You're using a free limited version of DrugPatentWatch: Upgrade for Complete Access

Last Updated: December 16, 2025

Bulk Pharmaceutical API Sources for COTRIM D.S.


✉ Email this page to a colleague

« Back to Dashboard


Bulk Pharmaceutical API Sources for COTRIM D.S.

Vendor Vendor Homepage Vendor Sku API Url
AKos Consulting & Solutions ⤷  Get Started Free AKOS030548395 ⤷  Get Started Free
BOC Sciences ⤷  Get Started Free 8064-90-2 ⤷  Get Started Free
MuseChem ⤷  Get Started Free R063307 ⤷  Get Started Free
BLD Pharm ⤷  Get Started Free BD658628 ⤷  Get Started Free
Molport ⤷  Get Started Free MolPort-046-692-421 ⤷  Get Started Free
THE BioTek ⤷  Get Started Free bt-287023 ⤷  Get Started Free
>Vendor >Vendor Homepage >Vendor Sku >API Url

Bulk Active Pharmaceutical Ingredient (API) Sources for: COTRIM D.S.

Last updated: August 15, 2025


Introduction

COTRIM D.S., a well-established antibiotic combination, is widely used in clinical settings to treat various bacterial infections. Its efficacy hinges on the quality of its active pharmaceutical ingredients (APIs), specifically trimethoprim and sulfamethoxazole. Ensuring a reliable and high-quality supply chain of these APIs is vital for pharmaceutical manufacturers, regulatory agencies, and healthcare providers. This article provides a comprehensive overview of bulk API sources for COTRIM D.S., addressing manufacturing practices, global supplier landscapes, regulatory considerations, and market dynamics.


Overview of COTRIM D.S. and Its API Components

COTRIM D.S. combines two key APIs:

  • Trimethoprim: A dihydrofolate reductase inhibitor that prevents bacterial DNA synthesis.
  • Sulfamethoxazole: A sulfonamide that inhibits dihydropteroate synthase, disrupting folic acid synthesis.

Both APIs synergistically eradicate susceptible bacteria. The quality, purity, and consistency of these APIs are critical to ensure drug safety and efficacy.


Global API Manufacturing Landscape

Leading Regions and Countries

India

India remains a prominent hub for bulk API manufacturing, accounting for approximately 60% of global supply, driven by cost advantages, established pharmaceutical excipient networks, and extensive manufacturing expertise. Major Indian API producers of trimethoprim and sulfamethoxazole include:

  • Glenmark Pharmaceuticals – Known for high-quality production aligned with international standards.
  • Aurobindo Pharma – Supplies a wide range of antibiotics, including trimethoprim and sulfamethoxazole.
  • Cipla – Focuses on cost-efficient manufacturing with stringent quality assurance.

China

China has significantly increased its API production capacity, especially in the last decade, leveraging large-scale manufacturing infrastructure. Notable Chinese API manufacturers include:

  • Hubei Wuchang Pharmaceutical Group
  • Shandong Xinhua Pharmaceutical

Their API quality has improved through stricter compliance with cGMP (current Good Manufacturing Practice) standards but requires careful verification for regulatory approval.

Europe and North America

While relatively smaller in scale, European and North American API manufacturers emphasize high regulatory compliance and quality standards:

  • BASF (Germany) – Known for premium chemical synthesis capabilities.
  • Cambridge Bioprocessing – Offers APIs with advanced quality control standards.
  • Sandoz (Novartis) – Provides APIs to comply with stringent pharmaceutical regulations.

Quality Standards and Regulatory Compliance

API manufacturing sources must adhere to regulatory frameworks such as:

  • United States Pharmacopeia (USP)
  • European Pharmacopoeia (Ph. Eur.)
  • WHO Quality Assurance Standards
  • cGMP compliance for manufacturing and quality control

Suppliers with certifications from regulatory authorities like the USFDA, EMA, or WHO prequalification are preferred, ensuring APIs meet international safety and efficacy standards.


Key Criteria for Selecting API Suppliers

  • Manufacturing Capacity and Scalability
  • Regulatory Compliance and Certification
  • Quality Assurance and Control Practices
  • Cost and Lead Time
  • Traceability and Supply Chain Integrity
  • Environmental and Ethical Manufacturing Standards

Major Suppliers of Trimethoprim and Sulfamethoxazole

Indian Suppliers

  • Granules India – Approved for international markets, compliant with cGMP.
  • Macleods Pharmaceuticals – Recognized for high-quality API production.
  • Suven Life Sciences – Supplies APIs meeting global quality benchmarks.

