Biopharma PEG provides high-quality activated multi-arm PEG derivatives which can be crosslinked into hydrogels, with high purity and low polydispersity. Multi-arm PEG derivatives are mostly employed in the formation of hydrogels for controlled release of therapeutics; for use in medical devices; regenerative medicine; and in various other applications, including cell culture, wound sealing, and wound healing.

Biopharma PEG offers milligram to kilogram scale manufacture of multi-arm PEG derivatives in both GMP and non-GMP grades for your needs. Several multi-arm PEGs are listed below as hydrogels. Contact us at for more details. 

​[1] Hutanu, Daniela. (2014). Recent Applications of Polyethylene Glycols (PEGs) and PEG Derivatives. Modern Chemistry & Applications. 02. 10.4172/2329-6798.1000132. 

Catalog No. Name Structure M.W. Purity
A44027 4-ArmPEG-SG 4-ArmPEG-SG ≥95%
A88027 8-ArmPEG-SG 8-ArmPEG-SG ≥95%
A44022 4-ArmPEG-Mal 4-ArmPEG-Mal ≥95%
A44028 4-ArmPEG-SS 4-ArmPEG-SS ≥95%
A88028 8-ArmPEG-SS 8-ArmPEG-SS ≥95%
A44003 4-ArmPEG-SH 4-ArmPEG-SH ≥95%