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Maleimide-PEG4-NHS is a sulfhydryl and amine reactive heterofuncational PEG linker. The chemical bonds formed through Maleimide-PEG4-NHS linker are stable and are not cleavable. The NHS ester reacts with amino groups at pH 7-9 to form stable amide bond while maleimide reacts with thiol groups at pH 6.5-7.5 to form stable thiol-ether bond.

| Pack Size | Price | USA Warehouse | Global Warehouse | Quantity |
|---|---|---|---|---|
| 100 mg | Inquiry | Inquiry | Inquiry | |
| 500 mg | Inquiry | Inquiry | Inquiry |
| Description | Maleimide-PEG4-NHS is a sulfhydryl and amine reactive heterofuncational PEG linker. The chemical bonds formed through Maleimide-PEG4-NHS linker are stable and are not cleavable. The NHS ester reacts with amino groups at pH 7-9 to form stable amide bond while maleimide reacts with thiol groups at pH 6.5-7.5 to form stable thiol-ether bond. |
| Synonyms | MAL-PEG-NHS, MAL-PEG4-NHS, Maleimido-Tetra(Ethylene Glycol)-Acetic Acid NHS ester, Maleimide PEG NHS |
| Molecular Weight | 331.321 |
| Formula | C14H21NO8 |
| Cas No. | 1286754-10-6 |
| Smiles | OC(=O)COCCOCCOCCOCCN1C(=O)C=CC1=O |c:19| |
| Relative Density. | no data available |
| Storage | Powder: -20°C for 3 years | In solvent: -80°C for 1 year | Shipping with blue ice/Shipping at ambient temperature. |
Dissolve 2 mg of the compound in 100 μL DMSO
to obtain a stock solution at a concentration of 20 mg/mL . If the required concentration exceeds the compound's known solubility, please contact us for technical support before proceeding.
1) Add 100 μL of the DMSO
stock solution to 400 μL PEG300
and mix thoroughly until the solution becomes clear.
2) Add 50 μL Tween 80 and mix well until fully clarified.
3) Add 450 μL Saline,PBS or ddH2O
and mix thoroughly until a homogeneous solution is obtained.
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