Product Name: High Quality 5-Chloro-2-thiophenecarboxylic Acid CAS 24065-33-6 With Low Price
CAS Number: 24065-33-6
Chemical Formula: C₅H₃ClO₂S
Molecular Weight: Approximately 162.59 g/mol
Appearance: Usually appears as a white to light - yellow crystalline powder.
Solubility: It has a certain solubility in common organic solvents such as ethanol and acetone, while having relatively low solubility in water.
Storage Conditions: It should be stored in a cool, dry place, away from light and sources of ignition. Keep it tightly sealed to prevent moisture and air from entering.
5 - Chloro - 2 - thiophenecarboxylic acid is a crucial intermediate in the field of organic synthesis. In the pharmaceutical industry, it is used to synthesize various drug molecules. For example, it can be used as a key building block in the synthesis of drugs with antibacterial, anti - inflammatory, and analgesic properties. Its unique chemical structure allows it to react with other chemical substances to form new compounds with specific biological activities.
In the field of agrochemicals, it is also an important raw material. It can be used to synthesize pesticides and herbicides. By modifying its chemical structure, it can be made into products with different degrees of effectiveness and specificities, which are used to control pests and weeds, and protect the growth of crops.
Moreover, in the field of materials science, it can be used to prepare polymers and advanced materials. The introduction of its structure into polymers can improve the performance of materials, such as enhancing the mechanical properties and chemical stability of materials.
When using 5 - Chloro - 2 - thiophenecarboxylic acid, first, appropriate personal protective equipment should be worn, including gloves, goggles, and a lab coat, to avoid direct contact with the skin and eyes. In a well - ventilated laboratory or workplace, measure the required amount of the product using a suitable measuring instrument according to the experimental or production requirements.
During the reaction process, it is necessary to strictly control the reaction conditions, such as temperature, pressure, and reaction time. Usually, it is recommended to start the reaction at a relatively low temperature and gradually increase the temperature according to the reaction progress. Stirring is also an important operation to ensure uniform mixing of reactants and promote the reaction.
After the reaction is completed, appropriate separation and purification methods should be used to obtain the desired product. Commonly used methods include filtration, recrystallization, and column chromatography.
Caso 1: Síntese farmacêutica
A pharmaceutical research team was synthesizing a new antibacterial drug. They used 5 - Chloro - 2 - thiophenecarboxylic acid as a key starting material. First, they reacted it with an amine compound in the presence of a suitable catalyst and under specific temperature and pressure conditions. Through a series of reaction steps such as acylation and cyclization, they finally synthesized a new heterocyclic compound. After in - vitro antibacterial tests, this new compound showed strong antibacterial activity against a variety of pathogenic bacteria, laying a foundation for the development of new antibacterial drugs.
Caso 2: Síntese de agroquímicos
An agrochemical company was developing a new herbicide. They used 5 - Chloro - 2 - thiophenecarboxylic acid to react with a specific alcohol compound. By carefully controlling the reaction conditions and using appropriate purification methods, they obtained a new herbicidal active ingredient. Field trials showed that this new herbicide could effectively control a variety of broad - leaf weeds while having little impact on the growth of crops, demonstrating good application prospects.
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