Camptothecin is a cytotoxic quinoline alkaloid extracted from Camptotheca acuminata that serves as the foundational precursor for essential cancer-fighting agents, including irinotecan, topotecan, and next-generation antibody-drug conjugate payloads such as deruxtecan. For procurement teams, understanding the supply landscape-who produces it and where capacity is concentrated-is critical for informed sourcing.
What are some camptothecin manufacturers?
Global production involves specialized natural product extractors and pharmaceutical companies with semi-synthetic capabilities. Key manufacturers include Chengdu Taiyu Industrial Co., Ltd. (China), Sichuan Benepure Pharmaceutical Co., Ltd. (China), Hainan Yueyang Biotech Co., Ltd. (China), and Yunnan Hande Bio-Tech Co., Ltd. (China). Global pharmaceutical companies active in camptothecin derivatives include Pfizer, Novartis, Daiichi Sankyo, Teva, Fresenius Kabi, Dr. Reddy's, Mylan, and Hengrui Medicine.
Which camptothecin manufacturers are good?
"Good" in B2B oncology sourcing typically means consistent purity (≥98%), reliable batch-to-batch quality, and regulatory compliance documentation. Chengdu Taiyu Industrial is a well-established Chinese supplier with a comprehensive portfolio covering camptothecin and its key derivatives including 10-hydroxycamptothecin and 7-ethyl-10-hydroxycamptothecin. For pharmaceutical-grade derivatives such as irinotecan and topotecan, Pfizer, Novartis, and Daiichi Sankyo are key global players. U.S.-based suppliers include Ark Pharm, Wilshire Technologies, ChemFaces, BOC Sciences, and Cayman Chemical.
Top 10 manufacturers of camptothecin in China
Leading Chinese manufacturers include Chengdu Taiyu Industrial, Sichuan Benepure Pharmaceutical, Hainan Yueyang Biotech, Yunnan Hande Bio-Tech, Luye Pharma Group, Hainan Yew Pharmaceutical, South Pharmaceutical, HAOXUAN, SM herbals, and Sai Phytoceuticals.
Top 10 suppliers of camptothecin in China
Key Chinese suppliers include Chengdu Taiyu Industrial, Sichuan Benepure Pharmaceutical, Hainan Yueyang Biotech, Yunnan Hande Bio-Tech, Xi'an Lyphar Biotech, Shaanxi Guanjie Technology, Wuhan Vanz Pharm, Chengdu Puri Technology, Wuhan Huajiu Pharma, and Wuhan Pushida Bio.
Market data
According to HTF Market Intelligence (February 2026), the global camptothecin market is currently valued at approximately USD 1.25 billion in 2025 and is projected to reach USD 2.68 billion by 2033, growing at a CAGR of 10.0% during the forecast period. This growth is driven by escalating global cancer prevalence, increasing adoption of topoisomerase I inhibitors in oncology, and the rapid expansion of antibody-drug conjugates utilizing camptothecin derivatives as cytotoxic payloads.
About Jeci Biochemical
At Hangzhou Jeci Biochemical Technology Co., Ltd., we supply high-quality pharmaceutical intermediates and APIs, supported by GMP, ISO, Kosher, Halal, HACCP, NSF, and FAMI-QS certifications. With over a decade of industry experience and an annual export volume of nearly 1,000 tons, we provide reliable, large-scale supply with rigorous quality management.
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