5-Fluoro-2-methoxyphenylboronic acid, which is a useful compound in organic synthesis. Its properties are multi-terminal, let me explain in detail.
When it comes to physical properties, this substance is usually in the form of a white to light yellow solid powder. It is quite stable under normal temperature and pressure, but under extreme conditions, such as hot topics and strong oxidation environments, it may change. The characteristics of its melting point and boiling point are of great significance for its separation and purification during synthesis operations. Generally speaking, the accurate grasp of its melting point can be purified by methods such as recrystallization, while the boiling point data is related to the implementation of separation methods such as distillation.
In terms of chemical properties, its boron atom has electron-deficient properties, making this compound an electrophilic reagent that can react with many electron-rich substrates. The most typical example is the Suzuki-Miyaura coupling reaction with halogenated aromatics or olefins catalyzed by palladium. This reaction is a powerful tool for building carbon-carbon bonds, and is widely used in the fields of drug synthesis and materials science. In the reaction, the boric acid group of 5-fluoro-2-methoxyphenylboronic acid and the halogen atom of the halogen are bridged by palladium catalyst to form a new carbon-carbon bond, thereby expanding the molecular skeleton.
Furthermore, its acidity is relatively weak, and the boric acid group can be complexed with some metal ions, which is also useful in the field of catalysis and supramolecular chemistry. For example, it can form stable complexes with some transition metal ions, thereby changing the activity and selectivity of the reaction, opening up new paths for organic synthesis.
5-fluoro-2-methoxyphenylboronic acid has active and unique chemical properties. It plays an indispensable role in the stage of organic synthesis and provides a powerful means for the construction of many complex organic molecules.

5-Fluoro-2-methoxyphenylboronic acid, an important reagent in organic synthesis, is widely used in many fields.
First, in the field of medicinal chemistry, it is often a key intermediate. When creating new drug molecules, with its unique structure, it can be cleverly linked with other organic molecules through specific chemical reactions. For example, the synthesis of compounds with specific pharmacological activities can be used to couple Suzuki with halogenated aromatics to build a complex drug molecular skeleton, helping to develop various specific drugs such as antibacterial and anti-cancer.
Second, in the field of materials science, it also plays an important role. In the preparation of functional organic materials, it can be used to participate in the reaction and endow the material with unique photoelectric properties. For example, in the synthesis of organic Light Emitting Diode (OLED) materials, through rational design of reactions, the structure is introduced into the material to optimize the luminous efficiency and stability of the material, so that the display screen presents more brilliant colors.
Third, in the field of organic synthetic chemistry, as a commonly used boron reagent, it is widely used in carbon-carbon bond construction reactions. In addition to Suzuki coupling reaction, it can also participate in other metal catalytic coupling reactions, providing an effective way to synthesize organic compounds with diverse structures, assisting organic chemists to construct complex and novel molecular structures, and expanding the boundaries of organic synthetic chemistry.

There are several common methods for the synthesis of 5-fluoro-2-methoxyphenylboronic acid.
First, halogenated aromatics are used as starting materials. Take 5-fluoro-2-methoxybromobenzene, put it and magnesium chips into an appropriate amount of anhydrous ether or tetrahydrofuran solvent in an anhydrous and oxygen-free environment, stir to heat up, initiate a Grignard reaction, and generate 5-fluoro-2-methoxyphenylmagnesium bromide. After that, the Grignard reagent is slowly dropped into trimethyl borate, and the reaction is maintained at a certain temperature for several hours. After the reaction is completed, 5-fluoro-2-methoxyphenylboronic acid can be obtained by hydrolysis, adjusting the pH value with dilute acid, and then extracting, drying, distillation and other operations. The raw materials of this method are easy to obtain, but the Grignard reaction conditions are harsh, and it needs to be strictly anhydrous and anaerobic, and the operation is complicated.
Second, the coupling reaction catalyzed by palladium is used. Using 5-fluoro-2-methoxybromobenzene and double pinacol borate as raw materials, in a suitable organic solvent, a palladium catalyst such as tetrakis (triphenylphosphine) palladium and an appropriate amount of alkali such as potassium carbonate are added. Under nitrogen protection, the reaction is heated and stirred. After the reaction is completed, the products are separated and purified by means of column chromat The reaction conditions of this route are mild and the selectivity is good. However, the palladium catalyst is expensive, and the separation process may require professional equipment and technology.
Third, it starts from 5-fluoro-2-methoxybenzoic acid. First, it is converted into the corresponding acid chloride, and then interacts with reducing agents such as sodium borohydride to generate 5-fluoro-2-methoxybenzyl alcohol. After that, 5-fluoro-2-methoxybenzaldehyde is oxidized to obtain 5-fluoro-2-methoxybenzaldehyde, and then condensation with borate esters to finally obtain the target product. This route has a little more steps, but the reagents used are common, and the reaction conditions of each step are relatively easy to control. The choice of synthesis method should be based on actual needs, taking into account factors such as raw material cost, reaction conditions, product purity and yield.

