Overview
4-Hydroxy-8-fluoroquinoline-3-carboxylic acid is a fluorinated quinoline derivative with significant applications in pharmaceutical synthesis. It serves as a key intermediate in the production of various bioactive compounds, particularly in the development of antimicrobial and anticancer agents. The compound's unique structure, featuring both a carboxylic acid and a hydroxyl group, makes it a versatile building block in organic chemistry. Quinoline derivatives are widely studied for their pharmacological properties, and the introduction of a fluorine atom enhances their biological activity. This compound is typically synthesized through multi-step organic reactions, starting from basic quinoline precursors. Its purity and stability are critical for industrial applications.
Physical and Chemical Properties
4-Hydroxy-8-fluoroquinoline-3-carboxylic acid is characterized by its off-white to light yellow crystalline appearance. The compound has a molecular weight of 207.16 g/mol and is soluble in polar organic solvents such as dimethyl sulfoxide (DMSO) and methanol, though it exhibits limited solubility in water. The presence of fluorine and hydroxyl groups influences its reactivity and interaction with other molecules. The compound's stability under standard conditions makes it suitable for storage and handling in laboratory and industrial settings. However, it should be protected from prolonged exposure to light and moisture to prevent degradation. Analytical techniques such as HPLC and NMR are commonly used to verify its purity and structural integrity.
Main Applications
The primary application of 4-Hydroxy-8-fluoroquinoline-3-carboxylic acid is as an intermediate in the synthesis of pharmaceutical compounds. It is particularly valuable in the development of fluoroquinolone antibiotics, which are known for their broad-spectrum antimicrobial activity. The compound's structural features allow for further chemical modifications to enhance drug efficacy and reduce side effects. Beyond pharmaceuticals, this quinoline derivative is also used in organic synthesis to create complex molecules for research and industrial purposes. Its reactivity makes it a useful reagent in the construction of heterocyclic compounds, which are prevalent in medicinal chemistry and material science.
Safety and Storage
Handling 4-Hydroxy-8-fluoroquinoline-3-carboxylic acid requires adherence to standard laboratory safety protocols. Personal protective equipment (PPE), including gloves and safety goggles, should be worn to prevent skin contact and eye irritation. The compound should be used in a well-ventilated area to avoid inhalation of dust or vapors. Storage conditions are critical to maintaining the compound's stability. It should be kept in a tightly sealed container, away from light, moisture, and extreme temperatures. Long-term storage in a cool, dry environment is recommended. In case of accidental exposure, immediate washing with water and seeking medical advice are advised.
B2B Procurement Guide
When procuring 4-Hydroxy-8-fluoroquinoline-3-carboxylic acid, it is essential to evaluate suppliers based on purity, reliability, and compliance with industry standards. Request certificates of analysis (COA) and material safety data sheets (MSDS) to verify the product's specifications and handling requirements. Purity levels typically range from 95% to 99%, depending on the intended use. Bulk purchasing may offer cost advantages, but it is advisable to start with smaller quantities to assess quality and supplier performance. Establish clear communication with suppliers regarding delivery timelines, packaging, and storage recommendations. Comparing prices from multiple suppliers can help secure competitive rates without compromising quality.
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