27072-45-3
Chemical Structure
5(6)-FITC
Synonym(s): Fluorescein 5(6)-isothiocyanate; Fluorescein isothiocyanate 5- and 6- isomers
- CAS No.: 27072-45-3
- Formula:C21H11NO5S
- Molecular Weight:389.38
IUPAC Name: 3',6'-dihydroxy-5-isothiocyanato-3H-spiro[isobenzofuran-1,9'-xanthen]-3-one compound with 3',6'-dihydroxy-6-isothiocyanato-3H-spiro[isobenzofuran-1,9'-xanthen]-3-one (1:1)
InChIKey: AEWCEHLYVLRLBF-UHFFFAOYSA-N
SMILES: OC1=CC=C(C2(O3)C(C=C(N=C=S)C=C4)=C4C3=O)C(OC5=C2C=CC(O)=C5)=C1.OC6=CC=C(C7(O8)C(C=CC(N=C=S)=C9)=C9C8=O)C(OC%10=C7C=CC(O)=C%10)=C6
Biological Activity: 5(6)-FITC (Fluorescein 5(6)-isothiocyanate) is an amine-reactive derivative of a fluorescent dye, characterized by high absorbance and excellent fluorescence quantum yield. The isothiocyanate group of FITC can react with various functional groups on proteins, including amines, thiols, imidazoles, tyrosines and carbonyls, enabling the labeling of proteins such as antibodies and lectins. 5(6)-FITC has a wide range of applications, including flow cytometry, immunofluorescence, protease assays and conjugation. The maximum excitation/emission wavelengths are 492/518 nm[1][2][3][4].
| Cat. No. | Product Name | Purity | Description | Pricing | |||||||||||||||||||
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5(6)-FITC | 97.59% | 5(6)-FITC (Fluorescein 5(6)-isothiocyanate) is an amine-reactive derivative of a fluorescent dye, characterized by high absorbance and excellent fluorescence quantum yield. The isothiocyanate group of FITC can react with various functional groups on proteins, including amines, thiols, imidazoles, tyrosines and carbonyls, enabling the labeling of proteins such as antibodies and lectins. 5(6)-FITC has a wide range of applications, including flow cytometry, immunofluorescence, protease assays and conjugation. The maximum excitation/emission wavelengths are 492/518 nm. | ||||||||||||||||||||
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- [1]. J S Miller , ET AL. Flow cytometric identification of microorganisms by dual staining with FITC and PI. Cytometry. 1990;11(6):667-75. [Content Brief]
- [2]. S S Twining, et al. Fluorescein isothiocyanate-labeled casein assay for proteolytic enzymes.Anal Biochem. 1984 Nov 15;143(1):30-4. [Content Brief]
- [3]. K Sugiura, et al. A simple quantitative immunofluorescence assay for FITC-labeled antibody on platelets. J Immunol Methods. 1981;40(2):165-70. [Content Brief]
- [4]. Natalia Oddone, et al. Cell uptake mechanisms of PAMAM G4-FITC dendrimer in human myometrial cells. J Nanopart Res. 2013 15:1776.
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