-trehalose
  • HY-D2551
    Cy5-PEG-FA (MW 5000)
    Cy5-PEG-FA (MW 5000) is a fluorescently labeled biomolecule consisting of Cy5 (HY-D0821) fluorescent dye, polyethylene glycol (PEG), and Folic acid (FA) (HY-16637). Cy5 is commonly used in applications such as immunolabeling and nucleic acid labeling. The maximum emission wavelength of Cy5 is approximately 670 nm.
    Cy5-PEG-FA (MW 5000)
  • HY-D0583
    Disperse blue 291
    Disperse blue 291 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.
    Disperse blue 291
  • HY-D0673
    Disperse red 311
    Disperse red 311 is a red dye derived from anthraquinone. It is used in plastics, textiles and cosmetics.
    Disperse red 311
  • HY-D1569
    CellTracker Orange CMRA Dye
    CellTracker Orange CMRA Dye is a fluorescent dye. CellTracker Orange CMRA Dye can be used for cell imaging and monitoring the movement and location of cells.
    CellTracker Orange CMRA Dye
  • HY-D0460
    C.I. Pigment red 48
    C.I. Pigment red 48 is the most important colorant used to add color or change the color of something and is chemically essentially unaffected by the carrier or medium into which it is incorporated. It can be widely used in textile, medicine, food, cosmetics, plastics, paint, ink, photography and paper industries.
    C.I. Pigment red 48
  • HY-W800838
    BP Fluor 488 Tetrazine
    BP Fluor 488 Tetrazine is a bright, green-fluorescent probe used for detection TCO-tagged biopolymers. BP Fluor 488 Tetrazine demonstrates exceptionally fast cycloaddition kinetics (up to 30 000 M-1 s-1) with trans-cyclooctenes (TCO) as the dienophile, the fastest kinetics ever reported for any bioorthogonal reaction. In applications such as in vivo cancer imaging or pre?targeted cell labeling studies where rapid reaction kinetics is a must BP Fluor 488 Tetrazine probe would of great value.
    BP Fluor 488 Tetrazine
  • HY-172174A
    Red Fluorescent PLGA nanoparticles, 200nm
    Red Fluorescent PLGA nanoparticles, 200nm is a nanoparticle made from the polymer PLGA and labeled with a red fluorescent dye. Red Fluorescent PLGA nanoparticles, 200nm can be used for drug delivery and for tracing.
    Red Fluorescent PLGA nanoparticles, 200nm
  • HY-D1340
    Sulfo-Cyanine7 maleimide potassium
    Sulfo-Cyanine7 maleimide potassium is an analogue of Cy7 maleimide and a hydrophilic near-infrared fluorescent dye.
    Sulfo-Cyanine7 maleimide potassium
  • HY-D1283
    Mordant red 19
    Mordant red 19 is an azo dye commonly used for dyeing textiles.
    Mordant red 19
  • HY-119987R
    Sudan orange G (Standard)
    Sudan orange G (Standard) is the analytical standard of Sudan orange G. This product is intended for research and analytical applications. Sudan orange G is an azo dye. Sudan orange G, after enzymatic oxidation, generates oligomers and even polymers through free radical coupling reactions.
    Sudan orange G (Standard)
  • HY-107967R
    Isosulfan blue (Standard)
    Isosulfan blue (Standard) is the analytical standard of Isosulfan blue. This product is intended for research and analytical applications. Isosulfan blue is a blue dye for the identification of lymph vessels during lymphangiography. Isosulfan blueis is used during sentinel lymph node biopsies in breast cancer. Isosulfan blue is possible to have an allergic reaction during breast cancer operations.
    Isosulfan blue (Standard)
  • HY-D2747
    BP Fluor 405 acid
    BP Fluor 405 acid is a water-soluble, blue-fluorescent dye that is often used in multi-color applications, including flow cytometry and super-resolution microscopy using STORM. Its excitation is ideally suited for the 407 nm spectral line of the krypton laser or the 408 nm violet laser diode. BP Fluor 405 conjugates are pH-insensitive from pH 4 to pH 10. The carboxylic acid of BP Fluor 405 is a reagent of choice for the preparation of custom activated esters that often are not commercially available. Examples of such activated esters include sulfo-NHS, TFP (2,3,5,6-Tetrafluorophenol), and STP (4-Sulfo-2,3,5,6-Tetrafluorophenol, Sodium Salt). Another common application for the non-activated carboxylic acid is peptide modification during solid phase synthesis, which usually requires in-situ activation with peptide coupling regents, e.g. HATU. BP Fluor 405 acid is also often used for control experiments, and for calibration.
    BP Fluor 405 acid
  • HY-B0171R
    Antipyrine (Standard)
    Antipyrine (Standard) is the analytical standard of Antipyrine. This product is intended for research and analytical applications. Antipyrine (Phenazone) is an antipyretic and analgesic. Antipyrine can be used as a probe agent for oxidative agent metabolism. Antipyrine has been widely used in assessment of hepatic oxidative capacity.
    Antipyrine (Standard)
  • HY-W020211
    Benzo Red Violet 4B
    Benzopurpurine 4B is a dis-azo dye. Benzopurpurine 4B Can be used as biological stain.
    Benzo Red Violet 4B
  • HY-D0495
    C.I. Acid brown 83
    C.I. Acid brown 83 is an acidic brown dye that can be adsorbed and removed by bentone clay.
    C.I. Acid brown 83
  • HY-D2743
    ROX alkyne, 6-isomer
    ROX alkyne, 6-isomer is an alkyne derivative of the bright red-emitting dye ROX (Rhodamine X, Rhodamine 101). Due to its quantum yield approaching unity, ROX is a popular dye for qPCR and microscopy applications. It is used for fluorescent labeling of azide-containing biomolecules via copper-catalyzed click reaction.
    ROX alkyne, 6-isomer
  • HY-D1371
    BDP TR amine hydrochloride
    BDP TR amine hydrochlorideis one of a class of boron diindolyl methylene (BDI) dyes suitable for TAMRA channels. Commonly used for oligonucleotide labeling and amino acid sequencing.
    BDP TR amine hydrochloride
  • HY-Y0016R
    Rhodamine B (Standard)
    Rhodamine B (Standard) is the analytical standard of Rhodamine B. This product is intended for research and analytical applications. Rhodamine B is a staining fluorescent dye, commonly used for dyeing textiles, paper, soap, leather, and agents.
    Rhodamine B (Standard)
Cat. No. Product Name / Synonyms Application Reactivity