2-Chloronicotinic acid, with its CAS number 2942-59-8, is a compound of significant interest in the chemical industry due to its versatile nature as an intermediate. Its chemical properties, coupled with efficient synthesis routes, make it an indispensable component in the production of high-value chemicals, particularly for the pharmaceutical and agrochemical sectors.

Chemically, 2-Chloronicotinic acid is characterized by its pyridine ring structure, substituted with a chlorine atom at the 2-position and a carboxylic acid group at the 3-position. This specific arrangement of functional groups imparts reactivity that is crucial for its role as a synthon. Typically appearing as a white to cream-colored powder, it exhibits a melting point above 175°C (with decomposition). While sparingly soluble in water, it demonstrates good solubility in common organic solvents like DMSO and ethyl acetate, which are frequently used in synthetic procedures.

The synthesis of 2-Chloronicotinic acid involves several established chemical pathways. One common method starts with nicotinic acid N-oxide, which is then chlorinated using agents like phosphorus oxychloride (POCl3) and phosphorus pentachloride (PCl5). Another approach involves the oxidation of 2-chloro-3-alkyl pyridine or 2-chloro-3-olefin pyridine using ozone in the presence of acetate catalysts. The efficiency and yield of these 2-Chloronicotinic acid synthesis routes are critical for the economic viability of its production, influencing the overall 2-Chloronicotinic acid price.

The market significance of 2-Chloronicotinic acid is primarily driven by its extensive applications. In the pharmaceutical industry, it serves as a vital intermediate for manufacturing APIs, including anti-inflammatory and analgesic drugs. Its role in creating compounds like pralofen and mefenamic acid highlights its contribution to modern medicine. As a pharmaceutical intermediate, its consistent availability is paramount for drug manufacturers worldwide.

In the agrochemical industry, 2-Chloronicotinic acid is a foundational component for producing herbicides such as nicosulfuron and diflufenican. These products are essential for effective crop management and increasing agricultural productivity. The demand for these herbicides directly impacts the market for 2-Chloronicotinic acid, making it a key player in the global agrochemical supply chain. The ability to buy 2-Chloronicotinic acid from reliable suppliers ensures that these vital agricultural tools can be produced consistently.

For researchers and manufacturers alike, understanding the various CAS 2942-59-8 applications is essential for maximizing its utility. The compound's accessibility through numerous suppliers facilitates its integration into diverse research and development projects, driving innovation in chemistry and related fields.

In conclusion, 2-Chloronicotinic acid is a cornerstone chemical intermediate with profound implications for the pharmaceutical and agrochemical industries. Its specific chemical properties, coupled with optimized synthesis methods, ensure its continued importance in the creation of essential products. The market for this compound remains robust, driven by its critical role in advancing human health and agricultural efficiency.