Clemastine Fumarate

    • Product Name: Clemastine Fumarate
    • Chemical Name (IUPAC): 2-[(R)-1-α-phenyl-1-(4-chlorophenyl)ethoxy]-N,N-dimethylethylamine (E)-butenedioate
    • CAS No.: 14976-57-9
    • Chemical Formula: C21H26ClNO·C4H4O4
    • Form/Physical State: Solid
    • Factroy Site: No. 777, Shengli West Road, Yuhui District, Bengbu City, Anhui Province, China
    • Price Inquiry: sales3@ascent-chem.com
    • Manufacturer: Anhui BBCA Group Co., Ltd
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    Specifications

    HS Code

    689140

    Generic Name Clemastine Fumarate
    Drug Class First-generation antihistamine
    Indications Allergic rhinitis, urticaria, itching
    Route Of Administration Oral
    Mechanism Of Action Histamine H1 receptor antagonist
    Common Brand Names Tavist, Tavegil
    Dosage Form Tablet, syrup
    Half Life Approximately 21 hours
    Side Effects Drowsiness, dry mouth, dizziness
    Contraindications Narrow-angle glaucoma, urinary retention

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

    Application of Clemastine Fumarate

    Purity 98%: Clemastine Fumarate with purity 98% is used in pharmaceutical tablet manufacturing, where it ensures consistent antihistaminic efficacy and controlled dosage delivery.

    Melting Point 158-160°C: Clemastine Fumarate with a melting point of 158-160°C is used in solid formulation development, where it provides thermal stability during processing and storage.

    Particle Size D90 <50 μm: Clemastine Fumarate with particle size D90 less than 50 μm is used in oral suspension preparations, where it enhances dissolution rate and bioavailability.

    Stability at 40°C: Clemastine Fumarate with stability at 40°C is used in high-temperature shipping environments, where it maintains chemical integrity and potency over extended periods.

    Water Content <0.5%: Clemastine Fumarate with water content less than 0.5% is used in lyophilized injectable formulations, where it prevents hydrolytic degradation and ensures product longevity.

    Optical Rotation -47° to -51°: Clemastine Fumarate with optical rotation between -47° and -51° is used in chiral drug synthesis, where it guarantees enantiomeric purity and consistent biological activity.

    Residual Solvent <100 ppm: Clemastine Fumarate with residual solvent content below 100 ppm is used in pediatric syrup formulations, where it minimizes organic impurities and enhances patient safety.

    Packing & Storage
    Packing White, rectangular cardboard box labeled "Clemastine Fumarate Tablets 1 mg," containing 30 blister-packed tablets with clear dosage instructions.
    Container Loading (20′ FCL) Clemastine Fumarate, packed in 25kg fiber drums, fits approximately 8 metric tons per 20′ FCL, ensuring safe transport.
    Shipping Clemastine Fumarate is shipped in tightly sealed, clearly labeled containers to prevent moisture and light exposure. It is transported as a non-hazardous pharmaceutical product, following standard safety protocols. Packaging meets international regulations to ensure stability and integrity during transit. Documentation accompanies each shipment for regulatory compliance and traceability.
    Storage Clemastine Fumarate should be stored at controlled room temperature, ideally between 20°C to 25°C (68°F to 77°F). The storage area must be dry, well-ventilated, and away from direct sunlight, moisture, and heat sources. Keep the container tightly closed and protected from light. Ensure it is stored out of reach of children and unauthorized personnel.
    Shelf Life The shelf life of Clemastine Fumarate is typically 3-5 years when stored in a cool, dry place, away from light.
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    Email: sales3@ascent-chem.com

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