Fluorescein isothiocyanate
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- $44.4 - $1250
- Product name: Fluorescein isothiocyanate
- CAS: 27072-45-3
- MF: C21H11NO5S
- MW: 389.38
- EINECS:248-207-7
- MDL Number:MFCD00005063
- Synonyms:FluoresceinIsothiocyanate,Isomers1&11;Spiroisobenzofuran-1(3H),9-9Hxanthen-3-one, 3,6-dihydroxy-5(or 6)-isothiocyanato-;Fluorescein 5(6)-isothiocyanate,FITC, Fluorescein isothiocyanate;Fluorescein5(6)-isot;5(6)-FITC;Fluorescein 5(6)-isothiocyanat, mixture of isomers >90%;Fluorescein Isothiocyanate (Mixture of 5- and 6- isoMers);Isothiocyanatofluorescein
21 prices
Selected condition：
Brand
- Adipogen Life Sciences
- AK Scientific
- American Custom Chemicals Corporation
- Biosynth Carbosynth
- Chem-Impex
- ChemScene
- Sigma-Aldrich
- TCI Chemical
- TRC
- Usbiological
Package
- 50MG
- 100mg
- 250mg
- 500mg
- 1ml
- 1g
- 2g
- 5G
- ManufacturerAdipogen Life Sciences
- Product numberCDX-F0010-G001
- Product description5(6)-FITC ≥95%(HPLC)
- Packaging1g
- Price$171
- Updated2021-12-16
- Buy
- ManufacturerAK Scientific
- Product number3680AH
- Product description5(6)-FITC
- Packaging100mg
- Price$67
- Updated2021-12-16
- Buy
- ManufacturerAmerican Custom Chemicals Corporation
- Product numberFRL0000113
- Product descriptionFluorescein 5(6)-isothiocyanate 90.00%
- Packaging1G
- Price$379.05
- Updated2021-12-16
- Buy
- ManufacturerBiosynth Carbosynth
- Product numberFF35415
- Product descriptionFluorescein isothiocyanate
- Packaging250mg
- Price$65
- Updated2021-12-16
- Buy
- ManufacturerBiosynth Carbosynth
- Product numberFF35415
- Product descriptionFluorescein isothiocyanate
- Packaging500mg
- Price$110
- Updated2021-12-16
- Buy
- ManufacturerBiosynth Carbosynth
- Product numberFF35415
- Product descriptionFluorescein isothiocyanate
- Packaging1g
- Price$195
- Updated2021-12-16
- Buy
- ManufacturerBiosynth Carbosynth
- Product numberFF35415
- Product descriptionFluorescein isothiocyanate
- Packaging2g
- Price$320
- Updated2021-12-16
- Buy
- ManufacturerBiosynth Carbosynth
- Product numberFF35415
- Product descriptionFluorescein isothiocyanate
- Packaging5G
- Price$750
- Updated2021-12-16
- Buy
- ManufacturerChem-Impex
- Product number41974
- Product descriptionFluorescein5(6)-isothiocyanate,≥97%(HPLC),suitableforHematology&Histology ≥97%(HPLC)
- Packaging100MG
- Price$89.69
- Updated2021-12-16
- Buy
- ManufacturerChemScene
- Product numberCS-3066
- Product description5(6)-FITC 95.11%
- Packaging100mg
- Price$67
- Updated2021-12-16
- Buy
- ManufacturerChemScene
- Product numberCS-3066
- Product description5(6)-FITC 95.11%
- Packaging500mg
- Price$264
- Updated2021-12-16
- Buy
- ManufacturerSigma-Aldrich
- Product number46950
- Product descriptionFluorescein 5(6)-isothiocyanate BioReagent, suitable for fluorescence, mixture of 2 components, ≥90% (HPLC)
- Packaging50MG
- Price$44.4
- Updated2025-07-31
- Buy
- ManufacturerSigma-Aldrich
- Product numberF3651
- Product descriptionFluorescein 5(6)-isothiocyanate ≥90% (HPLC)
- Packaging100mg
- Price$113
- Updated2025-07-31
- Buy
- ManufacturerSigma-Aldrich
- Product number46950
- Product descriptionFluorescein 5(6)-isothiocyanate BioReagent, suitable for fluorescence, mixture of 2 components, ≥90% (HPLC)
- Packaging250MG
- Price$157
- Updated2025-07-31
- Buy
- ManufacturerSigma-Aldrich
- Product number46950
- Product descriptionFluorescein 5(6)-isothiocyanate BioReagent, suitable for fluorescence, mixture of 2 components, ≥90% (HPLC)
- Packaging1G
- Price$441
- Updated2025-07-31
- Buy
- ManufacturerTCI Chemical
- Product numberF0784
- Product descriptionFluorescein Isothiocyanate (mixture of 5- and 6- isomers) >97.0%(HPLC)(T)
- Packaging100mg
- Price$141
- Updated2025-07-31
