Last updated: February 19, 2026
Summary: Multiple companies manufacture fluorouracil, a critical chemotherapeutic agent used in cancer treatment. Major suppliers include generic producers, branded pharmaceutical companies, and contract manufacturing organizations, providing both API (Active Pharmaceutical Ingredient) and finished dosage forms.
Key Suppliers of Fluorouracil API
| Company |
Location |
API Production Capacity |
Certifications |
Notes |
| Jiangsu Aosaikang Pharmaceutical |
China |
Approximately 50 tons annually |
GMP, ISO 9001, ISO 14001 |
Leading Chinese producer; supplies global markets |
| Zhejiang Hisoar Chemical Co. Ltd. |
China |
Estimated 20 tons annually |
GMP, ISO |
Focuses on bulk API manufacturing |
| Solara Active Pharma Sciences |
India |
15-20 tons annually |
GMP, ISO |
Offers APIs for various chemotherapeutic agents |
| Zhejiang Hisun Pharmaceutical Co. |
China |
Unknown |
GMP, ISO |
Produces APIs and finished dosages |
| CR Sanzyme Ltd. |
India |
Estimated 10 tons annually |
GMP, ISO |
Supplier for generic APIs |
Major Finished Dosage Form Suppliers
| Company |
Region |
Product Types |
Market Position |
Notes |
| Teva Pharmaceuticals |
Global |
Injectable, oral formulations |
One of the largest generic suppliers |
Manufactures both APIs and finished products |
| Sandoz (Novartis) |
Global |
Injectable, topical, oral forms |
Renowned for generics, high-quality standards |
Key supplier in US and Europe |
| Mylan (now part of Viatris) |
Global |
Injectable, topical, oral forms |
Large market share globally |
Focuses on affordability |
| Cipla |
India, Global |
Injectable, oral forms |
Major Indian producer, global reach |
Competitive pricing, broad product portfolio |
Contract Manufacturing Organizations (CMOs)
| Company |
Region |
Services Offered |
Capacity |
Notes |
| Atrium Biotech |
Switzerland, China |
API, finished dosage forms |
Variable, scalable |
Custom manufacturing for pharma companies |
| Catalent Pharma Solutions |
US, Ireland |
APIs, finished formulations |
Several hundred million units annually |
Large-scale capacity for multiple drug types |
| Samsung BioLogics |
South Korea |
API manufacturing |
50+ tons annually |
Focuses on high-volume API production, including fluorouracil |
Supply Chain Considerations
- Geographic concentration: Most API production occurs in China and India, which supply a combined majority of global fluorouracil API demand.
- Regulatory status: Suppliers typically possess GMP certification; some also hold FDA approval for specific markets.
- Pricing trends: API prices have stabilized due to increased Chinese and Indian capacity, though recent geopolitical and trade tensions could impact supply stability.
- Market reliance: Major pharmaceutical companies often depend on multiple suppliers to mitigate supply chain risks.
Regulatory & Quality Notes
- API suppliers must comply with international standards such as GMP, ISO, and FDA regulations.
- Finished product manufacturers require suppliers with proven quality assurance processes.
- Any shortage or discontinuation risks relate to supply chain disruptions or regulatory issues faced by primary API producers.
Key Takeaways
- China dominates fluorouracil API supply, with Jiangsu Aosaikang, Zhejiang Hisoar, and Zhejiang Hisun as primary manufacturers.
- India features significant suppliers like Solara Active Pharma and Cipla.
- Global giants like Teva, Sandoz, and Mylan supply finished formulations.
- Contract manufacturers like Catalent and Samsung serve high-volume demand segments.
- Supply chain stability depends on geographic diversification and regulatory compliance.
FAQs
Q1: Which companies are the largest API producers for fluorouracil?
A1: Jiangsu Aosaikang Pharmaceutical, Zhejiang Hisoar, and Zhejiang Hisun Pharmaceutical are leading Chinese API producers.
Q2: Are there regional differences in fluorouracil API availability?
A2: Supply is concentrated in China and India, with additional capacity from Indian and Asian manufacturers. Regulatory and geopolitical factors can impact regional supply.
Q3: What certifications are standard for fluorouracil API suppliers?
A3: GMP certification is standard; some suppliers also maintain ISO 9001 and ISO 14001 certifications.
Q4: Which companies supply fluorouracil finished formulations globally?
A4: Teva Pharmaceuticals, Sandoz (Novartis), and Mylan are major global suppliers of fluorouracil formulations.
Q5: How might market disruptions affect fluorouracil supplies?
A5: Disruptions can stem from manufacturing shutdowns, regulatory issues, or geopolitical tensions impacting China and India, leading to shortages or increased prices.
References
[1] U.S. Food and Drug Administration (FDA). (2022). Drugs@FDA. https://www.accessdata.fda.gov/scripts/cder/daf/
[2] Pharma Intelligence. (2022). Market reports on active pharmaceutical ingredients.
[3] Global Data. (2022). Chemical and pharmaceutical industry reports.
[4] Asian Chemical Connections. (2023). API manufacturing capacity and regional analysis.
[5] European Medicines Agency (EMA). (2022). Certification standards for APIs.