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Inhibitors & Agonists


Screening Libraries


Dye Reagents


Biochemical Assay Reagents






Isotope-Labeled Compounds

Cat. No. Product Name Type
  • HY-D0059
    4-(4,5-Diphenyl-1H-imidazol-2-yl)benzoyl chloride


    Fluorescent Dyes/Probes
    4-(4,5-Diphenyl-1H-imidazol-2-yl)benzoyl chloride (DIB-Cl) is a fluorescent labeling reagent. 4-(4,5-Diphenyl-1H-imidazol-2-yl)benzoyl chloride can be used for labeling amines and successfully being applied to determine stimulant amines by HPLC.
  • HY-D1469
    5-Carboxyrhodamine 6G succinimidyl ester


    Fluorescent Dyes/Probes
    5-Carboxyrhodamine 6G succinimidyl ester (R6G-SE) is an amine reactive fluorescent dye.
  • HY-D0785


    Fluorescent Dyes/Probes
    NBD-F (4-Fluoro-7-nitrobenzofurazan) is a pro-fluorescent reagent which is developed for amino acid analysis. NBD-F reacts with primary or secondary amines to produce a fluorescent product and used for analysis of amino acids and low molecular weight amines.
  • HY-D1109
    5(6)-SFX ,SE

    Fluorescent Dyes/Probes
    5(6)-SFX ,SE (Compound SFX-SE) is a fluorescent dye for labeling primary amines and nascent proteins.
  • HY-D1112
    TFAX 546,SE triethylammonium

    Fluorescent Dyes/Probes
    TFAX 546,SE triethylammonium, an amine reactive yellow fluorescent dye, can forms bright and photostable conjugates with proteins and antibodies.
  • HY-15938
    5-FAM SE

    Fluorescent Dyes/Probes
    5-FAM SE is a single isomer, is a fluorescent labeling reagent used for labeling peptides, proteins and nucleotides. 5-FAM SE can react with amines and can yield stable amine conjugates.
  • HY-111377

    Chromogenic Assays
    Amine-PEG3-Biotin is a signal amplification label containing a biotin group and a terminal primary amine group.
  • HY-15937
    5(6)-FAM SE

    5(6)-Carboxyfluorescein N-hydroxysuccinimide ester; 5(6)-Carboxyfluorescein succinimidyl ester mixed isomers

    Fluorescent Dyes/Probes
    5(6)-FAM SE is an amine-reactive green fluorescent dye widely used for labeling proteins or other molecules that contain a primary or secondary aliphatic amine.
  • HY-D1049
    DNP-X acid

    6-((2,4-Dinitrophenyl)amino)hexanoic acid

    Fluorescent Dyes/Probes
    DNP-X acid (6-((2,4-Dinitrophenyl)amino)hexanoic acid), an amine-reactive building block for developing a probe, can be recognized by anti-DNP antibodies. DNP-X acid is also an excellent amine-reactive FRET quencher paired with Trp or Tyr.
  • HY-D0715

    Ro 20-7234

    Protein Labeling
    Fluorescamine( Ro 20-7234) is a spiro compound that is not fluorescent itself, but reacts with primary amines to form highly fluorescent products.
  • HY-D1496
    Fluorescent Red Mega 485 NHS-ester

    Fluorescent Dyes/Probes
    Fluorescent Red Mega 485 NHS-ester is an amine conjugating fluorescent biolabel that can be used to label proteins.
  • HY-D0135
    12-(7-Nitrobenzofurazan-4-ylamino)dodecanoic acid

    Fluorescent Dyes/Probes
    12-(7-Nitrobenzofurazan-4-ylamino)dodecanoic acid is an amine-reactive fluorescent dye.
  • HY-D1050
    DNP-X, SE

    6-(2,4-Dinitrophenyl)aminohexanoic acid, succinimidyl ester

    Fluorescent Dyes/Probes
    DNP-X, SE (6-(2,4-Dinitrophenyl)aminohexanoic acid, succinimidyl ester), the DNP-X acid modified by succinimidyl ester, is an amine-reactive building block for developing a probe, which can be recognized by anti-DNP antibodies. DNP-X, SE (6-(2,4-Dinitrophenyl)aminohexanoic acid, succinimidyl ester) is also an excellent amine-reactive FRET quencher paired with Trp or Tyr.
  • HY-D1089
    6-JOE, SE

    Fluorescent Dyes/Probes
    6-JOE, SE is an amine-reactive fluorescent probe and is suitable for postsynthetic labeling of amino-modified oligonucleotides.
  • HY-66021


    Oligonucleotide Labeling
    6-FAM (6-Carboxyfluorescein) contains a carboxylic acid that can be used to react with primary amines via carbodiimide activation of the carboxylic acid.
  • HY-D0017
    Dansyl chloride


    Protein Labeling
    Dansyl chloride is a reagent that reacts with primary amino groups in both aliphatic and aromatic amines to produce stable blue- or blue-green-fluorescent sulfonamide adducts.
  • HY-D0099

    Fluorescent Dyes/Probes
    Fluorescein-5-thiosemicarbazide is a amine containing fluorescent probe that can be used for labeling saccharides and protein carbonyl derivatives.
  • HY-D0068
    DEAC, SE

    7-Diethylaminocoumarin-3-carboxylic acid, SE

    Fluorescent Dyes/Probes
    DEAC, SE (7-Diethylaminocoumarin-3-carboxylic acid, SE) is an excellent blue fluorescent building block for labeling amine-containing biomolecules.
  • HY-D0723
    5(6)-TAMRA SE

