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Accelerate your downstream process with high performance resins at short lead times 

Immediate availability of Purolite™ Praesto™ Jetted A50Purolite™ Praesto™ Jetted A50 HipH and Purolite™ Praesto™ 70 CH1.


As a trusted supplier to the world’s leading biopharma developers, Purolite’s goal is to streamline your mAb purification process. Our patented manufacturing method reduces resin production time and delivers a unique, uniform agarose base-matrix. This helps you to improve purification performance, simplify scale-up and shorten lead times.

By partnering with Purolite, you also receive our personalized technical support. Field-based Applications teams, regulatory experts and column packing specialists are with you every step of the way to optimize your process and accelerate your speed-to-market.

  • High recovery and purity for mAbs and recombinant proteins

  • Alkaline-stable for efficient CIP and sanitization

  • Elution up to pH 5

  • Lab to production-scale volumes available from ISO-accredited facilities

  • Global technical and regulatory support services

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Place your order or book a supply chain consultation today

Protein A resins

Praesto Jetted A50 HipH

A novel resin which utilizes innovative HipH ligand technology from Repligen. Praesto Jetted A50 HipH is the only commercially-available Protein A resin designed specifically for elution of Fc-containing molecules at up to pH 5.

View Specifications

Praesto Jetted A50

Trusted in clinical trials and FDA-approved commercial manufacturing processes, Praesto Jetted A50 is a high-performance agarose-based Protein A resin that delivers exceptional capacity, pressure flow and lifetime.

View Specifications

What do our customers say?

Colleagues from Purolite and Alvotech an Alvotech HQ in Iceland

Delivering reliability and innovation through Protein A resin supply at Alvotech

Since 2015, Purolite and Alvotech have developed a strong partnership, fostered by a shared goal of improving the accessibility of essential biologic medicines.
 
During the Covid-19 pandemic, while lead times with other suppliers were as high as 18 months, Purolite lead times for Protein A and Ion Exchange resins remained at 3 months. 

Read case study