Overview
7-Formylindole is an organic compound belonging to the indole family, characterized by a formyl group (-CHO) attached to the 7-position of the indole ring. It serves as a crucial intermediate in the synthesis of various pharmaceuticals, agrochemicals, and specialty chemicals. The compound's reactive aldehyde group makes it a versatile building block for further chemical modifications. Due to its significance in medicinal chemistry, 7-formylindole is often utilized in the development of drug candidates, particularly in the synthesis of indole-based alkaloids and heterocyclic compounds. Its applications extend to the production of dyes, fragrances, and other fine chemicals.
Physical and Chemical Properties
7-Formylindole appears as a light yellow to brown crystalline powder with a molecular weight of 145.16 g/mol. It has a melting point of approximately 95-98°C and is soluble in common organic solvents such as ethanol, methanol, and dimethyl sulfoxide (DMSO). However, its solubility in water is limited. The presence of the formyl group makes the compound reactive toward nucleophiles, enabling it to participate in condensation reactions, reductions, and other transformations. Its stability under normal conditions is moderate, but it should be protected from prolonged exposure to light and moisture to prevent degradation.
Main Applications
7-Formylindole is primarily used as an intermediate in the pharmaceutical industry for the synthesis of active pharmaceutical ingredients (APIs). It plays a key role in the preparation of indole derivatives, which are prevalent in drugs targeting neurological disorders, cancer, and infectious diseases. In agrochemicals, the compound is employed to develop pesticides and herbicides due to its ability to modify biological activity. Additionally, it finds use in fine chemical synthesis for producing dyes, fragrances, and other specialty chemicals. Its versatility in organic synthesis makes it a valuable reagent in research and industrial applications.
Safety and Storage
7-Formylindole should be handled with care to avoid health risks. Direct contact with skin, eyes, or inhalation of dust should be prevented by using appropriate personal protective equipment (PPE), including gloves, goggles, and lab coats. Work should be conducted in a fume hood to ensure proper ventilation. Storage conditions are critical to maintaining the compound's stability. It should be kept in a tightly sealed container, away from light, moisture, and incompatible substances such as strong oxidizing agents. Recommended storage temperatures range from 2-8°C for long-term preservation.
B2B Procurement Guide
When procuring 7-formylindole, B2B buyers should prioritize purity and supplier reliability. High-performance liquid chromatography (HPLC) or gas chromatography (GC) analysis should confirm the compound's purity, typically required to be ≥95% for most applications. Buyers should also evaluate suppliers for compliance with regulatory standards such as REACH or FDA guidelines, depending on the intended use. Bulk purchases may offer cost advantages, but storage and shelf-life considerations must be accounted for. Requesting certificates of analysis (CoA) and material safety data sheets (MSDS) is essential for quality assurance.
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