The product, High Quality 5-chloro-2,3-difluoropyridine with CAS number 89402-43-7, is a high - purity chemical compound. The molecular formula of 5 - chloro-2,3 - difluoropyridine is C₅H₂ClF₂N, and its molecular weight is approximately 149.53 g/mol. It is a colorless to light yellow liquid under normal conditions. This product is synthesized through a series of strict chemical processes to ensure its high quality and purity, which meets the requirements of various industrial and research applications. The high - quality standard also guarantees its stability and reliability during storage and use.
5 - chloro-2,3 - difluoropyridine has a wide range of uses in different fields. In the pharmaceutical industry, it serves as a key intermediate for the synthesis of various drugs. Its unique chemical structure allows it to participate in specific chemical reactions, which can introduce chloro - and difluoro - groups into drug molecules, thereby enhancing the biological activity, pharmacokinetic properties, and stability of the drugs. In the field of agrochemicals, it is used for the synthesis of pesticides. These pesticides have high efficacy, low toxicity, and environmental - friendliness, which can effectively control pests and diseases in crops and improve agricultural production efficiency. Additionally, in the field of materials science, it can be used in the preparation of some special polymers and functional materials, endowing materials with unique electrical, optical, and mechanical properties.
When using 5 - chloro-2,3 - difluoropyridine, strict safety precautions should be taken. It is recommended to operate in a well - ventilated laboratory or industrial environment. Wear appropriate personal protective equipment, such as chemical safety goggles, chemical - resistant gloves, and a lab coat. When handling the product, avoid contact with skin, eyes, and clothing. If accidental contact occurs, immediately rinse with plenty of water and seek medical attention. In the process of chemical reactions, follow the established reaction procedures and control reaction conditions such as temperature, pressure, and reaction time. Usually, it is used as a reactant in organic solvents, and the appropriate solvent should be selected according to the specific reaction requirements.
Case 1: Pharmaceutical Synthesis
A pharmaceutical company was developing a new anti - cancer drug. 5 - chloro-2,3 - difluoropyridine was used as an intermediate in the synthesis process. Through a multi - step reaction, it was successfully incorporated into the drug molecule. The new drug showed excellent anti - cancer activity in pre - clinical trials. It could specifically target cancer cells and inhibit their growth and proliferation, while having less toxicity to normal cells.
Case 2: Agrochemical Preparation
An agrochemical research institution used 5 - chloro-2,3 - difluoropyridine to synthesize a new type of insecticide. After field trials, this insecticide demonstrated high efficiency in controlling a variety of pests on wheat crops. It could quickly kill pests and had a long - lasting effect, significantly reducing the damage of pests to wheat and increasing the wheat yield by about 20%.
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