Separation is our science, Collaboration is our strategy
Abstract particle visualization representing chromatography separation

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.

20+
Years of Innovation
5,000+
Global Customers

Core Technologies

Products by Technology

Comprehensive chromatography solutions organized by separation principle. Select the technology that best fits your purification workflow.

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Affinity Resins
AF

Affinity Resins

Protein A and custom ligand resins for high-specificity capture

IEX (Ion Exchange)
IEX

IEX (Ion Exchange)

Strong and weak exchangers for charge-based separation

HIC (Hydrophobic Interaction)
HIC

HIC (Hydrophobic Interaction)

Phenyl, butyl, and octyl resins for hydrophobicity-based purification

SEC (Size Exclusion)
SEC

SEC (Size Exclusion)

High-resolution and process-scale resins for size-based separation

Mixed Mode
MM

Mixed Mode

Mixed-mode resins combining multiple interaction mechanisms

RP (Reversed Phase)
RP

RP (Reversed Phase)

Polymer and silica-based resins for peptide and small molecule purification

Sepax Bioscience headquarters at 5 Innovation Way
2002
Founded at Delaware
Technology Park

About Sepax Bioscience

More Than 20 Years of Chromatography Excellence

Founded in 2002, Sepax has grown into a global chromatography company serving more than 5,000 customers worldwide. Sepax Bioscience represents the company's expanding focus on bioprocess chromatography and biopharmaceutical purification solutions in the United States and global markets.

  • 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.