5-Fluoro-2-methoxyphenylboronic acid is a commonly used reagent in organic synthesis. When storing and transporting, many key matters must be paid attention to.
When storing, the first environmental conditions. It should be placed in a cool, dry and well-ventilated place. This reagent is quite sensitive to humidity, and humid environments can easily cause its hydrolysis and deterioration. Therefore, the humidity in the warehouse should be strictly controlled, and it is generally appropriate to maintain the relative humidity at 40% - 60%. If the humidity is too high, a desiccant, such as anhydrous calcium chloride, silica gel, etc. can be placed in the storage area to absorb water vapor and keep it dry.
The temperature should not be ignored, and the storage temperature should usually be between -20 ° C and 0 ° C. If the temperature is too high, it will accelerate its chemical reaction rate and promote its decomposition; while if the temperature is too low, although it can slow down the reaction, it may cause crystallization and other conditions, which will affect its subsequent use. For those who need long-term storage, it is even more necessary to ensure that the temperature is constant, which can be achieved with the help of professional low-temperature refrigerators or cold storage.
Furthermore, avoid contact with oxidants, acids, alkalis and other substances. 5-Fluoro-2-methoxyphenylboronic acid is chemically active and encounters with the above substances, which is prone to chemical reactions and causes it to fail. When storing, it should be stored separately from these substances, following the principle of "classified storage".
When transporting, be sure to pack tightly. Special sealed containers are often used to ensure that there is no risk of leakage during transportation The outer packaging should be sturdy to resist vibration and collision. And a clear label of hazardous chemicals must be posted, so that transporters and regulators can see at a glance and treat it with caution.
Temperature control must also be paid attention to during transportation, especially long-distance transportation. Measures such as refrigerated trucks or adding ice packs can be used to maintain a suitable temperature. At the same time, transporters should be professionally trained and familiar with the characteristics of this reagent and emergency treatment methods. In the event of an accident such as a leak, they can respond quickly and correctly to prevent the harm from expanding.

I think what you are asking is the market price of 5-fluoro-2-methoxyphenylboronic acid. However, this price is not constant, and it is affected by many factors.
First, the supply and demand situation has a great impact on its price. If there is a strong demand for this product in the market and the supply is limited, the price will tend to rise; conversely, if the supply exceeds the demand, the price may drop.
Second, the price of raw materials is also the key. The synthesis of this product requires specific raw materials, and fluctuations in the price of raw materials will cause changes in its production costs, which in turn will affect the market price. If raw materials are scarce or prices rise, the price of 5-fluoro-2-methoxyphenylboronic acid will also rise.
Third, the production process is related to the technical level. Advanced technology can reduce costs and increase output. If producers have high-efficiency technology, they may be able to enter the market at a better price; while those with laggard technology have high costs and high prices.
Fourth, the market competition situation is involved. When there are many manufacturers and fierce competition, they may compete for share or reduce prices; however, if the market is almost monopolized, the price will be controlled by a few or remain high.
Fifth, policies and regulations and the international trade situation also have an impact. Stringent environmental protection policies may increase production costs; trade frictions, tariff adjustments, etc., can make prices fluctuate.
Due to the complex intertwining of the above factors, in order to determine the market price of 5-fluoro-2-methoxyphenylboronic acid, it is necessary to constantly observe market trends and consult suppliers, traders and industry insiders in order to obtain a more accurate price.