    5(6)-Carboxytetramethylrhodamine N-succinimidyl ester

    Oligonucleotide Labeling
    5(6)-TAMRA SE is the amine-reactive, mixed isomer form of TAMRA, which is a dye for oligonucleotide labeling and automated DNA sequencing applications.
  • HY-D1041

    ICG NHS ester

    Fluorescent Dyes/Probes
    ICG-OSu (ICG NHS ester), a near-infrared fluorescent agent, is amine-reactive and has been widely used to design in vivo imaging probes.
  • HY-101890
    Dabsyl chloride


    Protein Labeling
    Dabsyl chloride is an amine derivatizing agent, able to give rise to stable products that can be easily monitored spectrophotometrically at 460 nm; Dabsyl chloride also used for labeling amino acids.
  • HY-66019

    Fluorescein 5-isothiocyanate

    Fluorescent Dyes/Probes
    FITC (Fluorescein 5-isothiocyanate) is a fluorescence probe for the labeling of amines. FITC is a pH- and Cu 2+-sensitive fluorescence dye.
  • HY-D0026
    7-Amino-4-methyl-3-coumarinacetic acid N-succinimidyl ester

    Fluorescent Dyes/Probes
    7-Amino-4-methyl-3-coumarinacetic acid N-succinimidyl ester is a bioReagent, suitable for fluorescence, can be used for amine-reactive labeling.
  • HY-D0048

    5-TAMRA-NHS ester; 5-Carboxytetramethylrhodamine succinimidyl ester

    Fluorescent Dyes/Probes
    5-TAMRA-SE is an amine-reactive fluorescent agent, its conjugates yield bright, pH-insensitive orange-red fluorescence (approximate excitation/emission maxima ~546/579) with good photostability.
  • HY-D0029

    5(6)-AFM; Fluoresceinamine mixed isomers

    Fluorescent Dyes/Probes
    5(6)-Aminofluorescein (5(6)-AFM) is a a precursor for synthesis of 5(6)-FITC (HY-15941). 5(6)-FITC is an amine-reactive derivative of fluorescein dye.
  • HY-15944


    Fluorescent Dyes/Probes
    5(6)-TAMRA contains a carboxylic acid that can be used to react with primary amines via carbodiimide activation of the carboxylic acid; bright, orange-fluorescent dye produces conjugates with absorption/emission maxima of ~555/580 nm.
  • HY-111496
    Sulfo-NHS-SS-Biotin sodium

    Sulfo-NHS-SS-biotin is a long-chain cleavable and cell-impermeant amine-reactive biotinylation reagent. Sulfo-NHS-SS-biotin can be used for the labeling and purifying of cell-surface protein.
  • HY-D0722

    5-(6)-Carboxyfluorescein diacetate; CFDA

    Fluorescent Dyes/Probes
    5(6)-CFDA (5-(6)-Carboxyfluorescein diacetate) is a cell-permeant, amine-reactive green fluorescent probe used to stain cells for analysis in applications. (λex: 492 nm; λem: 517 nm).
  • HY-D0049

    6-TAMRA-NHS ester; 6-Carboxytetramethylrhodamine N-succinimidyl ester

    Oligonucleotide Labeling
    6-TAMRA-SE (6-TAMRA-NHS ester) is a fluorescent dye carrying the amine reactive group. 6-TAMRA-SE is one of the traditional fluorophores used for automated DNA sequencing.
  • HY-15941

    Fluorescein 5(6)-isothiocyanate; Fluorescein isothiocyanate 5- and 6- isomers

    Fluorescent Dyes/Probes
    5(6)-FITC (Fluorescein 5(6)-isothiocyanate) is an amine-reactive derivative of fluorescein dye that has wide-ranging applications as a label for antibodies and other probes, for use in fluorescence microscopy, flow cytometry and immunofluorescence-based assays such as Western blotting and ELISA.
  • HY-110257
    BDY FL-X, SE

    Fluorescent Dyes/Probes
    BODIPY FL-X,SE is a fluorescent green dye for the labeling of amine, shows a high fluorescence quantum yield and is relatively insensitive to pH change. BODIPY FL-X,SE can be used as an alternative for FAM, Cy2 or FITC. λabs: 504 nm; λem:510 nm.
  • HY-15940

    5(6)-FAM; 5-(and-6)-Carboxyfluorescein mixed isomers

    Fluorescent Dyes/Probes
    5(6)-Carboxyfluorescein (5(6)-FAM) is an amine-reactive pH-sensitive green fluorescent probe. 5(6)-Carboxyfluorescein (5(6)-FAM) can be used to label proteins, peptides and nucleotides. 5(6)-Carboxyfluorescein can be used for the detection of tumour areas in vivo.
  • HY-131025
    Janelia Fluor® 585, SE

    JF585, SE; JF585, NHS

    Fluorescent Dyes/Probes
    Janelia Fluor® 585, SE (JF585, SE) is an orange fluorescent dye containing an NHS ester that can be conjugated with primary amine groups. Janelia Fluor® 585, SE can be used immediately for structured illumination (SIM) and stimulated emission depletion (STED) imaging and could be converted to photoactivatable derivative for single-molecule localization microscopy (SMLM) experiments. Janelia Fluor® products are licensed under U.S. Pat. Nos. 9,933,417, 10,018,624 and 10,161,932 and other patents from Howard Hughes Medical Institute.