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L-Cysteine

    Specifications

    HS Code

    274761

    Name L-Cysteine
    Chemical Formula C3H7NO2S
    Molecular Weight 121.16 g/mol
    Appearance White crystalline powder
    Solubility Soluble in water
    Melting Point 240°C (decomposes)
    Cas Number 52-90-4
    Ph Value 4.5-5.5 (1% solution)
    Odor Slightly sulfurous
    Specific Rotation +8.3 to +9.5° (c=2, 1N HCl)
    Boiling Point Non-volatile, decomposes before boiling
    Storage Conditions Store in a cool, dry place
    Purity Typically ≥98%

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

    Packing & Storage
    Packing The packaging for L-Cysteine (500g) features a white, sealed plastic bottle with a tamper-evident cap and detailed product labeling.
    Storage L-Cysteine should be stored in a tightly sealed container in a cool, dry, and well-ventilated area, away from direct sunlight and moisture. Keep it away from incompatible materials such as strong oxidizers. The storage temperature should ideally be below 25°C. Proper labeling and handling precautions should be maintained to prevent contamination or decomposition.
    Shipping L-Cysteine is shipped in tightly sealed containers to prevent moisture absorption and contamination. Transportation complies with standard chemical safety regulations. The product is stored in a cool, dry place away from incompatible substances. Packaging is clearly labeled, and handling guidelines are provided to ensure safe delivery and user protection.
    Free Quote

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

    For samples, pricing, or more information, please call us at +8615651039172 or mail to sales9@alchemist-chem.com.

    We will respond to you as soon as possible.

    Tel: +8615651039172

    Email: sales9@alchemist-chem.com