The product "High Quality Sulfo-1,8-naphthalic anhydride potassium salt CAS 71501-16-1 With Low Price" is a specialty chemical compound. Its CAS number, 71501-16-1, serves as a unique identifier in the chemical industry.
Regarding its physical properties, it typically appears as a fine crystalline powder. The high - quality aspect implies that it has a high degree of purity, which is crucial for its performance in various applications. The sulfo - functional group on the naphthalic anhydride structure imparts specific chemical reactivity and solubility characteristics to the compound. The potassium salt form may enhance its solubility in certain solvents and also influence its chemical behavior in reaction systems.
This product has a wide range of applications in the chemical and biochemical fields. In the chemical synthesis area, it can be used as a key intermediate for the production of more complex organic compounds. For example, it can participate in esterification, amidation, or other substitution reactions to introduce the naphthalene - based structure into target molecules.
In the biochemical field, it may be used as a fluorescent probe. The naphthalene moiety often exhibits fluorescence properties, and the sulfo - group can enhance its water - solubility, making it suitable for use in biological systems. It can be used to label biomolecules such as proteins, nucleic acids, etc., to study their structure, function, and interactions.
When using this product in a chemical synthesis laboratory, proper safety precautions should be taken. First, wear appropriate personal protective equipment, including lab coats, gloves, and safety glasses.
For dissolving the product, select a suitable solvent based on its solubility characteristics. It is usually recommended to start with small - scale tests to determine the optimal reaction conditions, including temperature, reaction time, and the ratio of reactants. In the case of using it as a fluorescent probe in a biochemical experiment, it is necessary to prepare the appropriate buffer solutions and ensure that the pH and ionic strength are within the appropriate ranges. The labeled biomolecules should be stored and handled according to the standard biochemical laboratory protocols.
A research team in a biotech company was studying the interaction between a specific protein and a small molecule drug. They decided to use the High Quality Sulfo - 1,8 - naphthalic anhydride potassium salt as a fluorescent probe to label the protein.
First, they prepared a phosphate - buffered saline (PBS) solution with a pH of 7.4. They dissolved the product in a small amount of DMSO and then added it to the protein solution in the PBS buffer. The reaction was carried out at room temperature for 30 minutes in the dark. After the reaction, they used gel filtration chromatography to purify the labeled protein.
They then added the small molecule drug to the labeled protein solution and monitored the change in fluorescence intensity over time. By analyzing the fluorescence data, they were able to determine the binding constant and the binding mechanism between the protein and the drug. This case shows the practical application of the product in a real - world biochemical research project.
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