Biotin/Iodine PEG reagent, Biotin-PEG2-iodide, Purity 95%

Synonym: 292843-75-5; Biotin-PEG2-C2-iodoacetamide; Biotin-PEG2-iodide; Iodoacetyl-PEG2-biotin; (+)-Biotin-(PEO)3-iodoacetamide

CAS Number: 292843-75-5
PubChem CID: 11307260

Size

100 mg; 250 mg

Price

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Datasheet

Datasheet

MSDS

MSDS

Properties

Description

Biotin-PEG2-iodide is a biotinylated PEG linker featuring a reactive iodide group and a PEG2 spacer. The iodide moiety acts as an excellent leaving group, enabling nucleophilic substitution reactions, while the biotin unit ensures strong binding affinity to streptavidin and avidin proteins.

Molecular Weight

542.4

Molecular Formula

C₁₈H₃₁IN₄O₅S

Functional Group 1

Biotin

Functional Group 2

Iodine

Reactive Group 1

Nucleophiles

Form

Solid

Purity

95%

Solubility

Water, DMSO, DMF

Identity

Confirmed by NMR.

Applications

Biotin-PEG2-iodide is used in protein labeling, affinity purification, and surface modification. It facilitates efficient conjugation with nucleophiles, allowing for biotin tagging and enhancing detection, isolation, and immobilization of biomolecules in various biochemical assays.

Storage

Store at -20°C.

For Research Use Only. Not For Clinical Use.