Reliable Supply Of Active Pharmaceutical Ingredients

Siegfried ensures reliable access to high-quality pharma APIs through a secure supply chain, regulatory expertise, and a global distribution network serving more than 70 countries. Our customers benefit from world-class technical and regulatory support backed by our expertise in API development and manufacturing.

Your trusted partner for generic APIs

• Expertise: Decades of experience manufacturing a wide portfolio of pharma APIs, including controlled substances
• Reliability: Secure and reliable supply through close collaboration with key partners along the value chain
• Quality: Outstanding quality and regulatory track record

Siegfried offers a broad portfolio of generic APIs including controlled substances, focused on anesthetics, analgesics, decongestants, addiction treatment, and a variety of other therapeutic indications. In addition, we offer pharma grade caffeine for use in pharmaceutical and nutritional applications.

Addiction treatment and abuse prevention

Siegfried is a trusted partner for high-quality generic active pharmaceutical ingredients (APIs) supporting addiction treatment and abuse prevention. With world-scale manufacturing capabilities, an integrated supply chain, and extensive regulatory expertise, we ensure reliable supply to global markets. Our comprehensive portfolio includes Naloxone, Buprenorphine, Methadone, Naltrexone, and other highly regulated APIs, backed by decades of experience in complex pharmaceutical manufacturing.

Security of supply with world-scale manufacturing

Siegfried operates a globally leading in-house manufacturing platform for Naloxone salt APIs, complemented by a leading position in Buprenorphine manufacturing. This integrated manufacturing network helps ensure security of supply and reliable delivery to highly regulated markets. Through our subsidiary, Extractas Biosciences, Siegfried also produces key alkaloid-based starting materials, including Oripavine and Thebaine, strengthening control over the supply chain.

Global registrations and regulatory expertise

The Nal-family of APIs is registered in all major regulatory regions worldwide, including Brazil, South Korea and China. Combined with extensive regulatory expertise, Siegfried supports customers in navigating global registration requirements and maintaining compliance throughout the product lifecycle.

A broad and specialized portfolio

Siegfried offers a comprehensive portfolio of Naloxone salt APIs alongside extensive expertise in complex, tightly regulated APIs, including Buprenorphine and Methadone.

ADHD

At Siegfried, we empower our customers with strategic partnerships across the entire ADHD technology landscape. Leveraging our renowned expertise in controlled substances and a legacy of consistent supply, Siegfried delivers a comprehensive range of high-quality ADHD active pharmaceutical ingredients (APIs) , including Methylphenidate HCl, Dexmethylphenidate, and Amphetamine salts. Our commitment to innovation and reliability ensures that you receive products tailored to your needs. With established world-scale manufacturing in EU & US, we are the leading manufacturer and able to support customers globally.

Reliable supply from small-scale to multi-metric ton volumes

We support demand from small-scale development through multi-metric ton commercial production, with a flexible supply model designed for both early-stage programs and established products. Our manufacturing capacity enables us to meet growing demand as your product advances.

Dual‑region manufacturing across Europe and the US

Siegfried manufactures controlled-substance APIs in both the United States and Europe, offering regional supply options aligned with customer and market needs. Our proven long-term execution model, combined with backward integration for selected APIs in our ADHD portfolio, helps support continuity of supply even in quota-constrained environments.

Custom particle size options based on customer requirements

We offer flexible particle size options that can be aligned with specific product requirements, supporting customers with different formulation and manufacturing process needs.

Anesthetics

Siegfried is a long-standing partner in anesthetic active pharmaceutical ingredients (APIs), supporting customers with established products across a wide range of markets. Our portfolio is built on decades of experience in local anesthetics and supported by industrial, regulatory and supply capabilities needed for long-term commercial support.

Broad portfolio of local anesthetic APIs across key applications

Siegfried offers a broad portfolio of generic anesthetic APIs for injectable, topical and ophthalmic applications, allowing customers to source multiple products from one trusted partner.

European manufacturing with decades of know-how

With three cGMP, FDA-inspected production facilities in Switzerland and France, Siegfried offers a reliable European supply for anesthetic APIs. We are able to deliver consistent high quality and reliable supply thanks to decades of process and manufacturing experience.

Regulatory support for all markets

Siegfried provides regulatory documentation such as CEP, USDMF, JDMF or local ASMF depending on product. This ensure a strong base for customers active in international markets and looking for a partner with established dossiers and regulatory expertise across regions.

Cannabinoids

Siegfried provides high-quality synthetic cannabinoid active pharmaceutical ingredients (APIs) for pharmaceutical applications, combining decades of controlled-substance expertise with advanced development and manufacturing capabilities. Our integrated supply chain, GMP manufacturing footprint in the United States and Europe, and regulatory experience enable reliable supply of cannabinoid APIs to support customers from development through commercial scale.

