Alkyne-PEG4-NHS ester
| Cat. # | Quantity | Price | Lead time | Buy this product |
|---|---|---|---|---|
| 2409-100mg | 100 mg | $250 | in stock | |
| 2409-1g | 1 g |
$790
|
in stock |
Alkyne-PEG4-NHS ester is a bifunctional molecule containing NHS ester and alkyne functional groups. NHS ester group is used for the labeling of amine groups, like lysine and terminal NH2, in proteins and peptides. The terminal alkyne group is useful for copper-catalyzed click chemistry (CuAAC) or Sonogashira coupling.
PEG4 is a hydrophilic linker providing a good separation between the parts of the conjugate.
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Bifunctional hydrophilic linker with NHS ester and terminal alkyne functional group based on triethyleneglycol (PEG3).
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Alkyne-PEG2-NHS ester
Bifunctional hydrophilic linker with NHS ester and terminal alkyne functional group based on diethyleneglycol (PEG2).
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General properties
| Appearance: | light yellow oil |
| Molecular weight: | 401.41 |
| CAS number: | 1393330-40-9 |
| Molecular formula: | C18H27NO9 |
| IUPAC name: | 4,7,10,13,16-Pentaoxanonadec-18-ynoic acid, 2,5-dioxo-1-pyrrolidinyl ester |
| Solubility: | good in water and polar organic solvents |
| Quality control: | NMR 1H and HPLC-MS (95+%) |
| Storage conditions: | 12 months after receival at -20°C in the dark. Transportation: at room temperature for up to 3 weeks. Desiccate. |
| MSDS: | Download |
| Product specifications |
This Product is offered and sold for research purposes only. It has not been tested for safety and efficacy in food, drug, medical device, cosmetic, commercial or any other use. Supply does not express or imply authorization to use for any other purpose, including, without limitation, in vitro diagnostic purposes, in the manufacture of food or pharmaceutical products, in medical devices or in cosmetic products.
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