• Welcome to Yanfen Biotech LLC! We're thrilled to announce the launch of our new website in January 2024, continuing our commitment to providing top-quality products.

Yanfen Biotech LLC

Founded in 2018, Shanghai Yanfen Biochemical Technology Co., Ltd. has become a trusted global supplier of innovative, high-quality compounds for chemical researchers. We have established strong partnerships with research institutes, pharmaceutical manufacturers, and technology-driven enterprises worldwide. Our core product offerings include protected amino acids, PEG linkers, ADC linkers, SPPS resins, and peptide fragments. Supported by an in-house R&D team specializing in custom synthesis, we remain committed to delivering top-tier products and services while driving innovation in the field. In 2024, we expanded our global presence with the launch of Yanfen Biotech LLC in the U.S., further solidifying our role as a leader in the industry. We are dedicated to supporting the scientific community through our commitment to excellence.

Advancing Peptide Drug Innovation to Improve Global Health for All

Faced with the rapid development of protein targeted therapies through different channels in recent years, peptide drugs have become a new direction and field of research and development for many pharmaceutical companies and research institutes. Shanghai Yanfen Biochemical has established a protected amino acid library and upstream and downstream product library based on market demand, forming a relatively complete original supply chain system to provide convenient services for scientific researchers and material procurement personnel.

Custom Services

Shanghai Yanfen Biochemical utilizes its rich research and development experience and continuously expanding customized synthesis capabilities to provide customized services to some customers, including new product development, process validation, technical impurity removal and identification, and customized batch production. Assist in solving numerous problems during drug development and faithfully serve chemists.

Our Vision

Our vision is to simplify research and development, share the dividends of protein drugs with all humanity, continuously improve our products and services to meet market demand, and make the supply chain of drug synthesis more convenient and efficient.

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