ChemicalBook--->CAS DataBase List--->1428629-70-2

1428629-70-2

1428629-70-2 Structure

1428629-70-2 Structure
IdentificationBack Directory
[Name]

Propargyl-PEG4-NHS ester
[CAS]

1428629-70-2
[Synonyms]

1428629-70-2
Alkyne-PEG4-NHS
Alkyne-PEG3-NHS ester
Propargyl-PEG4-NHS ester
Propargyl-PEG3-CH2CH2COONHS
Propargyl-PEG4-NHS ester,Alkyne-PEG4-NHS
2,5-dioxopyrrolidin-1-yl 4,7,10,13-tetraoxahexadec-15-ynoate
2,5-dioxopyrrolidin-1-yl 4,7,10,13-tetraoxahexadec-15-yn-1-oate
4,7,10,13-Tetraoxahexadec-15-ynoic acid, 2,5-dioxo-1-pyrrolidinyl ester
[Molecular Formula]

C16H23NO8
[MDL Number]

MFCD22380743
[MOL File]

1428629-70-2.mol
[Molecular Weight]

357.36
Chemical PropertiesBack Directory
[Boiling point ]

463.1±55.0 °C(Predicted)
[density ]

1.24±0.1 g/cm3(Predicted)
[storage temp. ]

Storage temp. -20°C
[solubility ]

Soluble in DMSO, DCM, DMF
[form ]

Viscous Liquid
[color ]

Colorless to light yellow
[Appearance]

colorless to yellowish oil
Safety DataBack Directory
[Symbol(GHS) ]

Exclamation Mark (GHS07)
GHS07
[Signal word ]

Warning
[Hazard statements ]

H302-H315-H319-H335
[Precautionary statements ]

P261-P280-P301+P312-P302+P352-P305+P351+P338
Hazard InformationBack Directory
[Description]

Propargyl-PEG4-NHS ester is an amine reactive PEG linker with an alkyne group. Under the copper catalyzation, alkyne group can react with azide-bearing biomolecules to form a stable triazole linkage. The hydrophilic PEG spacer increases solubility in aqueous media.
[Uses]

Propargyl-PEG4-NHS ester is a nonclaevable 4-unit PEG linker for antibody-agent-conjugation (ADC). Propargyl-PEG4-NHS ester is a click chemistry reagent, it contains an Alkyne group and can undergo copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing Azide groups.
[IC 50]

Non-cleavable Linker
Spectrum DetailBack Directory
[Spectrum Detail]

Propargyl-PEG4-NHS ester(1428629-70-2)1HNMR
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