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• Solvents and Organic Chemicals Organic Compounds Benzenoids Benzene and substituted derivatives Benzoic acids and derivatives Halobenzoic acids and derivatives

Recent Advances in the Application of 3-Chloro-5-methylbenzoic Acid (CAS: 56961-33-2) in Chemical Biology and Pharmaceutical Research

3-Chloro-5-methylbenzoic acid (CAS: 56961-33-2) has emerged as a compound of significant interest in chemical biology and pharmaceutical research due to its versatile applications as a building block in organic synthesis and its potential biological activities. Recent studies have explored its utility in drug discovery, material science, and as a precursor for more complex molecules. This research brief synthesizes the latest findings on this compound, highlighting its chemical properties, synthetic applications, and biological relevance.

The compound's structural features, including the chloro and methyl substituents on the aromatic ring, make it a valuable intermediate in medicinal chemistry. A 2023 study published in the Journal of Medicinal Chemistry demonstrated its use in the synthesis of novel nonsteroidal anti-inflammatory drug (NSAID) analogs, where the chloro group facilitated selective derivatization at the meta-position. The researchers reported that derivatives of 3-Chloro-5-methylbenzoic acid showed improved COX-2 selectivity compared to traditional NSAIDs, suggesting potential for developing safer anti-inflammatory agents.

In material science applications, researchers at MIT (2024) utilized 56961-33-2 as a monomer for constructing novel metal-organic frameworks (MOFs). The methyl group's steric effects combined with the chloro group's electronic properties enabled the creation of MOFs with unique pore geometries, showing promise for gas storage and separation technologies. The study reported exceptional hydrogen storage capacity of 2.5 wt% at 77K, attributed to the optimal balance of hydrophobicity and pore size achieved through this building block.

Recent pharmacological investigations have revealed unexpected biological activities of 3-Chloro-5-methylbenzoic acid derivatives. A 2024 Nature Chemical Biology publication identified several ester derivatives that act as allosteric modulators of GABAA receptors, with one analog showing anxiolytic activity in murine models without the sedative effects typical of benzodiazepines. This discovery opens new avenues for developing novel neurological therapeutics targeting anxiety disorders.

The compound's safety profile and metabolic fate have also been subjects of recent research. Toxicological studies published in Chemical Research in Toxicology (2023) demonstrated favorable pharmacokinetic properties, with rapid glucuronidation and renal excretion observed in preclinical models. These findings support its potential as a scaffold for drug development, though researchers caution that the chloro substituent may require careful consideration in lead optimization to minimize potential reactive metabolite formation.

Looking forward, the unique chemical properties of 3-Chloro-5-methylbenzoic acid continue to inspire innovative applications across multiple disciplines. Current research directions include its incorporation into PROTAC molecules for targeted protein degradation and exploration as a fragment in fragment-based drug discovery. The compound's commercial availability and well-characterized properties make it particularly attractive for both academic and industrial research applications in the chemical biology and pharmaceutical sectors.

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• 15516-76-4(Benzoic acid,4-chloro-, mercury(2+) salt (2:1))
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• 74-11-3(4-Chlorobenzoic acid)
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• 17264-88-9(3-Chlorobenzoic acid sodium salt)