In the intricate world of chemical synthesis, certain compounds serve as foundational elements, enabling the creation of a vast array of complex molecules. 4-Bromo-2-pentene, identified by its CAS number 1809-26-3, is one such pivotal compound, widely recognized for its utility in organic chemistry and its critical role as an intermediate in various industrial sectors, most notably pharmaceuticals.

Chemical Structure and Physicochemical Properties

Possessing the molecular formula C5H9Br and a molecular weight of 149.03 g/mol, 4-Bromo-2-pentene features a five-carbon chain with a double bond positioned between carbons 2 and 3, and a bromine atom attached to carbon 4. This structural configuration dictates its chemical behavior. Typically appearing as a white powder with an estimated boiling point of 114.3°C, its purity often reaches ≥99%, a testament to refined synthesis and purification processes. These high-purity standards are paramount when the compound is used as a precursor in the synthesis of Active Pharmaceutical Ingredients (APIs).

Synthesis Pathways and Chemical Transformations

The synthesis of 4-Bromo-2-pentene is typically achieved through established organic reactions. Common methods include the hydrobromination of 2-pentene or related dienes, where careful control of reaction conditions is employed to achieve the desired regioselectivity and yield. Its chemical reactivity is characterized by the lability of the bromine atom, making it an excellent substrate for nucleophilic substitution reactions. The presence of the double bond also allows for various addition reactions. These transformations are frequently leveraged by chemists to introduce specific functional groups or to extend molecular chains, facilitating the construction of complex organic frameworks. The availability to buy 4-bromo-2-pentene from trusted sources ensures consistency in these synthetic endeavors.

Industrial Applications and Market Insight

The foremost application of 4-Bromo-2-pentene lies in its role as a pharmaceutical intermediate. It serves as a crucial building block in the multi-step synthesis of numerous drugs, contributing to their therapeutic efficacy. Beyond pharmaceuticals, its versatility extends to the broader fine chemical industry, where it is utilized in the creation of specialized materials and research chemicals. The consistent demand for this compound means it is readily available from chemical manufacturers and suppliers. Factors such as the price of 4-bromo-2-pentene and the reliability of its supply chain are critical considerations for companies engaged in chemical research and production.

Ensuring Quality and Supply Chain Integrity

For organizations relying on 4-Bromo-2-pentene for their synthesis needs, sourcing from reputable vendors is essential. These suppliers typically provide comprehensive product specifications, including CAS numbers, purity assays, and material safety data sheets (MSDS). The availability of this intermediate at competitive prices, coupled with rigorous quality control, underpins the success of countless chemical research and manufacturing projects.

In conclusion, 4-Bromo-2-pentene (CAS 1809-26-3) stands as a testament to the importance of versatile chemical intermediates in driving innovation across scientific and industrial landscapes.