Acid/Maleimide PEG reagent, Methylamino-PEG4-acid HCl salt, Purity 98%

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Cat. No.: X24-03-YW0749

Acid/Maleimide PEG reagent, Methylamino-PEG4-acid HCl salt, Purity 98%

Synonym: 1283658-71-8; Methylamino-PEG4-acid HCl salt; Methylamino-PEG4-acid HCl; 5,8,11,14-Tetraoxa-2-azaheptadecan-17-oic acid

MDL: MFCD28064328
CAS Number: 1283658-71-8
PubChem CID: 77078189

Size

100 mg; 250 mg; 1 g

Price

Datasheet

MSDS

Properties

Description

Methylamino-PEG4-acid HCl salt is a PEG linker featuring a terminal carboxylic acid and a methylamine group, stabilized as a hydrochloride salt. The carboxylic acid group is reactive with primary amines in the presence of activators like EDC or HATU to form stable amide bonds, while the methylamine group reacts with carboxylic acids and carbonyls. The PEG4 spacer enhances water solubility and hydrophilicity.

Molecular Weight

279.3

Molecular Formula

C₁₂H₂₅NO₆

Functional Group 1

Acid

Functional Group 2

Maleimide

Reactive Group 1

Amine

Reactive Group 2

Thiol

Form

Gel

Purity

98%

Solubility

Water, DMSO

Identity

Confirmed by NMR.

Applications

Methylamino-PEG4-acid HCl salt is used in research for synthesizing functionalized molecules, bioconjugates, and hydrophilic linkers. Its dual-reactive groups support versatile chemical modifications, making it suitable for surface engineering, exploring molecular interactions, and designing amide-linked biomaterials for experimental studies.

Storage

Store at -20°C.

For Research Use Only. Not For Clinical Use.

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