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Peptides and Oligonucleotide API Development and Manufacturing
Discover how CPC Scientific’s decades of experience in GMP manufacturing can support your peptide and oligonucleotide needs throughout the therapeutic lifecycle with our comprehensive CRDMO services. We specialize in synthetic peptide and oligonucleotide manufacturing for early-, late-phase development, and commercial production. CPC Scientific has had over 100 projects in clinical development (phases 1,2 and 3) with 10 commercial projects.
We are delighted to inform our clients that starting in 2024, CPC Scinetific will offer US-based manufacturing for peptide APIs. Building resilient supply chains will protect the United States from experiencing shortages of critical therapeutic products. CPC Scientific’s Rocklin, CA manufacturing facility will address the critical supply chain needs for peptide API’s beginning in 2024.
We would be happy to provide you with a peptide, oligonucletoide, or conjugate (POC) quotation:
GMP PROJECTS BY REGION
Global Late-Phase and Commercial Experience
| Project Location | Development Stage | |
|---|---|---|
 | USA | Approved |
 | Japan | Approved |
 | Europe Union | Approved |
 | UK | Approved |
 | Switzerland | Approved |
 | China | Approved |
 | Australia | Approved |
 | Russia and CIS | Approved |
CPC Scientific Inc., a leading global peptide CRDMO (Contract Research, Development, and Manufacturing Organization) has invested in a new peptide API (Active Pharmaceutical Ingredient) manufacturing site, bringing many new jobs to Rocklin, California. The 41,000 sq ft facility located at 3880 Atherton Rd, Rocklin, CA 95765 will be utilized to manufacture clinical to commercial grade peptide products for increased manufacturing capacity and will diversify CPC Scientific’s supply chain.
CPC Scientific is entering an exciting period of growth and innovation for peptide and oligonucleotide therapeutic development and manufacturing, and we will continue to provide therapeutic APIs to pharmaceutical and biotech companies around the world. We are very pleased to partner with the City of Rocklin, California to bring manufacturing and Life-Science jobs to local American workers,” said Shawn Lee, PhD, CEO.
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Connect with the right peptide expert now. CPC Scientific offers solutions in custom peptide synthesis, GMP manufacturing, late-phase drug development, and commercial manufacturing. Let us know your challenge and we’ll get back to you within 24 hours.
Latest Briefing from our Knowledge Center
Press Releases, Industry News, Events, and Technical Content
President Theresa Cheng spoke to PhD students at Weill Cornell Graduate School, sharing industry insights and exploring how academic research today can translate into tomorrow’s cutting-edge healthcare leadership.
CPC Scientific’s Rocklin facility is undergoing a major expansion to establish a 41,000 sq ft Center of Excellence for U.S.-based peptide API manufacturing. Construction is now underway—more updates coming soon.
At CPHI Frankfurt 2025, CPC Scientific will spotlight its position as a global leader in peptide and oligonucleotide CRDMO solutions. As the company’s largest event of the year, the showcase will emphasize innovation, regulatory excellence, and a proven track record of supporting partners worldwide. Visitors can connect with CPC Scientific’s leadership and scientific team at Booth 12.0F29 to explore new opportunities and collaborations.
Chen, D., Mirski, M. A., Chen, S., Bryden, W. A., McLoughlin, M., Kiser, K. M., Caton, E. R., Haddaway, C. R., Cetta, M. S., & Pan, Y. PNAS nexus (2024), 3(9).
Chayanon Ngambenjawong, Henry Ko, Tahoura Samad, Novalia Pishesha, Hidde L. Ploegh, and Sangeeta N. Bhatia. ACS Nano 2025 19 (10), 9958-9970.
Dakin, L.A., Xing, L., Hall, J. et al. Nat Commun 16, 4579 (2025).
Olivia R. Buonarati, Nidia Quillinan, K. Ulrich Bayer. bioRxiv 2025.
J. Zeng, G.W.Z. Loi, E.N. Saipuljumri, M.A. Romero Durán, O. Silva-García, J.M. Perez-Aguilar, V.M. Baizabal-Aguirre, & C.H. Lo. Proc. Natl. Acad. Sci. U.S.A. 2024 121 (14).