5(6)-Aminofluorescein (mixture of isomers), Fluorescein derivative (ab145343)
Key features and details
- Fluorescein derivative used for preparation of the isothiocyanate for fluorescent labeling.
- CAS Number: 27599-63-9
- Purity: > 95%
- Form / State: Solid
- Source: Synthetic
Overview
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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
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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.
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Purity
> 95% -
General notes
Fluorescence: λex 234 nm in acetonitrile (amine adducts); λex 381 nm; λem 470 nm (Do not confuse with fluorescamine).
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CAS Number
27599-63-9 -
Chemical structure
Properties
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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.
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Source
Synthetic
