46930
Fluoresceinamine
mixture of isomers, ≥75% (calc. on anhydrous substance, HPLC/T)
Synonym(s):
5(6)-Aminofluorescein
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About This Item
Empirical Formula (Hill Notation):
C20H13NO5
CAS Number:
Molecular Weight:
347.32
PubChem Substance ID:
UNSPSC Code:
12171500
Beilstein/REAXYS Number:
6538782
MDL number:
assay
≥75% (calc. on anhydrous substance, HPLC/T)
impurities
≤10% water
ign. residue
≤2%
fluorescence
λex 234 nm in acetonitrile (Amine adducts), λex 381 nm; λem 470 nm (Do not confuse with fluorescamine.)
suitability
suitable for fluorescence
SMILES string
Nc1ccc2c(c1)C(=O)OC23c4ccc(O)cc4Oc5cc(O)ccc35
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
Application
Fluoresceinamine is used for the following applications:
- Preparation of fluorescence-labeled APS and dextran
- Fluorescence-tagged λ-Carrageenan
- 1251-labelled polysaccharide binding
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.
Other Notes
Note: Do not confuse with fluorescamine.
Regulatory Information
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C G Glabe et al.
Journal of cell science, 61, 475-490 (1983-05-01)
We have examined the effects of a variety of polysaccharides and glycoconjugates on the organization and morphology of cultured A14CL-1 endothelial monolayers. The sulphated fucose-containing polysaccharides, fucoidin and sea-urchin egg jelly fucan, induce a dramatic disruption of the organization of
Bao-Mei Shao et al.
Biochemical and biophysical research communications, 320(4), 1103-1111 (2004-07-14)
The immunopotentiating effect of the roots of Astragalus membranaceus, a medicinal herb, has been associated with its polysaccharide fractions (Astragalus polysaccharides, APS). We herein demonstrate that APS activates mouse B cells and macrophages, but not T cells, in terms of
Makoto Anraku et al.
Life sciences, 134, 36-41 (2015-06-03)
To determine molecular information about the antioxidant properties of human serum albumin, which is an important extracellular antioxidant. To obtain this information, we studied this function of the protein by using H2O2 as the representative reactive oxygen species and two