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      Alexa Fluor™ 488 5-TFP (Alexa Fluor™ 488 Carboxylic Acid, 2,3,5,6-Tetrafluorophenyl Ester), 5-isomer

      Alexa Fluor™ 488 5-TFP (Alexa Fluor™ 488 Carboxylic Acid, 2,3,5,6-Tetrafluorophenyl Ester), 5-isomer

      Catalog number: A30005

      Invitrogen™  Related applications: Labeling Chemistry | Protein Labeling & Crosslinking

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      Description

      Tetrafluorophenyl (TFP) esters are an improvement over the succinimidyl ester (SE or NHS-ester) chemistry typically used to attach fluorophores or haptens to the primary amines of biomolecules. Both reactive chemistries produce the same strong amide bond between the dye or hapten and the compound of interest, but TFP esters are less susceptible to spontaneous hydrolysis during conjugation reactions. Alexa Fluor TFP esters are stable for several hours at the basic pH typically used for reactions – far outlasting succinimidyl esters.
      For Research Use Only. Not for use in diagnostic procedures.

      Specifications

      Label or Dye: Alexa Fluor™ 488
      Chemical Reactivity: Amine
      Product Line: Alexa Fluor™
      Product Size: 1 mg
      Shipping Condition: Room Temperature

      Contents & storage

      Store in freezer (-5 to -30°C) and protect from light.

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