4arm PEG Polycaprolactone Block Copolymer (pentaerythritol)


Different branching,  MW combinations, and reactive groups may be available. Please contact us for info.


JenKem Technology manufactures 4arm PEG Polycaprolactone Block Copolymer (pentaerythritol) from laboratory scale to GMP commercial scale. 4arm PEG Polycaprolactone Block Copolymers (pentaerythritol) are biodegradable polymers employed in controlled release applications or for degradable medical devices.

4arm PEG Polycaprolactone Block Copolymer (pentaerythritol), PEG MW 2500, PCL MW 2500 (4ARM-PEG2500-b-PCL2500; item code A9012) has a superior quality specification of ≥95% Purity.

Different MW combinations and derivatized copolymers may be possible. Please contact us for detailed information on price and lead time.


1. Hutanu D, Frishberg MD, Guo L, Darie CC (2014) Recent Applications of Polyethylene Glycols (PEGs) and PEG Derivatives. Mod Chem appl 2:132. doi: 10.4172/2329-6798.1000132. Read about select applications of JenKem® PEGs in the medical device, drug development, and diagnostics areas, including drug delivery, wound healing, cell culture models, and tissue regeneration.

Founded in 2001 by experts in PEG synthesis and PEGylation, JenKem Technology specializes exclusively in the development and manufacturing of high quality polyethylene glycol (PEG) products and derivatives, and related custom synthesis and PEGylation services. JenKem Technology is ISO 9001 and ISO 13485 certified, and adheres to ICH Q7A guidelines for GMP manufacture. The production of JenKem® PEGs is back-integrated to in-house polymerization from ethylene oxide, enabling facile traceability for regulated customers. JenKem Technology caters to the PEGylation needs of the pharmaceutical, biotechnology, medical device and diagnostics, and emerging chemical specialty markets, from laboratory scale through large commercial scale.

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