Mal-PEG5-NHS ester
- CAS NO.：1807537-42-3
- Empirical Formula: C21H30N2O11
- Molecular Weight: 486.47
- MDL number: MFCD26127781
- Update Date: 2026-03-18 11:52:23
What is Mal-PEG5-NHS ester?
Description
Mal-PEG5-NHS ester is a PEG linker containing a maleimide group and an NHS ester group. The hydrophilic PEG spacer increases solubility in aqueous media. The NHS ester can be used to label the primary amines (-NH2) of proteins, amine-modified oligonucleotides, and other amine-containing molecules. The maleimide group will react with a thiol group to form a covalent bond, enabling the connection of biomolecule with a thiol.
Properties of Mal-PEG5-NHS ester
| Boiling point: | 608.4±65.0 °C(Predicted) |
| Density | 1.34±0.1 g/cm3(Predicted) |
| solubility | Soluble in DMSO, DCM, DMF |
| pka | -2.34±0.20(Predicted) |
| form | Liquid |
| color | Colorless to light yellow |
Safety information for Mal-PEG5-NHS ester
Computed Descriptors for Mal-PEG5-NHS ester
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