Product Name: N-3-Cyclopenten-1-yl-4-methylbenzenesulfonamide
Other Name: Benzenesulfonamide, N-3-cyclopenten-1-yl-4-methyl- (9CI); N-Cyclopent-3-enyl-4-methyl-benzenesulfonamide
CAS No.: 216578-30-2
Chemical Structure:

N-3-Cyclopenten-1-yl-4-methylbenzenesulfonamide Application:
N-3-Cyclopenten-1-yl-4-methylbenzenesulfonamide is a highly specialized organic compound combining the reactivity of a cyclopentenyl moiety with the stability of a sulfonamide group. Its molecular structure, consisting of a substituted benzenesulfonamide framework, enables unique chemical versatility and selectivity in various synthesis processes. This compound is particularly valued in pharmaceutical chemistry, as the sulfonamide functionality often serves as a pharmacophore in drug discovery, offering hydrogen-bonding potential and metabolic stability. Due to its defined stereochemical and electronic characteristics, it plays an essential role in the preparation of advanced intermediates, heterocyclic compounds, and fine chemicals. The compound’s excellent purity, stability, and compatibility with a wide range of reaction conditions make it suitable for both research-scale and industrial applications.
Applications:
Pharmaceutical Intermediate – N-3-Cyclopenten-1-yl-4-methylbenzenesulfonamide is widely utilized in the synthesis of drug candidates and active pharmaceutical ingredients (APIs), especially those involving sulfonamide or cyclopentane backbones. It contributes to the development of enzyme inhibitors, anti-inflammatory prototypes, and bioactive heterocycles due to its adaptable molecular architecture.
Advanced Organic Synthesis – The compound serves as a versatile building block for organic transformations such as amide coupling, electrophilic substitution, and heterocycle formation. It is frequently employed in medicinal chemistry programs and combinatorial synthesis for producing structurally complex molecules with high selectivity and yield.
Fine Chemical and Material Research – Owing to its reactive sulfonyl and cyclopentyl functionalities, it is used in the preparation of fine chemicals, functional monomers, and intermediates for specialty materials. Its well-defined structure allows chemists to explore new reaction pathways and molecular designs for advanced material science and catalytic chemistry.
Overall, N-3-Cyclopenten-1-yl-4-methylbenzenesulfonamide is a multifunctional compound that bridges fundamental research and industrial production. It delivers high performance in synthetic efficiency, chemical stability, and formulation adaptability, making it a preferred choice in modern chemical and pharmaceutical innovation.
N-3-Cyclopenten-1-yl-4-methylbenzenesulfonamide Packaging and Shipping:
Packaging: 1g/ bag, 10g/ bag, 1kg/bag or as customer’s required.
Shipping : DHL/ FedEx/ Air shipping
N-3-Cyclopenten-1-yl-4-methylbenzenesulfonamide Storage:
Please store in a well ventilated, dry place at 2-8 ℃ and avoid direct sunlight. When not in use, keep the container tightly closed. For long-term storage, keep it under -20℃.

