High-Purity Methotrexate Disodium
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Minimum Order Quantity: 1g/10g/1kg.
Payment Terms: T/T 100% in advance.
Sample Policy: Free sample, buyer pays shipping.
Place of Origin: China
Appearance: Light yellow or dark yellow powder
Synonyms: Methotrexate disodium salt; 7413-34-5; Sodium methotrexate; METHOTREXATE SODIUM; MTX disodium
CAS NO.: 7413-34-5
Molecular Formula: C20H20N8Na2O5
Molecular Weight: 498.411
Use: Animal Pharmaceuticals
Shelf life:3 Years
Storage:Sealed in a cool dry environment at 0-6℃
Main Function: pharmaceutical intermediate
Application: pharma grade or research purpose
Purity: 99%min
Place of Origin: China
MOQ: 1kg
Payment Term: T/T 100% paid in advance
Active Pharmaceutical Ingredients High-Purity Methotrexate Disodium
Methotrexate Sodium is the sodium salt of methotrexate, an antimetabolite with antineoplastic and immunomodulating properties. It is an inhibitor of TETRAHYDROFOLATE DEHYDROGENASE and prevents the formation of tetrahydrofolate, necessary for synthesis of thymidylate, an essential component of DNA.
Methotrexate Sodium is used to treat cancer cells, also known as poison, in order to reduce the toxicity of cytotoxic, with leucovorin used together, mainly used for the treatment of acute leukemia (acute lymphoblastic leukemia), breast cancer, choriocarcinoma and malignant mole, head and neck cancer, bone tumor, meningeal leukemia spinal cord infiltration, lung cancer, reproductive system tumor, liver cancer, refractory common psoriasis, dermatomyositis, body myositis, ankylosing spondylitis, Crohn's disease, psoriasis and psoriatic arthritis, Behcet's disease and autoimmune disease. Methotrexate is also an immunosuppressant, which can relieve the rheumatic process, and is especially effective in the treatment of synovitis of rheumatoid arthritis. It is one of the most widely used drugs in patients with rheumatoid diseases. The main side effects of methotrexate include nausea, vomiting and diarrhea, impaired liver function, oral ulcers, pneumonia, sepsis, and Kaposi's, mild fatigue and headaches, and dry skin.
Methotrexate binds to and inhibits the enzyme dihydrofolate reductase, resulting in inhibition of purine nucleotide and thymidylate synthesis and, subsequently, inhibition of DNA and RNA syntheses. Methotrexate also exhibits potent immunosuppressant properties.
Ecological data: This substance may be harmful to the environment and specific attention should be paid to water bodies.
Nature and stability: It will not decompose if used and stored in accordance with specifications.
Packaging Standards
To ensure product integrity and safety during global transit, we implement strict packaging standards tailored to your order volume. From laboratory samples to bulk production, your goods are secured against moisture, light, and contamination.

1g – 1kg: Sample & R&D Packs
Packaging: High-quality Aluminum Foil Bag.
Features: Vacuum-sealed option available. Provides a perfect barrier against light and moisture.
Ideal for: Samples, trial orders, and high-value active ingredients.

5kg – 10kg: Mid-Sized Cartons
Packaging: Reinforced Corrugated Carton.
Protection: Inside packed with double-layer PE plastic bags to prevent leakage.
Ideal for: Pilot production and air freight shipments.

25kg: Standard Bulk Drums
Packaging: Robust Fiber Drum (Standard Net Weight: 25kg).
Protection: Equipped with double sterile inner liners and tamper-evident seals. Designed for maximum durability and stacking stability.
Ideal for: Large-scale manufacturing and sea freight.

1kg: Professional R&D Bottle for Liquid
Packaging: HDPE or premium Fluorinated bottle.
Sealing: Triple-lock system: induction foil, internal plug, and tamper-evident cap.
Features: Ergonomic, chemical-resistant design for pouring precision and stability.
Best for: High-value actives, R&D samples, and pilot batches.

25kg: Industrial Jerrycan for Liquid
Packaging: Heavy-duty, UN-certified HDPE container.
Sealing: Precision neck with high-torque tamper-evident cap and leak-proof gaskets.
Features: Integrated handle and reinforced walls for superior stacking stability.
Best for: Bulk procurement and international sea/air freight.
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