Chemical Identity and Structure

2-Chloro-4-(3-trifluoromethylphenyl)benzoic acid (catalog SKU C180493) belongs to the class of halogenated biphenyl carboxylic acids. Its molecular formula is C14H8ClF3O2. The compound features a benzoic acid core bearing a chlorine atom at the ortho (2-) position and a 3-(trifluoromethyl)phenyl group at the para (4-) position, creating a biaryl system with strong electron-withdrawing character imparted by both the chloro and trifluoromethyl substituents.

The trifluoromethyl (–CF3) group is well recognized in medicinal chemistry for its ability to enhance metabolic stability, modulate lipophilicity, and improve membrane permeability of drug candidates. The free carboxylic acid moiety provides a versatile handle for further chemical transformations, including amide coupling, esterification, and metal-catalyzed cross-coupling reactions.

Handling, Safety, and Storage Guidelines

Personal Protective Equipment (PPE): When handling 2-Chloro-4-(3-trifluoromethylphenyl)benzoic acid, wear appropriate PPE including nitrile gloves, safety goggles, and a lab coat. Work in a well-ventilated fume hood to minimize inhalation of dust or aerosols generated during weighing or transfer operations.

Storage: Store the compound in a tightly sealed container in a cool, dry location away from direct light and moisture. Aryl carboxylic acids of this structural class are generally stable under ambient conditions when kept dry, but prolonged exposure to humidity or elevated temperatures should be avoided to prevent potential degradation.

Waste Disposal: Dispose of waste material in accordance with applicable local, national, and institutional regulations governing halogenated organic compounds. Do not dispose of this compound via standard aqueous drain systems.

First Aid: In case of skin or eye contact, rinse immediately with copious amounts of water for at least 15 minutes and seek medical advice. If inhaled, move to fresh air. Consult the Safety Data Sheet (SDS) provided by Aladdin Scientific for complete hazard information prior to use.

Applications in Synthetic and Medicinal Chemistry

2-Chloro-4-(3-trifluoromethylphenyl)benzoic acid serves primarily as a synthetic building block in the preparation of more complex pharmaceutical intermediates and bioactive molecules. Its biaryl carboxylic acid scaffold is a recurring motif in drug discovery programs targeting a range of biological pathways.

Amide and Ester Bond Formation: The carboxylic acid group can be activated using standard coupling reagents (e.g., HATU, DCC/HOBt, or SOCl2) to form amide bonds with amines or ester bonds with alcohols. These transformations are central to the construction of drug-like scaffolds in medicinal chemistry libraries.

Cross-Coupling Chemistry: The aryl chloride moiety can participate in palladium-catalyzed cross-coupling reactions such as Suzuki-Miyaura, Negishi, or Heck reactions under appropriate conditions, enabling further elaboration of the biaryl framework.

Structure-Activity Relationship (SAR) Studies: Fluorinated and chlorinated aryl carboxylic acids are routinely incorporated into compound arrays for SAR exploration, where the trifluoromethyl group modulates electronic properties and metabolic profiles of the resulting analogs.

Quality, Purity, and Procurement Guidance

Aladdin Scientific supplies 2-Chloro-4-(3-trifluoromethylphenyl)benzoic acid under catalog number C180493 for research-grade applications. Researchers and procurement managers should verify the certificate of analysis (CoA) upon receipt to confirm purity specifications, which are typically assessed by HPLC and/or NMR for reagents of this type.

Lot-to-Lot Consistency: For SAR studies or multi-step synthesis programs where reproducibility is critical, request lot-specific CoA documentation and consider reserving sufficient quantity from a single lot to minimize variability across experiments.

Ordering: This compound can be ordered directly through Aladdin Scientific using SKU C180493. Contact your Aladdin Scientific representative for bulk quantities, custom packaging inquiries, or expedited shipping requirements.

Regulatory Considerations: As a halogenated organic compound, import/export of this reagent may be subject to jurisdiction-specific chemical regulations. Procurement teams should verify applicable compliance requirements prior to international ordering.