Common Use | Tos-PEG4-acid 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 | 376.4 g/mol |
Functional Group | Tosyl/Acid |
Purity | 98% |
Storage | -20°C |
Molecular Formula | C16H24O8S |
CAS No. | 1453117-42-4 |
Catalog: CDPB-041003
Catalog: CDPB-041042
Catalog: CDPB-041069
Catalog: CDPB-041084
Catalog: CDPB-04694
Catalog: CDPB-04674
Catalog: CDPB-04971
Catalog: CDAX080
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