P301+P312：IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.
Description
Propargyl-PEG3-CH2CO2H is an PEG linker with an alkyne and carboxylic acid set of functional groups. The alkyne group can participate in copper catalyzed azide-alkyne Click Chemistry to form stable triazole linkage. The carboxylic acid can react with primary amines to form stable amide bonds; activator (e.g. EDC, or HATU) is needed.
![Acetic acid, 2-[2-[2-(2-propyn-1-yloxy)ethoxy]ethoxy]-](https://www.chemicalbook.com/CAS/20200401/GIF/944561-46-0.gif)
