H2N-PEG3-CH2COOtBu
- CAS NO.：189808-70-6
- Empirical Formula: C12H25NO5
- Molecular Weight: 263.33
- MDL number: MFCD30730374
- Update Date: 2026-05-27 23:28:38
What is H2N-PEG3-CH2COOtBu?
Description
Amino-PEG3-CH2CO2-t-butyl ester is a PEG molecule containing an amino group with a t-butyl protected carboxyl group. The hydrophilic PEG spacer increases solubility in aqueous media. The amino group is reactive with carboxylic acids, activated NHS esters, carbonyls (ketone, aldehyde) etc. The t-butyl protected carboxyl group (t-Boc) can be deprotected under acidic conditions.
Properties of H2N-PEG3-CH2COOtBu
| Boiling point: | 343.4±27.0 °C(Predicted) |
| Density | 1.041±0.06 g/cm3(Predicted) |
| storage temp. | under inert gas (nitrogen or Argon) at 2–8 °C |
| solubility | Soluble in Water, DMSO, DCM, DMF |
| pka | 8.74±0.10(Predicted) |
| form | Liquid |
| color | Colorless to light yellow |
Safety information for H2N-PEG3-CH2COOtBu
Computed Descriptors for H2N-PEG3-CH2COOtBu
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