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2055024-41-2

中文名称 Propargyl-PEG4-Sulfone-PEG4-acid
英文名称 Propargyl-PEG4-Sulfone-PEG4-acid
CAS 2055024-41-2
分子式 C22H40O12S
分子量 528.61
MOL 文件 2055024-41-2.mol
2055024-41-2 结构式 2055024-41-2 结构式

基本信息

中文别名
炔基-四聚乙二醇-砜-四聚乙二醇-羧酸
炔基-四聚乙二醇-SULFONE-四聚乙二醇-羧酸
英文别名
Propargyl-PEG4-Sulfone-PEG4-acid
4,7,10,13,19,22,25,28-Octaoxa-16-thiahentriacont-30-ynoic acid, 16,16-dioxide

物理化学性质

沸点661.0±55.0 °C(Predicted)
密度1.195±0.06 g/cm3(Predicted)
酸度系数(pKa)4.28±0.10(Predicted)

应用领域

用途一
Propargyl-PEG4-Sulfone-PEG4-acid is a PEG linker containing a propargyl group with a terminal carboxylic acid. The terminal carboxylic acid can react with primary amine groups in the presence of activators (e.g. EDC, or HATU) forming a stable amide bond. The propargyl groups can react with azide-bearing compounds or biomolecules via copper catalyzed azide-alkyne Click Chemistry to yield stable triazole linkages. The hydrophilic PEG spacer increases solubility in aqueous media.
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