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Reactive CF® Dyes

Our bright, photostable, highly water soluble CF® dyes with a wide selection of colors and functional groups. Learn more about different reactive dye chemistries for bioconjugation.

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    CF® Dye Alkyne

    From: $263 Sizes: 0.5 mgCatalog #: 92086, 92087, 92088, 92089, 92091, 92093, 92095, 96004, 96005, 96006, - 92090View allHide

    CF® dye alkyne reacts with azide to form 1,2,3-triazole by copper(I) catalyzed 1,3-dipolar Huisgen cycloaddition. It can also be used as a monomer to copolymerize with other monomers to form fluorescent polymers.

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    CF® dye alkyne reacts with azide to form 1,2,3-triazole by copper(I) catalyzed 1,3-dipolar Huisgen cycloaddition. It can also be used as a monomer to copolymerize with other monomers to form fluorescent polymers.

     

    CF® Dye Amine

    From: $200 Sizes: 1 mgCatalog #: 92035, 92036, 92037, 92038, 92039, 92040, 92041, 92042, 92043, 92065, 92102, - 96010View allHide

    CF® Dye Amines can be used to conjugate CF® dyes to carboxylic acids groups in biological molecules.

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    CF® Dye Amines can be used to conjugate CF® dyes to carboxylic acids groups in biological molecules.

     

    CF® Dye Aminooxy

    From: $410 Sizes: 1 mgCatalog #: 92050, 92051, 92052, 92053, 92054, 92055, 92056, 92057, 92058, - 92059View allHide

    Aminooxy dyes have an aminooxy reactive group, which can be used to label a target molecule with an aldehyde or ketone group. An aminooxy group readily reacts with an aldehyde or ketone group to form a stable linkage without the use of a reducing agent.

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    Aminooxy dyes have an aminooxy reactive group, which can be used to label a target molecule with an aldehyde or ketone group. An aminooxy group readily reacts with an aldehyde or ketone group to form a stable linkage without the use of a reducing agent.

     

    CF® Dye Azide

    From: $263 Sizes: 0.5 mgCatalog #: 92080, 92081, 92082, 92083, 92084, 92085, 92092, 92094, 92119, 92180, 92181, 92182, - 96000View allHide

    CF® dye azide reacts with alkyne to form 1,2,3-triazole by copper(I) catalyzed 1,3-dipolar Huisgen cycloaddition. It could also undergo Staudinger ligation with a phosphine containing compound.

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    CF® dye azide reacts with alkyne to form 1,2,3-triazole by copper(I) catalyzed 1,3-dipolar Huisgen cycloaddition. It could also undergo Staudinger ligation with a phosphine containing compound.

     

    CF® Dye BCN

    From: $310 Sizes: 0.5 mgCatalog #: 92075, 92076, 92077, 92078, 92079, 92113, 92114, 96026, 96027, 96058, - 96059View allHide

    CF dye with BCN, an alternative to fluorescently labeled DIBO and DBCO,  reacts with azide to form 1,2,3-triazole by copper free 1,3-dipolar Huisgen cycloaddition. This copper free bioorthogonal reaction allows staining the surface of live cells or having concerns about native protein function loss with copper in cell extracts.

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    CF dye with BCN, an alternative to fluorescently labeled DIBO and DBCO,  reacts with azide to form 1,2,3-triazole by copper free 1,3-dipolar Huisgen cycloaddition. This copper free bioorthogonal reaction allows staining the surface of live cells or having concerns about native protein function loss with copper in cell extracts.

     

    CF® Dye Hydrazide

    From: $158 Sizes: 1 mgCatalog #: 92136, 92151, 92152, 92153, 92154, 92156, 92157, 92158, 92183, 92192, 96024, - 96025View allHide

    Our CF® dye hydrazides are bright, extremely water-soluble and nontoxic. These properties make the dyes excellent fixable polar tracers for neurons, or for gap junction studies.

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    Our CF® dye hydrazides are bright, extremely water-soluble and nontoxic. These properties make the dyes excellent fixable polar tracers for neurons, or for gap junction studies.

