Amino-PEG1-t-Butyl ester
- CAS NO.：1260092-46-3
- Empirical Formula: C9H19NO3
- Molecular Weight: 189.25
- MDL number: MFCD20727480
- Update Date: 2025-11-17 15:41:33
What is Amino-PEG1-t-Butyl ester?
Description
Amino-PEG1-t-butyl ester is a PEG reagent 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-Boc group can be deprotected under acidic conditions.
The Uses of Amino-PEG1-t-Butyl ester
Amino-peg1-t-butyl Ester is a reagent used in the preparation of β2 adrenergic receptor agonists and muscarinic receptor activity antagonists.
Properties of Amino-PEG1-t-Butyl ester
| Boiling point: | 264.9±15.0 °C(Predicted) |
| Density | 0.992±0.06 g/cm3(Predicted) |
| storage temp. | under inert gas (nitrogen or Argon) at 2–8 °C |
| solubility | DMSO (Slightly), Methanol (Slightly) |
| form | Oil |
| pka | 8.73±0.10(Predicted) |
| color | Clear Colourless to Pale Yellow to Dark Yellow |
Safety information for Amino-PEG1-t-Butyl ester
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H302:Acute toxicity,oral H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for Amino-PEG1-t-Butyl ester
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