5(6)-Aminofluorescein (mixture of isomers), Fluorescein derivative (ab145343)

Overview

  • Product name

    5(6)-Aminofluorescein (mixture of isomers), Fluorescein derivative
  • Description

    Fluorescein derivative used for preparation of the isothiocyanate for fluorescent labeling.
  • Alternative names

    • (5(6)-AFM
    • Fluoresceinamine mixed isomers
  • Biological 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.

  • Purity

    > 95%
  • General notes

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

  • CAS Number

    27599-63-9
  • Chemical structure

    Chemical Structure

Properties

  • Molecular weight

    347.32
  • Molecular formula

    C20H13NO5
  • Storage instructions

    Store at Room Temperature. Store under desiccating conditions. The product can be stored for up to 12 months.
  • Handling

    Wherever possible, you should prepare and use solutions on the same day. However, if you need to make up stock solutions in advance, we recommend that you store the solution as aliquots in tightly sealed vials at -20°C. Generally, these will be useable for up to one month. Before use, and prior to opening the vial we recommend that you allow your product to equilibrate to room temperature for at least 1 hour.

    Need more advice on solubility, usage and handling? Please visit our frequently asked questions (FAQ) page for more details.

  • Source

    Synthetic

References

ab145343 has not yet been referenced specifically in any publications.

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