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5-Aminofluorescein (5-AF) (5-AF) is a covalently-bound fluorescence marker conjugated with human serum albumin. It exhibits an excitation wavelength of 490 nm and an emission wavelength of 515 nm.

| Pack Size | Price | USA Warehouse | Global Warehouse | Quantity |
|---|---|---|---|---|
| 200 mg | $29 | In Stock | - | |
| 1 mL x 10 mM (in DMSO) | $30 | In Stock | In Stock |

| Description | 5-Aminofluorescein (5-AF) (5-AF) is a covalently-bound fluorescence marker conjugated with human serum albumin. It exhibits an excitation wavelength of 490 nm and an emission wavelength of 515 nm. |
| In vitro | Instructions for use I. Preparation of mother solution and working solution: Dissolve 5-Aminofluorescein5 mother solution with DMSO to prepare a suitable concentration, and dilute it with a suitable solvent to a certain concentration of working solution when using; (be careful to store in a dark place) II. Labeling reaction 1. Chemically couple 5-Aminofluorescein with target molecules (such as proteins, nucleic acids or other biomolecules). 2. Detection: Use fluorescence microscope or fluorescence spectrophotometer for detection. The excitation wavelength of 5-Aminofluorescein5 is usually about 490 nm, and the emission wavelength is about 515 nm. The above information is based on published literature. Experimental procedures should be appropriately modified to meet specific research demands. |
| Synonyms | 5-AF |
| Molecular Weight | 347.32 |
| Formula | C20H13NO5 |
| Cas No. | 3326-34-9 |
| Smiles | NC1=CC2=C(C=C1)C1(OC2=O)C2=C(OC3=C1C=CC(O)=C3)C=C(O)C=C2 |
| Relative Density. | 1.64g/cm3 |
| Storage | keep away from direct sunlight | Powder: -20°C for 3 years | In solvent: -80°C for 1 year | Shipping with blue ice/Shipping at ambient temperature. | ||||||||||||||||||||||||||||||
| Solubility Information | DMSO: 30 mg/mL (86.38 mM), Sonication is recommended. | ||||||||||||||||||||||||||||||
Solution Preparation Table | |||||||||||||||||||||||||||||||
DMSO
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Dissolve 2 mg of the compound in 100 μL DMSO
to obtain a stock solution at a concentration of 20 mg/mL . If the required concentration exceeds the compound's known solubility, please contact us for technical support before proceeding.
1) Add 100 μL of the DMSO
stock solution to 400 μL PEG300
and mix thoroughly until the solution becomes clear.
2) Add 50 μL Tween 80 and mix well until fully clarified.
3) Add 450 μL Saline,PBS or ddH2O
and mix thoroughly until a homogeneous solution is obtained.
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