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ChemicalBook--->CAS DataBase List--->581066-04-8

581066-04-8

581066-04-8 Structure

581066-04-8 Structure
IdentificationBack Directory
[Name]

N3-PEG4-tBu
[CAS]

581066-04-8
[Synonyms]

N3-PEG4-tBu
581066-04-8
Azido-PEG4-Boc
Azido-PEG4-COOtBu
N3-PEG4-CH2CH2COOtBu
N3-?PEG4-?t-?butyl ester
Azido-PEG5-t-butyl ester
15-Azido-4,7,10,13-tetraoxapentadecanoic acid 1,1-dimethylethyl ester
N3-PEG4-CH2CH2COOtBu
[Molecular Formula]

C15H29N3O6
[MDL Number]

MFCD18916988
[MOL File]

581066-04-8.mol
[Molecular Weight]

347.407
Chemical PropertiesBack Directory
[refractive index ]

1.449 (589.3 nm 23℃)
[form ]

Liquid
[color ]

Colorless to light yellow
Hazard InformationBack Directory
[Description]

Azido-PEG4-t-butyl ester is a click chemistry linker containing an azide (N3) and a t-butyl ester moiety. The hydrophilic PEG spacer increases solubility in aqueous media. The azide group is reactive toward alkyne, BCN, DBCO via Click Chemistry . The t-butyl protected carboxyl group can be deprotected under acidic conditions.
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