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    5(6)-Aminofluorescein (Mixture of isomers)

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      5(6)-Aminofluorescein (Mixture of isomers)

      SKU
      A0039

      Category: Fluorescent Detection

      27599-63-9
      CAS-Number
      C20H13NO5
      Molecular Formula
      347.32
      Molecular Weight

      • Product Data
      • Handling
      • Safety Information
      • Details

      Specifications

      Purity
      ≥95% (HPLC)
      Appearance
      Yellow to orange powder
      Identity
      1H-NMR

      Properties

      Fluorescence
      λex 234 nm in acetonitrile (amine adducts), λex 381 nm, λem 470 nm (Do not confuse with fluorescamine.)
      Solvents
      acetone or methanol

      Downloads

      Safety Data Sheet
      CDX A0039 MSDS.pdf
      Short Term Storage
      +4°C
      Use / Stability
      Stable for at least 2 years after receipt when stored at -20°C.
      Handling Advice
      Protect from light and moisture.
      Long Term Storage
      -20°C
      Shipping
      AMBIENT
      Transportation
      Not dangerous goods
      Description
      Two isomers are produced by the usual synthesis. Most publications imply they are interchangeable when used for the preparation of the isothiocyanate for fluorescent labeling.
      InChi
      InChI=1S/C20H13NO5/c21-10-1-4-14-13(7-10)19(24)26-20(14)15-5-2-11(22)8-17(15)25-18-9-12(23)3-6-16(18)20/h1-9,22-23H,21H2
      InChi Key
      GZAJOEGTZDUSKS-UHFFFAOYSA-N
      Smiles
      NC1=CC2=C(C=C1)C1(OC2=O)C2=C(OC3=C1C=CC(O)=C3)C=C(O)C=C2

      Two isomers are produced by the usual synthesis. Most publications imply they are interchangeable when used for the preparation of the isothiocyanate for fluorescent labeling.

      SKU: A0039 Category: Fluorescent Detection
      • Additional information

      Additional information

      Purity

      ≥95% (HPLC)

      Appearance

      Yellow to orange powder

      CAS-Number

      27599-63-9

      Molecular Formula

      C20H13NO5

      Molecular Weight

      347.32

      Identity

      1H-NMR

      Solvents

      acetone or methanol

      Fluorescence

      λex 234 nm in acetonitrile (amine adducts), λex 381 nm, λem 470 nm (Do not confuse with fluorescamine.)

      Smiles

      NC1=CC2=C(C=C1)C1(OC2=O)C2=C(OC3=C1C=CC(O)=C3)C=C(O)C=C2

      InChi Key

      GZAJOEGTZDUSKS-UHFFFAOYSA-N

      Shipping

      AMBIENT

      Short Term Storage

      +4°C

      Long Term Storage

      -20°C

      Handling Advice

      Protect from light and moisture.

      Use / Stability

      Stable for at least 2 years after receipt when stored at -20°C.

      Transportation

      Not dangerous goods

      InChi

      InChI=1S/C20H13NO5/c21-10-1-4-14-13(7-10)19(24)26-20(14)15-5-2-11(22)8-17(15)25-18-9-12(23)3-6-16(18)20/h1-9,22-23H,21H2

      Quantity

      2 g, 10 g, Bulk

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