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HS Code |
893277 |
| Name | 5-carboxyfluorescein |
| Synonyms | 5-FAM, 5-Carboxyfluorescein |
| Cas Number | 72088-94-9 |
| Molecular Formula | C21H12O7 |
| Molecular Weight | 376.32 g/mol |
| Appearance | Orange crystalline powder |
| Solubility | Soluble in DMSO, DMF, and slightly soluble in water |
| Excitation Maximum | 492 nm |
| Emission Maximum | 517 nm |
| Purity | Typically > 95% |
| Storage Temperature | -20°C |
| Chemical Class | Fluorescent dye |
| Pka | 4.4 |
| Melting Point | Decomposes > 200°C |
| Uses | Fluorescent labeling of biomolecules |
As an accredited 5-carboxyfluorescein factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | 5-Carboxyfluorescein, 1 gram, is packaged in a clear, amber-glass vial with a tamper-evident seal and detailed labeling. |
| Shipping | **Shipping for 5-carboxyfluorescein:** 5-carboxyfluorescein is typically shipped at ambient temperature due to its stable, non-volatile nature. The compound is securely packed in sealed containers to prevent moisture absorption and degradation. Proper labeling, including hazard and handling information, ensures safe transit. Expedite shipping is recommended to maintain product integrity. |
| Storage | 5-Carboxyfluorescein should be stored in a tightly sealed container, protected from light and moisture. Keep at 2–8°C (refrigerated) or as specified by the manufacturer. Avoid exposure to strong acids, bases, and oxidizing agents. Handle in a well-ventilated area and use appropriate protective equipment to prevent contamination or degradation of the compound. |
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Purity 98%: 5-carboxyfluorescein with purity 98% is used in fluorescence microscopy assays, where it ensures high signal-to-noise ratio for precise cellular imaging. Molecular Weight 376.3 g/mol: 5-carboxyfluorescein with molecular weight 376.3 g/mol is used in nucleic acid labeling, where predictable conjugation efficiency is achieved. Excitation Maximum 492 nm: 5-carboxyfluorescein with excitation maximum 492 nm is used in flow cytometry panels, where optimal excitation provides accurate multiparametric analysis. Solubility in DMSO 10 mg/mL: 5-carboxyfluorescein with solubility in DMSO 10 mg/mL is used in high-throughput screening, where consistent reagent preparation enhances assay reproducibility. Melting Point 262 °C: 5-carboxyfluorescein with melting point 262 °C is used in thermal shift assays, where thermal stability contributes to reliable protein-ligand interaction studies. Storage Stability at -20 °C: 5-carboxyfluorescein with storage stability at -20 °C is used in long-term inventory of fluorescent probes, where extended shelf life minimizes degradation. Particle Size <10 μm: 5-carboxyfluorescein with particle size less than 10 μm is used in microfluidic bioassays, where uniform dispersion improves detection sensitivity. |
Competitive 5-carboxyfluorescein prices that fit your budget—flexible terms and customized quotes for every order.
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