ChemicalBook--->CAS DataBase List--->2144777-77-3

2144777-77-3

2144777-77-3 Structure

2144777-77-3 Structure
IdentificationBack Directory
[Name]

N3-PEG5-CH2CO2-NHS
[CAS]

2144777-77-3
[Synonyms]

N3-PEG5-CH2COONHS
N3-PEG5-CH2CO2-NHS
AZIDO-PEG5-CH2CO2-NHS
Azido-PEG5-CH2COOH NHS Ester
[Molecular Formula]

C16H26N4O9
[MDL Number]

MFCD31561145
[MOL File]

2144777-77-3.mol
[Molecular Weight]

418.4
Chemical PropertiesBack Directory
[storage temp. ]

-20°C, sealed storage, away from moisture
[solubility ]

Soluble in DMSO, DCM, DMF
[form ]

Liquid
[color ]

Colorless to light yellow
Hazard InformationBack Directory
[Description]

Azido-PEG5-CH2CO2-NHS is a very active pegylation reagent with 5 PEG units. The hydrophilic PEG spacer increases solubility in aqueous media. The azide group allows the reaction with alkyne, BCN, DBCO via Click Chemistry to yield a stable triazole linkage. The NHS ester can be used to label the primary amines (-NH2) of proteins, amine-modified oligonucleotides, and other amine-containing molecules.
[Uses]

Azido-PEG5-CH2CO2-NHS is a PEG-based PROTAC linker that can be used in the synthesis of PROTACs[1]. Azido-PEG5-CH2CO2-NHS is a click chemistry reagent, it contains an Azide group and can undergo copper-catalyzed azide-alkyne cycloaddition reaction (CuAAc) with molecules containing Alkyne groups. It can also undergo strain-promoted alkyne-azide cycloaddition (SPAAC) reactions with molecules containing DBCO or BCN groups.
[IC 50]

PEGs
[References]

[1] An S, et al. Small-molecule PROTACs: An emerging and promising approach for the development of targeted therapy drugs. EBioMedicine. 2018 Oct;36:553-562 DOI:10.1016/j.ebiom.2018.09.005
Spectrum DetailBack Directory
[Spectrum Detail]

N3-PEG5-CH2CO2-NHS(2144777-77-3)1HNMR
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