Acid/Maleimide PEG reagent, Mal-PEG5-acid, Purity 98%

Synonym: 1286755-26-7; Mal-PEG5-COOH; 1-(2,5-Dioxo-2,5-dihydro-1H-pyrrol-1-yl)-3,6,9,12,15-pentaoxaoctadecan-18-oic acid; Mal-PEG5-CH₂CH₂COOH

CAS Number: 1286755-26-7
PubChem CID: 77078405

Size

100 mg; 250 mg; 500 mg; 1 g

Price

Inquiry

Datasheet

Datasheet

MSDS

MSDS

Properties

Description

Mal-PEG5-acid features a maleimide group and a terminal carboxylic acid, allowing for thiol-specific conjugation and amide bond formation with primary amines. The PEG5 spacer improves solubility in aqueous environments.

Molecular Weight

389.4

Molecular Formula

C₁₇H₂₇NO₉

Functional Group 1

Acid

Functional Group 2

Maleimide

Reactive Group 1

Amine

Reactive Group 2

Thiol

Form

Viscous liquid

Purity

98%

Solubility

DCM

Identity

Confirmed by NMR.

Applications

Mal-PEG5-acid is used in bioconjugation, protein labeling, and surface functionalization. Its dual reactivity with thiols and amines makes it ideal for creating stable covalent links in biochemical research.

Storage

Store at -20°C.

For Research Use Only. Not For Clinical Use.