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FITC

CAT: 0931-T15284-01Size: 50 mgDry Ice: NoHazardous: No
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CAT#:0931-T15284-01Size:50 mg
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24/48H Stock Items & 2 to 6 Weeks non Stock Items.
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CAS Number
3326-32-7
Target
Others
Related Pathways
Others
Purity
>99.99%
Bioactivity
FITC is a green fluorescein derivative. FITC is often used to label biological macromolecules such as antibodies and proteins. FITC can also be used to label nucleic acids. FITC can be used as a fluorescent probe to detect cell viability, cell apoptosis, etc. FITC showed a maximum excitation wavelength of 494 nm and yellow-green fluorescence at a maximum emission wavelength of 520 nm.
Smiles
OC1=CC2=C(C=C1)C1(OC(=O)C3=C1C=CC(=C3)N=C=S)C1=C(O2)C=C(O)C=C1
Molecular Formula
C21H11NO5S
Molecular Weight
389.38
Shipping Conditions
Ice Packs
Storage Temperature
-20°C

Chemical Information

Fluorescein 5-isothiocyanate

Fluorescein 5-isothiocyanate is the 5-isomer of fluorescein isothiocyanate. Acts as a fluorescent probe capable of being conjugated to tissue and proteins; used as a label in fluorescent antibody staining procedures as well as protein- and amino acid-binding techniques.

CAS Number3326-32-7
PubChem CID18730
IUPAC Name3',6'-dihydroxy-6-isothiocyanatospiro[2-benzofuran-3,9'-xanthene]-1-one
Molecular FormulaC21H11NO5S
Molecular Weight389.4
XLogP4.8
Topological Polar Surface Area120
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count7
Rotatable Bond Count1
Heavy Atom Count28
Formal Charge0
Complexity668
SMILES
C1=CC2=C(C=C1N=C=S)C(=O)OC23C4=C(C=C(C=C4)O)OC5=C3C=CC(=C5)O
InChI
InChI=1S/C21H11NO5S/c23-12-2-5-16-18(8-12)26-19-9-13(24)3-6-17(19)21(16)15-4-1-11(22-10-28)7-14(15)20(25)27-21/h1-9,23-24H
InChIKey
MHMNJMPURVTYEJ-UHFFFAOYSA-N
Chemical Structure
2D Structure
2D structure of Fluorescein 5-isothiocyanate
CAS: 3326-32-7
CID: 18730
Formula: C21H11NO5S
MW: 389.4
Interactive 3D Structure
Loading 3D structure...
View on PubChemRaw 3D data
Computed Properties
PropertyValue
Molecular Weight389.4
XLogP34.8
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count7
Rotatable Bond Count1
Exact Mass389.03579362
Monoisotopic Mass389.03579362
Topological Polar Surface Area120 Ų
Heavy Atom Count28
Formal Charge0
Complexity668
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
Covalently-Bonded Unit Count1
Compound Is CanonicalizedYes

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