Tos-PEG3-CH2CO2H
- CAS NO.：1807537-35-4
- Empirical Formula: C13H18O7S
- Molecular Weight: 318.34
- MDL number: MFCD27977495
- Update Date: 2025-04-18 09:51:53
What is Tos-PEG3-CH2CO2H?
Description
Tos-PEG3-CH2CO2H is a PEG linker 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.
Properties of Tos-PEG3-CH2CO2H
| Boiling point: | 512.8±40.0 °C(Predicted) |
| Density | 1.306±0.06 g/cm3(Predicted) |
| pka | 3.39±0.10(Predicted) |
Safety information for Tos-PEG3-CH2CO2H
Computed Descriptors for Tos-PEG3-CH2CO2H
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