Bromoacetamidoacetamido/NHS PEG reagent, Bromoacetamido-PEG2-NHS ester, Purity 98%

Synonym: 1353011-78-5; Bromoacetamido-PEG2-NHS ester; Bromoacetamido-PEG2-C2-NHS ester; 2,5-Dioxopyrrolidin-1-yl 3-(2-(2-(2-bromoacetamido)ethoxy)ethoxy)propanoate; 2,5-DIOXOPYRROLIDIN-1-YL 3-{2-[2-(2-BROMOACETAMIDO)ETHOXY]ETHOXY}PROPANOATE

CAS Number: 1353011-78-5
PubChem CID: 60146182

Size

100 mg; 250 mg; 500 mg

Price

Inquiry

Datasheet

Datasheet

MSDS

MSDS

Properties

Description

Bromoacetamido-PEG2-NHS ester is a PEG linker comprising a bromide group and an NHS ester. Its hydrophilic PEG spacer enhances solubility in aqueous solutions. The bromide (Br) serves as an efficient leaving group in nucleophilic substitution reactions. The NHS ester functionality facilitates the labeling of primary amines (-NH₂) in proteins, amine-modified oligonucleotides, and other amine-containing molecules.

Molecular Weight

395.2

Molecular Formula

C₁₃H₁₉BrN₂O₇

Functional Group 1

Bromoacetamidoacetamido

Functional Group 2

NHS

Functional Group 3

None

Reactive Group 1

Amine

Form

Solid

Purity

98%

Identity

Confirmed by NMR.

Applications

Bromoacetamido-PEG2-NHS ester is widely utilized in bioconjugation and chemical modification strategies. Its NHS ester moiety enables selective labeling of primary amines, making it valuable for protein conjugation, oligonucleotide modification, and drug delivery applications.

Storage

Store at -20°C

For Research Use Only. Not For Clinical Use.