High-purity synthetic cannabinoid APIs

Advanced synthetic routes enable the production of high-purity cannabinoid APIs, including Cannabidiol (CBD) and Dronabinol, designed to meet stringent pharmaceutical quality requirements.

Integrated supply chain and reliable global supply

Our integrated supply model, supported by qualified raw material suppliers and manufacturing capabilities in both the United States and Europe, helps ensure supply continuity and flexibility for customers worldwide.

Controlled-substance expertise and regulatory support

With extensive experience in controlled substances, licensing, scale-up, and regulatory requirements, Siegfried supports customers in navigating the complexities of cannabinoid API development and commercialization.

Controlled substances

Siegfried is a trusted partner for controlled-substance active pharmaceutical ingredients (APIs), combining decades of experience with rigorous regulatory compliance and secure, reliable supply. As a fully backward integrated manufacturer with in-house accessibility to key raw material, we provide a fully independent supply chain and security of supply. Our strong governance, robust quality systems and proven manufacturing expertise enable customers to navigate highly regulated markets with confidence.

Regulatory expertise and compliance

Siegfried has extensive experience in controlled-substance regulations across major markets. In the United States, we support customers through robust DEA compliance and quota management, while in Europe we have deep expertise in licensing and quota management with national competent authorities. Strong internal controls and audit-ready documentation underpin reliable regulatory compliance throughout the supply chain.

Integrated supply chain

Siegfried’s backward integration for poppy straw-based key starting materials strengthens supply chain security and reliability. Through our subsidiary, Extractas Biosciences, we produce key alkaloid-based starting materials, including Oripavine and Thebaine, providing greater control over critical supply steps and direct access to high-purity narcotic raw materials.

Responsible stewardship

Siegfried is committed to the responsible manufacture and supply of controlled substances. Through rigorous governance, secure handling procedures and responsible supply principles, we help minimise the risk of diversion and misuse while ensuring these essential medicines remain available to the patients who need them.

Cough, cold and allergy

Siegfried is a trusted partner for active pharmaceutical ingredients (APIs) used in cough, cold and allergy medicines, such as Caffeine, Pseudoephedrine, Oxymetazoline or Xylometazoline. Our dedicated, world-scale manufacturing in Minden is the only of its kind in the Western hemisphere backed by strong commitment to regional supply sources secure independency and flexibility. With more than 75 years of experience, Siegfried stands for reliability and consistent long-term supply performance.

Reliable supply through backward integration

As the only world-scale producer of synthetic caffeine and pseudoephedrine in the Western Hemisphere, we help ensure a secure and resilient supply chain through backward integration, in-house manufacturing of all regulatory starting materials, multi-sourcing of raw materials, regional sourcing, and a global distribution network.

Quality and regulatory support

Our commitment to the highest quality standards and GMP compliance is complemented by regulatory support enabling access to more than 70 markets globally.

Customer focus

We put customers first by offering multiple particle size grades to meet a wide range of dosage form requirements, along with flexible packaging options in multiple pack sizes.

Pain management

Siegfried offers a broad portfolio of active pharmaceutical ingredients (APIs) for the treatment of acute and chronic pain. Our portfolio includes well-established molecules such as Hydrocodone, Codeine, Hydromorphone and Oxycodone, among others, supported by decades of expertise in the development and manufacture of highly regulated APIs. With established world-scale manufacturing in EU & US, we are the leading manufacturer and able to support customers globally.

Dual-region manufacturing

With manufacturing sites in both Europe and the United States, Siegfried provides regional supply options that enhance supply continuity and flexibility for customers serving regulated markets. Our established US manufacturing footprint and long-standing relationships with regulatory authorities support reliable market access and business continuity.

Broad portfolio and expertise

Siegfried combines a comprehensive API portfolio with deep expertise in the manufacture of highly regulated and controlled substances. Our scientific know-how, robust quality systems and regulatory experience enable us to consistently deliver products that meet the highest quality and compliance standards.

Reliable and integrated supply

A scalable global manufacturing network and an integrated supply chain help ensure a secure and reliable supply of critical APIs. Through its subsidiary, Extractas Biosciences, Siegfried produces key alkaloid-based starting materials, including Oripavine and Thebaine, providing greater control over critical supply steps and strengthening long-term supply security.

Reference standards

With over 300 reference standards in stock, we support regulatory filings and drug product release with fully characterized materials. We offer rapid development, custom impurity synthesis, and investigative services, shipping globally to more than 40 countries.