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

Last Updated: December 13, 2025

Bulk Pharmaceutical API Sources for SULTRIN


✉ Email this page to a colleague

« Back to Dashboard


Bulk Pharmaceutical API Sources for SULTRIN

Vendor Vendor Homepage Vendor Sku API Url
ChemExper Chemical Directory ⤷  Get Started Free jleQb@LQ``P@cIIBhhehldmNBeZ`X@@`@@@ ⤷  Get Started Free
Sigma-Aldrich ⤷  Get Started Free S9757_SIGMA ⤷  Get Started Free
NovoSeek ⤷  Get Started Free 5319 ⤷  Get Started Free
MP Biomedicals ⤷  Get Started Free 102981 ⤷  Get Started Free
TCI (Tokyo Chemical Industry) ⤷  Get Started Free S0582 ⤷  Get Started Free
MolPort ⤷  Get Started Free MolPort-003-666-285 ⤷  Get Started Free
Vitas-M Laboratory ⤷  Get Started Free STK985629 ⤷  Get Started Free
>Vendor >Vendor Homepage >Vendor Sku >API Url

Bulk Active Pharmaceutical Ingredient (API) Sources for Sultrin

Last updated: July 30, 2025

Introduction

The global pharmaceutical industry emphasizes reliable, high-quality sourcing of Active Pharmaceutical Ingredients (APIs) to ensure drug efficacy, patient safety, and regulatory compliance. Sultrin, a combination antibiotic formulation primarily used to treat urinary tract infections (UTIs), contains active ingredients such as sulfamethoxazole and trimethoprim. Securing consistent, regulatory-compliant API supplies for these components is fundamental for pharmaceutical manufacturers. This article examines the primary bulk API sources for Sultrin, analyzing supplier credentials, geographic distribution, manufacturing standards, and market trends to aid decision-making in procurement strategies.

Overview of Sultrin and Its API Components

Sultrin combines two antibiotics:

  • Sulfamethoxazole: A sulfonamide antibiotic inhibiting bacterial folic acid synthesis.
  • Trimethoprim: An antibiotic targeting bacterial dihydrofolate reductase, synergistically enhancing antimicrobial activity.

The stability and bioavailability of Sultrin hinge critically on the purity and quality of these APIs. Regulatory agencies mandate stringent quality standards, including compliance with USP, EP, BP, and ICH standards. Therefore, sourcing from licensed, reputable suppliers is essential.

Global API Manufacturing Landscape

The API manufacturing sector exhibits a diverse geographic distribution, primarily concentrated in:

  • India
  • China
  • Europe
  • North America

Among these, Indian and Chinese manufacturers dominate due to cost-effective production and expansive chemical manufacturing infrastructures. European and North American suppliers often focus on high-margin specialty APIs and compliance with stringent Good Manufacturing Practice (GMP) standards.

Key API Suppliers for Sulfamethoxazole

Indian Manufacturers

India is the world's largest producer of generic APIs, supplying approximately 70% of global demand for antibiotics like sulfamethoxazole.

  • Sun Pharmaceutical Industries Ltd.
    Recognized for extensive API manufacturing capabilities, Sun Pharma adheres to international GMP standards, with facilities certified by the US FDA and EU regulatory authorities. Their sulfamethoxazole APIs meet USP and EP specifications.

  • Glenmark Pharmaceuticals
    A major player with GMP-compliant facilities, Glenmark produces high-purity sulfamethoxazole APIs for global export. Their quality management systems align with international benchmarks.

  • Lupin Ltd.
    Produces sulfamethoxazole APIs adhering to rigorous quality controls, with numerous regulatory certifications enabling access to markets requiring high regulatory scrutiny.

Chinese Manufacturers

China dominates the production of bulk APIs, offering cost advantages and a large manufacturing capacity.

  • Hefei TNJ Chemical Industry Co., Ltd.
    Certified GMP producer, supplying sulfamethoxazole APIs complying with USP and other pharmacopeias.

  • Jiangsu Haineng Pharmaceutical Co., Ltd.
    Known for scale manufacturing and export focus, their APIs meet international standards, certified by ISO and Chinese GMP.

  • Shandong Lukang Pharmaceutical Group Co., Ltd.
    Provides sulfamethoxazole APIs with globally recognized quality certifications, actively expanding their export footprint.

European and North American API Suppliers

High-quality providers in Europe and North America mainly serve specialty markets or R&D purposes but are also involved in the production of sulfamethoxazole APIs.

  • CAMACHO Pharmaceutics Inc. (Canada):
    Offers high-purity sulfamethoxazole APIs complying with the strictest regulatory standards, including FDA and EMA.

