High-Purity Monomers for Advanced Polymer Synthesis

At Nomisma Healthcare, we specialize in providing ultra-pure monomers for ring-opening polymerization (ROP) in the production of medical-grade and pharmaceutical-grade bioresorbable polymers. Our monomer portfolio includes L-Lactide, DL-Lactide, Glycolide, and Caprolactone – the essential building blocks for synthesizing PLGA, PLA, PGA, and PCL polymers used in drug delivery systems, tissue engineering scaffolds, surgical sutures, and implantable medical devices.

With purity levels exceeding 99.5% and manufacturing under strict GMP compliance, our monomers ensure consistent polymerization kinetics, predictable molecular weights, and reproducible material properties – critical factors for regulatory approval and clinical success.

Our Monomer Portfolio with Chemical Structures

1. L-Lactide (LLAC)

CAS Number: 4511-42-6 | Purity: ≥ 99.5%

Chemical Formula: C₆H₈O₄ | Molecular Weight: 144.13 g/mol

Chemical Structure:

Cyclic diester formed from two molecules of L-lactic acid

Applications: Primary monomer for synthesizing PLLA (Poly-L-lactic acid) and PLGA copolymers. Used in long-term implants, orthopedic fixation devices, and controlled drug delivery systems requiring slow degradation (12-24 months).

Key Properties: High crystallinity, excellent mechanical strength, slow degradation rate, biocompatible

2. DL-Lactide (DLLAC)

CAS Number: 95-96-5 | Purity: ≥ 99.5%

Chemical Formula: C₆H₈O₄ | Molecular Weight: 144.13 g/mol

Chemical Structure:

(Racemic mixture)

Racemic mixture of L- and D-lactide isomers

Applications: Produces PDLLA (Poly-DL-lactic acid) – an amorphous polymer with faster degradation than PLLA. Ideal for short-to-medium term drug delivery systems, microspheres, nanoparticles, and tissue engineering scaffolds (6-12 months degradation).

Key Properties: Amorphous structure, faster degradation, lower crystallinity, versatile processing

3. Glycolide (GLD)

CAS Number: 502-97-6 | Purity: ≥ 99.5%

Chemical Formula: C₄H₄O₄ | Molecular Weight: 116.08 g/mol

Chemical Structure:

Cyclic diester of glycolic acid – smallest lactone monomer

Applications: Essential monomer for PGA (Polyglycolic acid) and PLGA copolymers. Used in absorbable surgical sutures, rapid drug delivery systems, and tissue engineering. Provides faster degradation and higher tensile strength.

Key Properties: High crystallinity, excellent tensile strength, rapid hydrolysis, hydrophilic

4. ε-Caprolactone (CL)

CAS Number: 105-21-5 | Purity: ≥ 99.5%

Chemical Formula: C₆H₁₀O₂ | Molecular Weight: 114.14 g/mol

Chemical Structure:

  Seven-membered cyclic ester (lactone)

Applications: Monomer for PCL (Polycaprolactone) synthesis. Used in long-term implants (2-4 years), drug delivery systems, tissue engineering scaffolds, and 3D printing applications. Offers exceptional flexibility and slow degradation.

Key Properties: Low melting point (~60°C), excellent flexibility, very slow degradation, high biocompatibility

Standard Monomer Product Specifications

Polymer Synthesis from Our Monomers

Our high-purity monomers serve as the foundation for synthesizing a wide range of bioresorbable polymers through ring-opening polymerization (ROP):

PLGA (Poly(lactic-co-glycolic acid))

Monomers: L-Lactide/DL-Lactide + Glycolide

Applications: Drug delivery microspheres, nanoparticles, biodegradable sutures, tissue engineering scaffolds

PLA (Polylactic Acid)

Monomers: L-Lactide or DL-Lactide

Applications: Orthopedic implants, drug delivery systems, 3D printing filaments, packaging

PGA (Polyglycolic Acid)

Monomers: Glycolide

Applications: Absorbable surgical sutures, tissue engineering, rapid drug delivery

PCL (Polycaprolactone)

Monomers: ε-Caprolactone

Applications: Long-term implants, drug delivery, tissue engineering, 3D printing

Why Choose Nomisma Healthcare Monomers?

• Ultra-High Purity (≥99.5%): Minimizes impurities that can affect polymerization kinetics and final polymer properties
• GMP Manufacturing: Produced under strict Good Manufacturing Practice guidelines for pharmaceutical and medical device applications
• Consistent Quality: Batch-to-batch reproducibility ensures reliable polymer synthesis and regulatory compliance
• Global Supply Chain: Worldwide distribution with proper packaging and storage to maintain monomer stability
• Technical Support: Expert assistance with monomer selection, polymerization protocols, and application development
• Regulatory Documentation: Comprehensive Certificates of Analysis (CoA), Safety Data Sheets (SDS), and regulatory support files

Applications of Monomer-Derived Polymers

Our monomers enable the production of polymers for diverse biomedical and pharmaceutical applications:

• Controlled Drug Delivery: Microspheres, nanoparticles, implants for sustained release of therapeutics
• Tissue Engineering: Biodegradable scaffolds for bone, cartilage, skin, and vascular regeneration
• Surgical Sutures: Absorbable sutures that eliminate the need for removal
• Orthopedic Implants: Bone screws, pins, plates, and fixation devices
• Dental Applications: Guided tissue regeneration membranes, drug delivery systems
• 3D Printing/Bioprinting: Customized medical devices and tissue constructs
• Cosmeceuticals: Controlled release systems for active ingredients

Ready to Start Your Polymer Synthesis Project?

Partner with Nomisma Healthcare for premium-quality monomers that meet the highest standards for medical and pharmaceutical applications.

Contact us today to request samples, technical data sheets, pricing information, or regulatory documentation.

Frequently Asked Questions (FAQs)

Q: What is the difference between L-Lactide and DL-Lactide?

A: L-Lactide is the pure L-isomer that produces crystalline PLLA with slow degradation (12-24 months). DL-Lactide is a racemic mixture (50:50 L- and D-isomers) that produces amorphous PDLLA with faster degradation (6-12 months) and lower mechanical strength.

Q: How does monomer purity affect polymer properties?

A: High monomer purity (≥99.5%) is critical for controlling molecular weight, polydispersity, degradation rate, and mechanical properties. Impurities can act as chain terminators or initiators, leading to unpredictable polymerization and inconsistent material performance.

Q: What is ring-opening polymerization (ROP)?

A: ROP is a chain-growth polymerization where cyclic monomers (lactides, glycolide, caprolactone) open their rings and link together to form linear polymers. This process is typically catalyzed by metal catalysts (e.g., tin octoate) or enzymes.

Q: Can I request custom monomer specifications?

A: Yes! We offer custom synthesis services for specific purity levels, packaging requirements, and scale-up production. Contact our technical team to discuss your unique requirements.