     

    CF® Dye Maleimide

    From: $184 Sizes: 0.25 umol, 1 umolCatalog #: 92020, 92021, 92022, 92023, 92024, 92025, 92026, 92027, 92028, 92029, 92030, 92031, 92032, 92033, 92034, 92044, 92045, 92046, 92118, 92124, 92128, 96012, 96015, - 96017View allHide

    CF® Dye Maleimides are thiol-reactive fluorescent dyes. Maleimides are commonly used to label proteins on free thiol groups.

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    CF® Dye Maleimides are thiol-reactive fluorescent dyes. Maleimides are commonly used to label proteins on free thiol groups.

     

    CF® Dye Methyltetrazine

    From: $275 Sizes: 1 mgCatalog #: 96028, 96029, 96030, 96031, 96032, 96033, 96034, 96035, 96036, 96037, - 96039View allHide

    CF® dye with methyltetrazine reacts with cyclooctene (TCO, methylcyclopropene) labeled molecule via copper free click chemistry.

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    CF® dye with methyltetrazine reacts with cyclooctene (TCO, methylcyclopropene) labeled molecule via copper free click chemistry.

     

    CF® Dye MTS

    From: $168 Sizes: 1 mgCatalog #: 92096, 92097, 92098, - 92099View allHide

    MTS CF® Dyes have a fast-reacting and highly selective thiol-reactive methanethiosulfonate (MTS) group, that allows CF® dyes to be conjugated to thiols.

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    MTS CF® Dyes have a fast-reacting and highly selective thiol-reactive methanethiosulfonate (MTS) group, that allows CF® dyes to be conjugated to thiols.

     

    CF® Dye Picolyl Azide

    From: $273 Sizes: 0.5 mgCatalog #: 92187, 92188, 92189, 92190, 92191, 96001, 96002, 96003, - 96007View allHide

    CF® dye picolyl azide reacts with alkyne to form 1,2,3-triazole by 1,3-dipolar Huisgen cycloaddition through the use of a much lower copper (I) concentration without sacrificing reaction efficiency. The selected CF® dyes are exceptionally bright and photostable, making them the perfect dye for fluorescence detection.

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    CF® dye picolyl azide reacts with alkyne to form 1,2,3-triazole by 1,3-dipolar Huisgen cycloaddition through the use of a much lower copper (I) concentration without sacrificing reaction efficiency. The selected CF® dyes are exceptionally bright and photostable, making them the perfect dye for fluorescence detection.

     

    CF® Dye Succinimidyl Ester

    From: $147 Sizes: 0.25 umol, 1 umolCatalog #: 92137, 92139, 92142, 92150, 92127, 92130, 92131, 92132, 92133, 92134, 92135, 92155, 92103, 92104, 92105, 92106, 92107, 92108, 92109, 92110, 92111, 92112, 92117, 92123, 96011, 96014, 96016, - 92120View allHide

    CF® Dye Succinimidyl Esters (SE, also known as NHS esters) are amine-reactive fluorescent dyes. SE dyes are commonly used to label antibodies and other proteins on free amine groups, such as lysine residues.

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    CF® Dye Succinimidyl Esters (SE, also known as NHS esters) are amine-reactive fluorescent dyes. SE dyes are commonly used to label antibodies and other proteins on free amine groups, such as lysine residues.

     

    CF® Dye TCO

    From: $275 Sizes: 1 mgCatalog #: 96040, 96041, 96042, 96043, 96044, 96045, 96046, 96047, 96048, 96049, - 96051View allHide

    CF dye with TCO (trans-cyclooctene) reacts with tetrazine labeled molecule via copper free click chemistry.

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    CF dye with TCO (trans-cyclooctene) reacts with tetrazine labeled molecule via copper free click chemistry.

     

    CF® Dye Tyramides

    From: $263 Sizes: 0.5 mgCatalog #: 92170, 92171, 92172, 92173, 92174, 92175, 92194, 92195, 92196, 92197, 92198, 92199, 96021, 96022, 96052, 96053, - 96057View allHide

    CF® dye tyramide conjugates can be used for tyramide signal amplification (TSA)1,2,3, which is an enzyme-mediated detection method that uses horseradish peroxidase (HRP) to generate high-density labeling of a target protein or nucleic acid in situ.

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    CF® dye tyramide conjugates can be used for tyramide signal amplification (TSA)1,2,3, which is an enzyme-mediated detection method that uses horseradish peroxidase (HRP) to generate high-density labeling of a target protein or nucleic acid in situ.