Jiangjun Avenue 55#, Jiangning Area, Nanjing, China sales2@liwei-chem.com 3170906422@qq.com
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D-Tryptophan

    • Product Name D-Tryptophan
    • Alias H-D-Trp-OH
    • Einecs 221-379-0
    • Mininmum Order 1 g
    • Factory Site Jiangjun Avenue 55#, Jiangning Area, Nanjing, China
    • Price Inquiry sales2@liwei-chem.com
    • Manufacturer Alchemist Worldwide Ltd
    • CONTACT NOW
    VTB
    Specifications

    HS Code

    163222

    chemical_name D-Tryptophan
    molecular_formula C11H12N2O2
    molar_mass 204.23 g/mol
    CAS_number 153-94-6
    appearance White to off-white crystalline powder
    melting_point 282-286°C (dec.)
    solubility_in_water Slightly soluble
    optical_rotation [α]D20 = -31° (c=1, 1N HCl)
    purity Typically ≥98%
    storage_temperature 2-8°C
    pH_of_solution 5.5-7.0 (1% in water)
    synonyms D(-)-Tryptophan, D-Tryptophane

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

    Packing & Storage
    Packing D-Tryptophan is packaged in a sealed 100g amber glass bottle with a white screw cap, labeled with product and safety details.
    Shipping D-Tryptophan is shipped in tightly sealed containers, protected from moisture, light, and extreme temperatures. It is typically packed according to regulatory guidelines for non-hazardous chemicals. Shipping documentation includes safety data sheets, and packages are clearly labeled to ensure safe handling during transit. Expedited and standard shipping options are available globally.
    Storage D-Tryptophan should be stored in a tightly sealed container, away from light, moisture, and incompatible substances. Keep it at 2-8°C (refrigerated conditions). Store in a cool, dry, and well-ventilated area, clearly labeled, and follow all relevant safety guidelines. Avoid exposure to excessive heat and strong oxidizers to ensure stability and maintain its chemical integrity.
    Free Quote

    Competitive D-Tryptophan prices that fit your budget—flexible terms and customized quotes for every order.

    For samples, pricing, or more information, please call us at +8615380400285 or mail to sales2@liwei-chem.com.

    We will respond to you as soon as possible.

    Tel: +8615380400285

    Email: sales2@liwei-chem.com

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    Certification & Compliance