Date published: 2025-9-30

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Fluorescein 6-Isothiocyanate, Isomer 2, 95% (CAS 18861-78-4)

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Alternate Names:
3',6'-dihydroxy-6-isothiocyanatospiro[2-benzofuran-3,9'-xanthene]-1-one; FITC
Application:
Fluorescein 6-Isothiocyanate, Isomer 2, 95% is a fluorescent labeling reagent for proteins
CAS Number:
18861-78-4
Molecular Weight:
389.39
Molecular Formula:
C21H11NO5S
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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Fluorescein 6-Isothiocyanate, Isomer 2, 95% is a fluorescent labeling reagent for proteins. It is used in the fluorescent antibody technique for rapid identification of pathogens.


Fluorescein 6-Isothiocyanate, Isomer 2, 95% (CAS 18861-78-4) References

  1. Isothiocyanate compounds as fluorescent labeling agents for immune serum.  |  RIGGS, JL., et al. 1958. Am J Pathol. 34: 1081-97. PMID: 13583098
  2. Protein polypeptide chain molecular weights by gel chromatography in guanidinium chloride.  |  Mann, KG. and Fish, WW. 1972. Methods Enzymol. 26: 28-42. PMID: 4680709

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Fluorescein 6-Isothiocyanate, Isomer 2, 95%, 100 mg

sc-218501
100 mg
$230.00