Acetic acid, [2-[[(1,1-dimethylethoxy)carbonyl]amino]ethoxy]- (9CI)

CAS NO.：142929-49-5
Empirical Formula: C9H17NO5
Molecular Weight: 219.24
MDL number: MFCD09909935
SAFETY DATA SHEET (SDS)
Update Date: 2025-11-16 10:30:15

What is Acetic acid, [2-[[(1,1-dimethylethoxy)carbonyl]amino]ethoxy]- (9CI)?

Description

t-Boc-N-amido-PEG1-CH2CO2H is a PEG linker containing a terminal carboxylic acid and Boc-protected amino group. The hydrophilic PEG spacer increases solubility in aqueous media. The terminal carboxylic acid can react with primary amine groups in the presence of activators (e.g. EDC, or HATU) to form a stable amide bond. The Boc group can be deprotected under mild acidic conditions to form the free amine.

Chemical properties

White crystalline powder

The Uses of Acetic acid, [2-[[(1,1-dimethylethoxy)carbonyl]amino]ethoxy]- (9CI)

This is a crosslinker with a t-Boc protected amine on one end and a carboxyl group on the other end. The compound contains a single PEG unit to help improve solubility

Properties of Acetic acid, [2-[[(1,1-dimethylethoxy)carbonyl]amino]ethoxy]- (9CI)

Boiling point:	391.2±22.0 °C(Predicted)
Density	1.151±0.06 g/cm3(Predicted)
storage temp.	-20°C
pka	3.44±0.10(Predicted)
form	<44.2°C Solid,>67.5°C Liquid
color	Colorless to light yellow

Safety information for Acetic acid, [2-[[(1,1-dimethylethoxy)carbonyl]amino]ethoxy]- (9CI)

Computed Descriptors for Acetic acid, [2-[[(1,1-dimethylethoxy)carbonyl]amino]ethoxy]- (9CI)

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