NHS PEG reagent, Bis-PEG25-NHS ester, Purity 97%

Synonym: 2221948-96-3; NHS-PEG24-NHS; BIS(2,5-DIOXOPYRROLIDIN-1-YL) 4,7,10,13,16,19,22,25,28,31,34,37,40,43,46,49,52,55,58,61,64,67,70,73,76-PENTACOSAOXANONAHEPTACONTANEDIOATE

CAS Number: 2221948-96-3
PubChem CID: 77078480

Size

100 mg; 250 mg; 500 mg

Price

Inquiry

Datasheet

Datasheet

MSDS

MSDS

Properties

Description

Bis-PEG25-NHS ester is a PEG linker that features two NHS ester groups. The hydrophilic PEG spacer enhances solubility in aqueous solutions. This NHS ester can be utilized for labeling primary amines t-found in proteins, amine-modified oligonucleotides, and other molecules containing amino groups.

Molecular Weight

1413.6

Molecular Formula

C₆₂H₁₁₂N₂O₃₃

Functional Group 1

Ester

Functional Group 2

NHS

Functional Group 3

None

Reactive Group 1

Amine

Form

Solid or viscous liquid

Purity

97%

Identity

Confirmed by NMR.

Applications

Bis-PEG25-NHS ester has diverse applications in the field of biomaterials and bioconjugation. It can be used to functionalize surfaces of nanoparticles or biomolecules to improve their biocompatibility and stability. In drug delivery systems, it can help increase the circulation time of the payload by reducing immune recognition.

Storage

Store at -20°C.

For Research Use Only. Not For Clinical Use.