Import 3-Cyclopentene-1-Carboxylic Acid — Buy in Bulk from Supplier in China

3-Cyclopentene-1-carboxylic acid (CAS 7686-77-3) is an unsaturated cyclic carboxylic acid with the molecular formula C6H8O2, typically appearing as a colourless solid or liquid depending on purity and storage conditions. Shenzhen Penking Biochemical Technology Co., Ltd. positions this compound as a building block for pharmaceutical, agrochemical, and speciality chemical synthesis. The cyclopentene ring with a pendant carboxylic acid group enables Diels-Alder chemistry, metal-catalysed cross-coupling, and peptide coupling reactions that are foundational to modern medicinal chemistry programmes.

The material's unsaturation and carboxylic acid functionality make it susceptible to oxidative degradation and dimerisation under ambient conditions if not properly stabilised. Typical industry specifications for such pharmaceutical-grade intermediates include purity above 98.0% by area percent HPLC, with specific limits on related substances and residual solvents according to ICH Q3C guidelines. The acid value, melting point or refractive index, and water content by Karl Fischer are standard parameters that should appear on any Certificate of Analysis. Shenzhen Penking's source description references high purity and stable properties across temperature ranges, though exact numerical values are not provided and must be requested directly.

End-use markets span generic API synthesis, crop protection chemistry, and advanced material research. Buyers include pharmaceutical contract research organisations, agrochemical formulators, and university procurement offices. Trade handling for this solid organic acid typically involves HDPE drums with desmoisture sachets or aluminium laminate bags within fibre drums for air shipment. Importers should clarify with Shenzhen Penking whether their batches are produced under GMP-like conditions, what documentation package accompanies export orders, and whether the company has experience supplying regulated pharmaceutical markets outside China.

Shenzhen Penking Biochemical Technology Co., Ltd. operates from 6a, Building B, Xili Sport Center, Zhugu, Shenzhen 518055, Guangdong, China. The supplier holds an imported supplier tier and harbour trust tier classification on the platform, with a response rate of 0.00% and no recorded average response hours. This lack of platform engagement means buyers should establish direct communication channels, potentially via the Shenzhen address or verified trade contact details, rather than relying on messaging systems.

The company's profile centres on biochemical and pharmaceutical intermediates, with this listing emphasising 3-cyclopentene-1-carboxylic acid for organic synthesis applications. No verified ISO certificates, production facility audits, annual turnover, employee numbers, or named customers are present in the source data, despite generic references to certifications. The Shenzhen location offers proximity to Hong Kong port and airport logistics, but buyers must independently verify export licence status, hazardous substance handling permits, and whether the quoted address represents manufacturing or trading office functions before placing orders.