Acid-PEG4-t-butyl ester CAS:1835759-85-7 is a chemical compound used in organic synthesis and bioconjugation reactions. It is a derivative of polyethylene glycol (PEG), a polymer known for its hydrophilic and biocompatible properties. Acid-PEG4-t-butyl ester contains a t-butyl ester group at one end and a carboxylic acid group at the other end, connected by a PEG spacer consisting of four ethylene glycol units. This compound is commonly used to modify biomolecules, such as proteins, nucleic acids, or antibodies, to increase their stability, solubility, or to attach them to other molecules for various applications. Acid-PEG4-t-butyl ester is a valuable tool for drug delivery and bioconjugation research.
AxisPharm offers 5000+ PEG Linkers with high purity. Different kinds of PEG Reagents may be available by custom synthesis.