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Tiantai Yisheng Biochemical Technology Co., Ltd. – Trusted manufacturer of high-purity pharmaceutical intermediates, APIs, and amino acid derivatives for global healthcare innovation.
Tiantai Yisheng Biochemical Co., Ltd. was established in July 2015 and is located in the Potang Industrial Zone, Tiantai, China. We specialize in the research and development of pharmaceutical raw materials and intermediates, with a strong focus on chiral synthesis through biosynthesis and asymmetric synthesis.
Our core product lines include intermediates for Ibrutinib, Duloxetine, Sitagliptin, Perindopril, Lifitegrast, and other key therapeutics across oncology, neurology, cardiovascular, diabetes, and antiviral fields. With over 80 skilled professionals—including PhDs, master’s, and bachelor’s degree holders—we have successfully industrialized multiple proprietary technologies.
We offer comprehensive solutions for pharmaceutical development and manufacturing, tailored to meet the evolving needs of global partners.
Contract manufacturing of APIs and intermediates with scalable production capacity, strict process control, and full regulatory compliance.
Custom research and process development for novel intermediates and APIs, including route scouting, optimization, and scale-up.
Full technical support including analytical method development, impurity profiling, and regulatory documentation for global submissions.
High-purity pharmaceutical intermediates and raw materials for oncology, diabetes, cardiovascular, neurology, and antiviral therapies.
CAS: Available upon request
Key building block for BTK inhibitors used in hematologic cancers.
CAS: 309956-78-3 | C10H20N2O2
Critical chiral intermediate for DPP-4 inhibitors in diabetes treatment.
High-purity chiral compound
Used in synthesis of SNRI antidepressants and chronic pain management drugs.
Immunomodulatory compound
Intermediate for dry eye disease therapeutics with high stereochemical purity.
CAS: 923-27-3 | C6H14N2O2
Non-natural amino acid for peptide synthesis and specialty pharmaceuticals.
HIV integrase inhibitor
High-purity intermediate for antiretroviral therapy in AIDS treatment.
ARB class antihypertensives
Scalable production of sartan-class intermediates with strict impurity control.
High-performance polymer
Specialty chemical for aerospace, electronics, and high-temperature applications.
Anticonvulsant building block
Chiral intermediate for epilepsy and neuropathic pain medications.
At YiSunBio, quality is the foundation of everything we do. Our QA/QC systems are designed to meet international standards, ensuring consistency, purity, and regulatory compliance across all batches.
For inquiries about our products, pricing, or custom synthesis services, please contact us directly.
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