Biotin/Carboxylic acid PEG reagent, N-(Acid-PEG36-PEG3-)-N-bis(PEG3-biotin), Purity 98%

Synonym: BP-28868

PubChem CID: 167312922

Size

25 mg; 50 mg; 100 mg; 250 mg

Price

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Datasheet

Datasheet

MSDS

MSDS

Properties

Description

N-(Acid-PEG36-PEG3-)-N-bis(PEG3-biotin) is a branched biotin linker designed for protein labeling applications. Featuring a carboxylic acid group, it readily reacts with primary amines in the presence of activators such as EDC and HATU. Additionally, the inclusion of a hydrophilic PEG branch enhances the water solubility of the compound, facilitating its use in aqueous environments.

Molecular Weight

2,681.3

Molecular Formula

C₁₂₀H₂₃₀N₈O₅₂S₂

Functional Group 1

Biotin

Functional Group 2

Carboxylic acid

Functional Group 3

None

Reactive Group 1

Amine

Form

Reported

Purity

98%

Identity

Confirmed by NMR.

Applications

N-(Acid-PEG36-PEG3-)-N-bis(PEG3-biotin) can be used in protein labeling and immobilization strategies. The carboxylic acid functionality enables efficient conjugation with primary amines on proteins, forming stable amide bonds. The resulting biotinylated proteins can then be used for various downstream applications, including affinity purification, protein detection, and immunoprecipitation assays, utilizing the strong and specific interaction between biotin and avidin/streptavidin.

Storage

Store at -20°C

For Research Use Only. Not For Clinical Use.