Maleimide/NHS ester PEG reagent, N-(alfa-Maleimidoacetoxy)succinimide, Purity 95%

Synonym: 55750-61-3; N-succinimidyl maleimidoacetate; AMAS; Maleimidoacetic acid N-hydroxysuccinimide ester

CAS Number: 55750-61-3
PubChem CID: 3299229

Size

250 mg; 500 mg; 1 g; 5 g

Price

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Datasheet

Datasheet

MSDS

MSDS

Properties

Description

N-(alfa-Maleimidoacetoxy)succinimide is a reactive compound featuring a maleimide group and a succinimide ester. The maleimide group reacts with thiols to form stable covalent bonds, while the succinimide ester can react with primary amines, enabling conjugation. The compound is commonly used in bioconjugation.

Molecular Weight

252.2

Molecular Formula

C₁₀H₈N₂O₆

Functional Group 1

Maleimide

Functional Group 2

NHS ester

Reactive Group 1

Amine

Reactive Group 2

Thiol

Form

Solid

Purity

95%

Identity

Confirmed by NMR.

Applications

N-(alfa-Maleimidoacetoxy)succinimide is widely used in protein labeling, drug delivery, and the creation of biomolecular conjugates. It enables selective attachment of thiol-containing molecules to amine-functionalized biomolecules in research applications.

Storage

Store at -20°C.

For Research Use Only. Not For Clinical Use.