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Biotinylation Reagents

(+)-Biotin-PEG4-amine | CAS 663171-32-2

Catalog: TASK-36-1000052   CAS NO.: 663171-32-2
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Description

(+)-Biotin-PEG4-amine refers to a biotin molecule linked to a PEG4 spacer arm ending with an amine group. This structure is often used in bioconjugation and biotechnology applications where the biotin group can bind specifically to avidin or streptavidin, commonly used in assays like ELISA (Enzyme-Linked Immunosorbent Assay) for detection purposes. The (+)- sign indicates the chiral form of biotin, where biotin naturally occurs in both (+) and (-) forms due to its chiral center.

Specifications

CAS No.663171-32-2
FormulaC20H38N4O6S
Molecular Weight462.6
Purity>98%
Ship Within1 week
Storage Temp.-20℃
Shipping4-25℃ for up to 3 weeks
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