Wusu, Tacheng Prefecture, Xinjiang, China sales7@bouling-chem.com 3389378665@qq.com
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Biotin-PEG3-NHS ester

    • Product Name Biotin-PEG3-NHS ester
    • Alias EZ-Link™ NHS-PEG3-Biotin
    • Einecs 500-171-2
    • Mininmum Order 1 g
    • Factory Site Wusu, Tacheng Prefecture, Xinjiang, China
    • Price Inquiry sales7@bouling-chem.com
    • Manufacturer Bouling Chemical Co., Limited
    • CONTACT NOW
    Specifications

    HS Code

    338820

    Product Name Biotin-PEG3-NHS ester
    Cas Number 63590-64-7
    Molecular Formula C18H29N3O8S
    Molecular Weight 447.50 g/mol
    Purity ≥95%
    Solubility DMSO, DMF, water (moderate)
    Appearance White to off-white solid
    Functional Group N-hydroxysuccinimide (NHS) ester
    Spacer Length ~17.5 Å (PEG3)
    Storage Temperature -20°C (desiccated)
    Application Bioconjugation, protein labeling
    Stability Sensitive to moisture; hydrolyzes in aqueous solutions
    Synonyms NHS-PEG3-Biotin
    Recommended Diluent Anhydrous DMSO
    Reactivity Reacts with primary amines

    As an accredited Biotin-PEG3-NHS ester factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing The Biotin-PEG3-NHS ester from Sigma Aldrich is supplied in a 50 mg amber glass vial, sealed, and clearly labeled.
    Shipping Biotin-PEG3-NHS ester from Sigma Aldrich, Merck, or TCI Chemical Grade is shipped in airtight, light-protective containers, typically with desiccants and cooling packs to preserve stability. Shipments comply with chemical safety regulations, ensuring temperature control and safe handling during transit. Shipping documentation includes product details and safety data sheets (SDS).
    Storage Biotin-PEG3-NHS ester should be stored at –20°C, protected from light and moisture. Ensure it is kept in a tightly sealed container, preferably under an inert atmosphere (e.g., nitrogen or argon) to prevent hydrolysis. Allow the vial to reach room temperature before opening to avoid condensation. Store desiccated and avoid repeated freeze-thaw cycles for optimal stability.
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