20+ Years of Chromatography Excellence
Separation is our scienceCollaboration is our strategy
Sepax Bioscience develops and manufactures process chromatography media for the global biopharmaceutical industry. Our resins support the entire product lifecycle from pre-IND stages through commercial GMP production.
Core Technologies
Products by Technology
Comprehensive chromatography solutions organized by separation principle. Select the technology that best fits your purification workflow.
HIC (Hydrophobic Interaction)
Phenyl, butyl, and octyl resins for hydrophobicity-based purification
SEC (Size Exclusion)
High-resolution and process-scale resins for size-based separation
RP (Reversed Phase)
Polymer and silica-based resins for peptide and small molecule purification
Purification Workflows
Applications by Molecule
End-to-end purification solutions tailored to your target biomolecule. Each workflow optimized with recommended product combinations.
Antibody Purification
mAbs, bispecifics, ADC, and Fc fusion protein purification
mRNA Purification
Complete mRNA purification from IVT to LNP
AAV Purification
Full/empty capsid separation and serotype purification
Plasmid Purification
High-purity pDNA for gene therapy and vaccines
More Applications
Insulin / GLP-1 / Peptide
Insulin, GLP-1, and therapeutic peptide purification
Recombinant Protein
Enzymes, growth factors, and therapeutic proteins
Oligo Nucleotides
ASO, siRNA, and modified oligo purification
Virus & Vaccine
Viral, VLP, and conjugate vaccine purification
Recombinant Albumin
High-purity recombinant human albumin
Plasma Products
Immunoglobulins, albumin, and coagulation factors
Technology Park
About Sepax Bioscience
More Than 20 Years of Chromatography Excellence
Sepax Bioscience, Inc. was established in 2022 in the USA as an additional entity within the Sepax industrial enterprise which originated with Sepax Technologies in 2002 at Delaware Technology Park.
Sepax has been dedicated to chromatography technology for over 20 years serving more than 5,000 customers worldwide. We develop and manufacture process chromatography media for the global biopharmaceutical industry.
- 20+ years dedicated to chromatography technology
- Serving 5,000+ customers worldwide
- Resins based on agarose, polymer, and silica
- From pre-IND to commercial GMP production
Our Advantages
Why Choose Sepax
Trusted by leading biopharma companies worldwide for mission-critical purification.
Scientific Excellence
20+ years of R&D in chromatography, delivering innovative solutions backed by rigorous scientific validation.
Regulatory Support
Comprehensive documentation including CoA, RSF, and DMF support to accelerate your regulatory submissions.
GMP Manufacturing
ISO-certified production facilities ensuring consistent quality from lab to commercial scale.
Fast Delivery
Global inventory network enables rapid fulfillment. Most products ship within 24-48 hours.
Technical Support
Dedicated application scientists available for process development and troubleshooting.
Global Reach
Serving customers in 60+ countries with local distribution partners and technical support.
Ready to Optimize Your Purification?
Our application scientists are here to help you select the right resins and develop robust purification processes for your biomolecules.