  • Evonik Industries (Germany):
    Provides specialty APIs with a focus on pharmaceutical excipients; sulfamethoxazole APIs are available through their extensive network.

Trimethoprim API Sources

Key global suppliers include:

  • Sun Pharmaceutical Industries Ltd. (India):
    Significant capacity, high compliance standards.

  • Medichem S.A. (Spain):
    Focused on regulated markets, with GMP-certified trimethoprim APIs.

  • Hefei TNJ Chemical Industry Co., Ltd. (China):
    As above, offers trimethoprim APIs with competitive pricing and certifications.

  • United States Pharmacopeia (USP) references various verified API producers providing trimethoprim globally, often through authorized distributors.

Regulatory Compliance and Certification

Manufacturers supplying APIs for Sultrin must comply with stringent quality standards:

  • GMP Certification
    Mandated for APIs destined for pharmaceutical formulation.

  • Pharmacopoeial Standards
    USP, EP, BP specifications to ensure purity, potency, and stability.

  • Regulatory Approvals
    US FDA, EMA, Health Canada approvals are critical for market access, especially in high-regulation regions.

  • Environmental and Quality Audits
    Regular audits ensure adherence to safety, environmental, and quality norms.

Market Trends and Procurement Strategies

Recent trends indicate a shift toward quality-assured API sourcing, especially in the wake of global supply chain disruptions. Pharmaceutical companies increasingly prioritize:

  • Supplier qualification programs to validate quality systems.
  • Dual sourcing strategies to mitigate supply risks.
  • Vertical integration—some companies invest in in-house API manufacturing.
  • Strategic partnerships with established API producers for guaranteed quality and supply stability.

Emerging markets like India and China continue expanding capacities, with increasing focus on compliance and quality improvement to meet global demand and regulatory expectations.

Quality Assurance and Due Diligence

To ensure API quality:

  • Conduct comprehensive supplier audits.
  • Review GMP certification and regulatory compliance history.
  • Verify API stability, assay, and impurity profiles through laboratory testing.
  • Seek suppliers with robust traceability and batch documentation.

Conclusion

For pharmaceutical manufacturers producing Sultrin, sourcing bulk APIs—sulfamethoxazole and trimethoprim—from reputable, compliant suppliers is vital. Indian and Chinese manufacturers dominate due to cost advantages and extensive capacity, but European and North American providers are preferred for high-regulatory requirement markets. A balanced combination of cost-efficiency, quality assurance, and regulatory alignment guides optimal API sourcing strategies.


Key Takeaways

  • India and China are primary sources for Sultrin API components, offering scale and cost benefits.
  • European and North American suppliers focus on high-quality, tightly regulated APIs suitable for sensitive markets.
  • Compliance with GMP and pharmacopoeial standards is non-negotiable for API suppliers.
  • Robust supplier qualification processes mitigate risks associated with global supply chain disruptions.
  • Strategic diversification of API sources enhances supply stability and regulatory compliance.

FAQs

1. What are the primary regulatory considerations when sourcing APIs for Sultrin?
Manufacturers must ensure API suppliers hold GMP certifications, meet pharmacopoeial standards (USP, EP, BP), and have regulatory approvals (FDA, EMA). Ongoing quality audits and documentation traceability are also critical.

2. How does supplier certification impact API quality?
Certifications like GMP, ISO, and pharmacopoeial approvals verify that the supplier adheres to established quality management systems, reducing risks of contamination, impurities, and batch inconsistencies.

3. Are there regional differences in API quality standards?
While global standards aim for consistency, regulatory agencies such as the FDA and EMA have stricter oversight, often requiring additional validation for suppliers outside Europe and North America. Indian and Chinese suppliers have increasingly obtained certifications aligning with these standards.

4. What role do emerging markets play in API supply for Sultrin?
Emerging markets like India and China significantly expand global API capacity due to cost advantages and manufacturing scale, meeting both domestic and international demand. Ensuring these supplies meet regulatory standards is key.

5. How can pharmaceutical companies mitigate risks associated with API supply chains?
Implementing dual sourcing, conducting thorough supplier audits, monitoring quality metrics, establishing long-term vendor relationships, and maintaining inventory buffers are effective strategies.


Sources:

[1] U.S. Pharmacopeia (USP). "API Certification."
[2] GlobalData. "API Market Trends and Suppliers."
[3] Indian Drug Manufacturers' Association (IDMA). "API Manufacturing Capabilities."
[4] Chinese Pharmacopoeia. "API Standards and Certification."
[5] European Medicines Agency (EMA). "API Quality Standards."

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.