Category
Small Molecule CDMOs
Compare small molecule CDMOs for API synthesis, drug product formulation, and finished dosage manufacturing. Filter by chemistry capabilities, scale, and regulatory approvals.
407 companies listed
About Small Molecule Manufacturing
Small molecule manufacturing covers two distinct stages: active pharmaceutical ingredient (API) synthesis and drug product (DP) formulation. API work involves multi-step chemical synthesis, from kilo-lab through pilot-plant to commercial scale. Drug product work transforms the API into tablets, capsules, injectables, or other dosage forms.
Process chemistry is where projects succeed or fail. Look for CDMOs with strong route scouting and process optimization capabilities. A good CDMO can improve yields by 20-40% during scale-up, saving months of development time. Crystallization expertise is particularly critical for controlling polymorphic form and particle size distribution.
How does your CDMO handle potent compounds? Many oncology and hormonal APIs require OEB4 or OEB5 containment. Not every small molecule CDMO has the engineering controls for sub-microgram exposure limits. Verify containment capabilities early -- retrofitting is expensive and slow.
Companies (407)
Rioja Nature Pharma
Spain
Rioja Nature Pharma is a Spanish CDMO specializing in nutraceuticals and food supplements, founded in 2009 in Calahorra, La Rioja. The company manufactures softgels, capsules, tablets, powders/sachets, and liquid products under contract for third-party brands. While described as a CDMO on industry platforms, their core focus is food supplement and nutraceutical contract manufacturing rather than pharmaceutical drug manufacturing.
Small Molecule Drug ProductOral Solid DoseFormulation Development
Rommelag CDMO GmbH (Rommelag Pharma Service)
Germany
Rommelag CDMO GmbH (Rommelag Pharma Service) is a German company that invented Blow-Fill-Seal (BFS) technology for aseptic packaging of liquid pharmaceutical products. The CDMO division provides contract filling services and product development support for liquid and semi-solid pharmaceutical products using BFS technology. Rommelag also manufactures the bottelpack BFS filling machines (up to 37,500 containers/hour) and provides comprehensive lifecycle services including qualification, validation, and factory planning.
Frequently Asked Questions
What is the difference between API and drug product manufacturing?+
API (Active Pharmaceutical Ingredient) manufacturing produces the chemical compound that provides therapeutic effect. Drug product manufacturing takes that API and formulates it into the final dosage form patients receive -- tablets, capsules, injectables, creams, etc. Some CDMOs handle both; many specialize in one.
How do you choose a small molecule CDMO?+
Match your project stage to the CDMO's capabilities. Early-phase needs: strong process chemistry and flexibility. Late-phase needs: validated manufacturing, regulatory filing support, and commercial-scale capacity. Check their experience with your reaction types (hydrogenation, cryogenic, high-pressure) and any special handling requirements (potent, controlled substances).
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