Lingwu, Yinchuan, Ningxia, China sales2@liwei-chem.com 3170906422@qq.com
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Refined L-Tryptophan

    • Product Name Refined L-Tryptophan
    • Alias refined-l-tryptophan
    • Einecs 200-795-6
    • Mininmum Order 1 g
    • Factory Site Lingwu, Yinchuan, Ningxia, China
    • Price Inquiry sales2@liwei-chem.com
    • Manufacturer Alchemist Worldwide Ltd
    • CONTACT NOW
    VTB
    Specifications

    HS Code

    407799

    product_name Refined L-Tryptophan
    chemical_formula C11H12N2O2
    molecular_weight 204.23 g/mol
    appearance White crystalline powder
    purity ≥ 99%
    solubility_in_water Slightly soluble
    melting_point 289 °C (dec.)
    CAS_number 73-22-3
    storage_conditions Store in a cool, dry place
    odor Odorless
    synonyms L-α-Amino-3-indolepropionic acid
    optical_rotation +53.0° to +58.5° (c=1, 1N HCl)
    pH_value Neutral (5.5-7.0, 1% solution)
    source Typically produced by fermentation
    application Nutritional supplement

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

    Packing & Storage
    Packing Refined L-Tryptophan, 1 kg, sealed in a durable, food-grade, white plastic pouch with resealable zip-lock and detailed labeling.
    Shipping Refined L-Tryptophan is shipped in sealed, food-grade or pharmaceutical-grade containers to ensure purity and prevent contamination. It should be kept dry and protected from light and moisture during transport. Packages are labeled with product and hazard information, and shipping is conducted in compliance with relevant chemical safety and regulatory guidelines.
    Storage Refined L-Tryptophan should be stored in a tightly sealed container, protected from light and moisture, at a temperature between 2°C and 8°C (refrigerated conditions). Keep away from incompatible substances such as strong oxidizing agents. Store in a dry, well-ventilated area, and ensure the chemical remains clearly labeled to avoid contamination or accidental misuse. Handle using appropriate personal protective equipment.
    Free Quote

    Competitive Refined L-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