Introduction：Basic information about CAS 76823-03-5|5-carboxyfluorescein, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
| Common Name | 5-carboxyfluorescein |
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| CAS Number | 76823-03-5 | Molecular Weight | 376.316 |
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| Density | 1.7±0.1 g/cm3 | Boiling Point | 725.2±60.0 °C at 760 mmHg |
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| Molecular Formula | C21H12O7 | Melting Point | 368-372°C |
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| MSDS | ChineseUSA | Flash Point | 266.9±26.4 °C |
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Names
| Name | 5-carboxyfluorescein |
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| Synonym | More Synonyms |
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5-carboxyfluorescein BiologicalActivity
| Description | The single isomer, 5-FAM, contains a carboxylic acid that can be used to react with primary amines via carbodiimide activation of the carboxylic acid. Fluorescein is the most common fluorescent derivatization reagent for labeling biomolecules. In addition to its relatively high absorptivity, excellent fluorescence quantum yield, and good water solubility, fluorescein has an excitation maximum that closely matches the 488 nm spectral line of the argon-ion laser. |
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| Related Catalog | Signaling Pathways >>Others >>OthersDye ReagentsResearch Areas >>Others |
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Chemical & Physical Properties
| Density | 1.7±0.1 g/cm3 |
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| Boiling Point | 725.2±60.0 °C at 760 mmHg |
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| Melting Point | 368-372°C |
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| Molecular Formula | C21H12O7 |
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| Molecular Weight | 376.316 |
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| Flash Point | 266.9±26.4 °C |
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| Exact Mass | 376.058289 |
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| PSA | 113.29000 |
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| LogP | 2.62 |
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| Vapour Pressure | 0.0±2.5 mmHg at 25°C |
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| Index of Refraction | 1.816 |
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| InChIKey | NJYVEMPWNAYQQN-UHFFFAOYSA-N |
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| SMILES | O=C(O)c1ccc2c(c1)C(=O)OC21c2ccc(O)cc2Oc2cc(O)ccc21 |
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| Storage condition | Store at 2-8 |
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| Water Solubility | DMF: soluble |
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Safety Information
| Personal Protective Equipment | Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter |
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| Hazard Codes | Xi: Irritant; |
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| RIDADR | NONH for all modes of transport |
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| WGK Germany | 3 |
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| HS Code | 2932999099 |
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Customs
| HS Code | 2932999099 |
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| Summary | 2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
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Synonyms
| MFCD00151081 |
| 3',6'-Dihydroxy-3-oxo-3H-spiro[2-benzofuran-1,9'-xanthene]-5-carboxylic acid |
| Spiro[isobenzofuran-1(3H),9'-[9H]xanthene]-5-carboxylic acid, 3',6'-dihydroxy-3-oxo- |
| EINECS 276-331-1 |
| 3',6'-dihydroxy-3-oxospiro[2-benzofuran-1,9'-xanthene]-5-carboxylic acid |
| 5-carboxyfluorescein |
| 5-FAM |