- Buy
| Manufacturer | Product number | Product description | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|
| Adipogen Life Sciences | CDX-F0010-G001 | 5(6)-FITC ≥95%(HPLC) | 1g | $171 | 2021-12-16 | Buy |
| AK Scientific | 3680AH | 5(6)-FITC | 100mg | $67 | 2021-12-16 | Buy |
| American Custom Chemicals Corporation | FRL0000113 | Fluorescein 5(6)-isothiocyanate 90.00% | 1G | $379.05 | 2021-12-16 | Buy |
| Biosynth Carbosynth | FF35415 | Fluorescein isothiocyanate | 250mg | $65 | 2021-12-16 | Buy |
| Biosynth Carbosynth | FF35415 | Fluorescein isothiocyanate | 500mg | $110 | 2021-12-16 | Buy |
| Biosynth Carbosynth | FF35415 | Fluorescein isothiocyanate | 1g | $195 | 2021-12-16 | Buy |
| Biosynth Carbosynth | FF35415 | Fluorescein isothiocyanate | 2g | $320 | 2021-12-16 | Buy |
| Biosynth Carbosynth | FF35415 | Fluorescein isothiocyanate | 5G | $750 | 2021-12-16 | Buy |
| Chem-Impex | 41974 | Fluorescein5(6)-isothiocyanate,≥97%(HPLC),suitableforHematology&Histology ≥97%(HPLC) | 100MG | $89.69 | 2021-12-16 | Buy |
| ChemScene | CS-3066 | 5(6)-FITC 95.11% | 100mg | $67 | 2021-12-16 | Buy |
| ChemScene | CS-3066 | 5(6)-FITC 95.11% | 500mg | $264 | 2021-12-16 | Buy |
| Sigma-Aldrich | 46950 | Fluorescein 5(6)-isothiocyanate BioReagent, suitable for fluorescence, mixture of 2 components, ≥90% (HPLC) | 50MG | $44.4 | 2025-07-31 | Buy |
| Sigma-Aldrich | F3651 | Fluorescein 5(6)-isothiocyanate ≥90% (HPLC) | 100mg | $113 | 2025-07-31 | Buy |
| Sigma-Aldrich | 46950 | Fluorescein 5(6)-isothiocyanate BioReagent, suitable for fluorescence, mixture of 2 components, ≥90% (HPLC) | 250MG | $157 | 2025-07-31 | Buy |
| Sigma-Aldrich | 46950 | Fluorescein 5(6)-isothiocyanate BioReagent, suitable for fluorescence, mixture of 2 components, ≥90% (HPLC) | 1G | $441 | 2025-07-31 | Buy |
| TCI Chemical | F0784 | Fluorescein Isothiocyanate (mixture of 5- and 6- isomers) >97.0%(HPLC)(T) | 100mg | $141 | 2025-07-31 | Buy |
Properties
Melting point :>360 °C(lit.)
storage temp. :-20°C
solubility :DMSO (Slightly), Methanol (Slightly)
form :powder
color :Brown to Dark Brown
Appearance :orange powder
Merck :14,4089
BRN :1407295
Stability :Moisture Sensitive
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 :WBSWSUYBEIMVMI-UHFFFAOYSA-N
SMILES :C12(OC(=O)C3C=C(N=C=S)C=CC1=3)C1C=CC(O)=CC=1OC1C=C(O)C=CC2=1
CAS DataBase Reference :27072-45-3(CAS DataBase Reference)
EPA Substance Registry System :
storage temp. :-20°C
solubility :DMSO (Slightly), Methanol (Slightly)
form :powder
color :Brown to Dark Brown
Appearance :orange powder
Merck :14,4089
BRN :1407295
Stability :Moisture Sensitive
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 :WBSWSUYBEIMVMI-UHFFFAOYSA-N
SMILES :C12(OC(=O)C3C=C(N=C=S)C=CC1=3)C1C=CC(O)=CC=1OC1C=C(O)C=CC2=1
CAS DataBase Reference :27072-45-3(CAS DataBase Reference)
EPA Substance Registry System :
Safety Information
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Description
Fluorescein isothiocyanate (FITC) is an amine-reactive derivative of fluorescein dye that has wide-ranging applications as a label for antibodies and other probes, for use in fluorescence microscopy, flow cytometry and immunofluorescence-based assays such as Western blotting and ELISA. The isothiocyanate variety of fluorescein efficiently labels antibodies and other purified proteins at primary amines (lysine side chains)- Excitation source: 488 nm spectral line, argon-ion laser
- Excitation wavelength: 494 nm
- Emission wavelength: 518 nm
- Extinction coefficient: > 70,000 M-1cm-1
- Solubility: Soluble in aqueous buffers at pH > 6
- Reactive groups: Isothiocyanate, reacts with primary amines at pH 7.0 to 9.0
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