HS-PEG4-tBu
- CAS NO.：564476-33-1
- Empirical Formula: C15H30O6S
- Molecular Weight: 338.46
- MDL number: MFCD11041133
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-04-21 10:31:43
What is HS-PEG4-tBu?
Description
Thiol-PEG4-t-butyl ester is a PEG linker containing a thiol group and a t-butyl ester. The hydrophilic PEG spacer increases solubility in aqueous media. The thiol group reacts with maleimide, OPSS, vinylsulfone and transition metal surfaces including gold, silver, etc. The t-butyl protected carboxyl group can be deprotected under acidic conditions.
Properties of HS-PEG4-tBu
| Boiling point: | 414.6±40.0 °C(Predicted) |
| Density | 1.060±0.06 g/cm3(Predicted) |
| pka | 9?+-.0.10(Predicted) |
| form | Liquid |
| color | Colorless to light yellow |
Safety information for HS-PEG4-tBu
Computed Descriptors for HS-PEG4-tBu
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