Common Use | Tos-PEG3-CH2CO2H is a PEG derivative containing a tosyl group and a terminal carboxylic acid. The hydrophilic PEG spacer increases solubility in aqueous media. The tosyl group is a very good leaving group for nucleophilic substitution reactions. The terminal carboxylic acid can be reacted with primary amine groups in the presence of activators (e.g. EDC, or DCC) to form a stable amide bond. |
Structure | |
PEG Molecular Weight | 318.3 g/mol |
Functional Group | Tosyl/CH2CO2H |
Purity | 98% |
Storage | -20°C |
Molecular Formula | C13H18O7S |
CAS No. | 1807537-35-4 |
Catalog: CDPB-041059
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