Chinese Suppliers

  • Hubei Wuchang Pharmaceutical Group
  • North China Pharmaceutical Group Corporation (NCPC)

European and North American Suppliers

  • BASF – Organic synthesis expertise, high-quality standards.
  • Polpharma (Poland) – Supplies APIs in compliance with European standards.

Challenges and Considerations in API Sourcing

  • Quality Variability: Ensuring API consistency across batches from different suppliers.
  • Regulatory Approval Processes: Certification and approval delays may impact supply.
  • Supply Chain Disruptions: Political, economic, or logistical issues influencing availability.
  • Cost Pressures: Balancing quality with competitive pricing.
  • Environmental and Ethical Concerns: Adherence to sustainable manufacturing practices.

Market Trends and Future Outlook

  • Increasing Quality Standards: Stricter global regulations drive suppliers toward higher quality and transparency.
  • Emerging Markets: Countries like Bangladesh and Vietnam are strengthening their API manufacturing capabilities.
  • Supply Chain Diversification: Pharmaceutical companies are diversifying sources to mitigate risks.
  • Generic Drug Market Growth: Expanding demand for low-cost APIs fuels manufacturing investments.

Conclusion

For manufacturers of COTRIM D.S., sourcing APIs entails meticulous evaluation of suppliers based on quality, compliance, capacity, and reliability. Indian and Chinese API producers dominate the landscape, offering cost-effective options with improving regulatory compliance. European and North American suppliers provide high-quality APIs aligned with stringent standards but at higher costs. Strategic partnerships, rigorous quality assurance, and supply chain resilience are paramount to ensure uninterrupted production of COTRIM D.S.


Key Takeaways

  • Indian and Chinese API suppliers are principal sources for trimethoprim and sulfamethoxazole, with India leading global production due to cost and capacity advantages.
  • Regulatory compliance, including cGMP certification and international standards, is critical when selecting suppliers.
  • Diversification of API sources mitigates supply risks amid geopolitical and logistical uncertainties.
  • High-quality API sourcing ensures therapeutic efficacy, safety, and regulatory approval of COTRIM D.S.
  • Ongoing market trends favor increased transparency, quality improvements, and sustainable manufacturing practices.

FAQs

Q1: What are the most reputable API manufacturers for trimethoprim and sulfamethoxazole?
A1: Reputable manufacturers include Glenmark Pharmaceuticals, Aurobindo Pharma, and Cipla from India, along with Chinese suppliers like Hubei Wuchang Pharmaceutical Group. Suppliers with international regulatory certifications such as USFDA and EMA are preferred for quality assurance.

Q2: How does regulatory compliance impact API sourcing decisions?
A2: Regulatory compliance ensures APIs meet safety, quality, and efficacy standards. Suppliers with certifications from agencies like USFDA, EMA, or WHO facilitate smoother approval processes and reduce compliance risks.

Q3: Are Chinese APIs suitable for pharmaceutical production of COTRIM D.S.?
A3: Chinese APIs have improved significantly, with many manufacturers meeting international standards. However, thorough qualification, including auditing and certification, is essential to ensure they meet specific product requirements.

Q4: What measures can manufacturers take to ensure API quality and supply continuity?
A4: Conduct rigorous supplier qualification, perform regular quality audits, establish dual sourcing strategies, and monitor supply chain logistics to reduce disruption risks.

Q5: What future trends are shaping API sourcing for antibiotics like COTRIM D.S.?
A5: Trends include stricter quality standards, increased regulatory scrutiny, market diversification, and sustainability initiatives. These dynamics push suppliers toward higher transparency, better environmental practices, and compliance.


References

  1. [1] U.S. Food & Drug Administration (FDA). Guidance for Industry: A Guide to Inspections of Drug Manufacturers.
  2. [2] WHO. Good Manufacturing Practices (GMP) for Active Pharmaceutical Ingredients.
  3. [3] MarketResearch.com. Global API Market Analysis and Trends 2023.
  4. [4] Indian Pharmaceutical Alliance. API Manufacturing Capabilities in India.
  5. [5] European Medicines Agency (EMA). Standards for Active Substance Manufacturers.

More… ↓

⤷  Get Started Free

Make Better Decisions: Try a trial or see plans & pricing

Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. We do not provide individual investment advice. This service is not registered with any financial regulatory agency. The information we publish is educational only and based on our opinions plus our models. By using DrugPatentWatch you acknowledge that we do not provide personalized recommendations or advice. thinkBiotech performs no independent verification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.