• USA Home
  • JKA7111 - 4arm-PEG20K-Isocyanate

JKA7111 Sigma-Aldrich


average Mn 20,000

Synonym: 4arm-PEG-Isocyanate

  • Linear Formula C(CH2O(CH2CH2O)nCH2CH2NCO)4



Related Categories 4-arm PEGs, Materials Science, Multi-arm PEGs, PEG Dendrimers and Multi-arm PEGs, Poly(ethylene glycol) and Poly(ethylene oxide),
mol wt   average Mn 20,000
polymer architecture   shape : 4-arm
functionality : homofunctional
reaction suitability  
reactivity: amine reactive


General description

4arm PEG Isocianate. Hydrogel PEG. NCO group is useful for coupling hydroxyl through a stable urethane linker.


Applications may include: bioconjugation, drug delivery, PEG hydrogel, crosslinker, and surface functionalization

Legal Information

Product of JenKem Technology

Safety & Documentation

Safety Information

NONH for all modes of transport
WGK Germany 
Flash Point(F) 
Not applicable
Flash Point(C) 
Not applicable


Certificate of Analysis (COA)

Please Enter a Lot Number
Protocols & Articles


Applications of Y-Shape Peg Derivatives for Drug Delivery

The immune system protects the body from disease by resisting the invasion of foreign molecules into its cells, for example peptides and proteins are hydrolyzed by proteolytic enzymes; nucleic acids ...
Dr. Hui Zhu
Material Matters, 2016, 11.3
Keywords: Antibiotics, Antitumor agents, Antivirals, Bacterial conjugations, Cancer, Clinical, Degradations, Digestions, Eliminations, Enzyme activity, Genetic, Hormones, Indicators, Ion-exchange chromatography, Metabolism, Oxidations, PEGylations, Pharmaceutical, Phosphorylations, Reductions, Reproduction

Poly(ethylene glycol) (PEG) and Synthetic PEG Derivatives for Tissue Engineering and Cell Delivery

McMaster University, Department of Chemical Engineering, 1280 Main Street West, Hamilton, Ontario, L8S 4L8, Canada. *Email: hoaretr@mcmaster.ca
Keywords: Adhesion, Atomic absorption spectroscopy, Catalysis, Cell proliferation, Click chemistry, Condensations, Confocal microscopy, Cycloadditions, Degradations, Environmental, Free radical reactions, Huisgen Cycloaddition, Immobilization, Isomerizations, Metabolites, Michael Addition, Microscopy, Polymerization reactions, Radical polymerization, Sol-gel

Polyethylene Glycol (PEG) Selection Guide

Poly(ethylene glycol) (PEG) is a synthetic, hydrophilic, biocompatible polymer with widespread use in biomedical and other applications. PEGs are synthesized using a ring-opening polymerization of et...
Keywords: Adhesion, Bacterial conjugations, Click chemistry, Molecular biology, PEGylations, Polymerization reactions, Ring-opening polymerization

Related Products

Technical Service:

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Bulk Ordering & Pricing:

Need larger quantities for your development, manufacturing or research applications?