Understanding the fundamental chemistry and applications of key intermediates is vital for innovation in the chemical and pharmaceutical industries. 3-Cyclopentylpropionic Acid, catalogued under CAS number 140-77-2, is a carboxylic acid derivative with a distinctive cyclopentyl moiety. This structure endows it with specific physicochemical properties that make it a valuable compound for synthesis. This article explores its chemical characteristics and its significant roles, particularly for professionals seeking to purchase or utilize this compound.

Chemically, 3-Cyclopentylpropionic Acid (C8H14O2) is an aliphatic carboxylic acid. Its molecular weight is approximately 142.20 g/mol. The presence of the cyclopentyl group confers a degree of lipophilicity, while the carboxylic acid functional group allows for a wide range of chemical transformations. It is typically supplied as a clear, colorless to yellow liquid, with a boiling point around 130-132 °C at 12 mmHg and a density close to 0.996 g/mL at 25 °C. These physical properties are essential for chemists when designing reaction conditions and purification protocols. For those looking to buy this compound, knowing these details is crucial for assessing its suitability.

The primary application of 3-Cyclopentylpropionic Acid lies in its use as a pharmaceutical intermediate. It serves as a critical building block for synthesizing various Active Pharmaceutical Ingredients (APIs). Its structure can be incorporated into larger molecules to modify their biological activity, solubility, or pharmacokinetic profiles. Researchers and development scientists often seek out high-purity grades of this acid to ensure the efficacy and safety of the final drug products. Suppliers who can consistently deliver material meeting these exacting standards are highly valued.

Beyond pharmaceuticals, this acid can also find utility in broader organic synthesis as a reagent or a precursor for specialty chemicals. Its availability from reliable manufacturers and suppliers, often with competitive pricing, makes it an accessible component for a wide array of research and industrial applications. When sourcing, paying attention to synonyms such as cyclopentanepropanoic acid or Cypionic acid can help broaden your search for the best available sources and pricing. For procurement managers, a consistent supply of high-quality 3-Cyclopentylpropionic Acid is fundamental to ongoing project success.