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ChemicalBook--->CAS DataBase List--->518044-41-2

518044-41-2

518044-41-2 Structure

518044-41-2 Structure
IdentificationBack Directory
[Name]

Mal-PEG4-Acid
[CAS]

518044-41-2
[Synonyms]

Mal-PEG4-COOH
Mal-PEG4-Acid
MAL-dPEG4-acid
Mal-PEG4-CH2CH2COOH
Maleimide-PEG4-CH2CH2COOH
15-maleinimido-4,7,10,13-tetraoxapentadecanoic acid
1-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)-3,6,9,12-tetraoxapentadecan-15-oic acid
4,7,10,13-Tetraoxapentadecanoic acid, 15-(2,5-dihydro-2,5-dioxo-1H-pyrrol-1-yl)-
[Molecular Formula]

C15H23NO8
[MDL Number]

MFCD18916986
[MOL File]

518044-41-2.mol
[Molecular Weight]

345.35
Chemical PropertiesBack Directory
[Boiling point ]

520.1±50.0 °C(Predicted)
[density ]

1.268±0.06 g/cm3(Predicted)
[solubility ]

Soluble in Water, DCM
[form ]

Viscous Liquid
[pka]

4.28±0.10(Predicted)
[color ]

Colorless to light yellow
Safety DataBack Directory
[Symbol(GHS) ]


GHS07
[Signal word ]

Warning
[Hazard statements ]

H302-H315-H319-H335
[Precautionary statements ]

P261-P264-P270-P271-P280-P301+P312-P302+P352-P304+P340-P305+P351+P338-P330-P332+P313-P337+P313-P362-P403+P233-P405-P501
Hazard InformationBack Directory
[Description]

Mal-PEG4-acid is a PEG linker containing a maleimide group with a terminal carboxylic acid. The hydrophilic PEG spacer increases solubility in aqueous media. The maleimide group will react with a thiol group to form a covalent bond, enabling the connection of biomolecule with a thiol. 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.
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