mPEG-COOH
Biomedicine 2025-03-04
Product purity: ≥95%
Product Usage: Used in medical research, drug release, nanotechnology and new material research, cell culture. As well as ligand research, peptide synthesis support, grafted polymer compounds, new materials and polyethylene glycol modified functional coatings and other active compounds.
Basic Information of mPEG-COOH
| Item | Description |
|---|---|
| Full Name | Methoxy-PEG-Carboxylic Acid |
| CAS Number | 67665-18-3 |
| Molecular Weight | Commonly available: 2k, 3.4k, 5k, 10k |
| Purity | ≥90% |
| Appearance | White or off-white solid |
| Solubility | Soluble in water, DMSO, DMF, and common organic solvents |
| Storage Conditions | -20°C, dry, protected from light |
Detailed Information of mPEG-COOH
| Item | Description |
|---|---|
| Structure | Consists of a methoxy (OCH3) group at one end of the PEG chain and a carboxyl (COOH) group at the other end |
| Reactivity | The carboxyl group can react with amines to form amide bonds, or with alcohols to form esters, enabling the modification of proteins, peptides, and other biomolecules |
| Applications | Widely used in drug delivery, bioconjugation, surface modification of nanoparticles, and as a building block for functionalized PEG derivatives |
| Advantages | High biocompatibility, good water solubility, and ability to enhance the stability and circulation time of modified molecules |
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