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    • Artemisinin CAS 63968-64-9

    Artemisinin CAS 63968-64-9

    Artemisinin, also called qinghaosu, CAS 63968-64-9, is a white needle-like crystalline antimalarial API supplied for pharmaceutical, oncology-research, and veterinary applications. Confirm the required grade and specification, then request a quotation with COA/TDS/SDS for bulk supply.

    • CAS: 63968-64-9
    • Synonyms: Qinghaosu, Arteannuin, Artemisinine, Huanghuahaosu, Octahydro-3,6,9-trimethyl-3,12-epoxy-12H-pyrano[4,3-j]-1,2-benzodioxepin-10(3H)-one
    • Einecs: 1308068-626-2
    • Molecular Formula: C15H22O5
    • Grade: Pharmaceutical Grade / USP / EP / CP
    • Package: 25kg/drum, 1kg/bag, or customized bulk supply
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    Product Description

    Artemisinin CAS 63968-64-9, also called qinghaosu or arteannuin, is a sesquiterpene lactone with the molecular formula C15H22O5 and EINECS 1308068-626-2.

    Synonyms: Qinghaosu; Arteannuin; Artemisinine; Huanghuahaosu; Octahydro-3,6,9-trimethyl-3,12-epoxy-12H-pyrano[4,3-j]-1,2-benzodioxepin-10(3H)-one.

    CAS: 63968-64-9.

    Molecular formula: C15H22O5.

    It is a white needle-like crystalline powder, practically odorless, with an HPLC assay of 99.0-101.0%.

    Specific rotation is about +75° to +78° and melting point about 150-153 °C.

    Loss on drying is not more than 0.5%, residue on ignition not more than 0.1%, and related substances not more than 0.2% individually and 0.5% total.

    Heavy metals are not more than 10 ppm and arsenic not more than 2 ppm; it is practically insoluble in water and soluble in chloroform, acetone, and ethyl acetate.

    As an antimalarial API it is the primary raw material for artemisinin-based combination therapies (ACTs).

    As a pharmaceutical intermediate it is the starting material for dihydroartemisinin (DHA), artesunate, and artemether.

    In oncology research it is used to explore endoperoxide-mediated cytotoxicity in specific cancer cell lines.

    In veterinary medicine it is used in anti-parasitic treatments for livestock and companion animals.

    Store in a cool, dry, well-ventilated warehouse, tightly closed and protected from light; long-term stability is best at 2-8 °C.

    Wear chemical-resistant gloves, safety goggles, and a dust-filtering mask; use local exhaust ventilation during handling.

    Avoid generating dust during bulk transfer and keep exposure below recommended industrial limits.

    Every batch is verified by HPLC for assay, GC for residual solvents, and IR/NMR for molecular identity and chiral purity, under GMP-aligned protocols.

    Confirm appearance, assay, specific rotation, melting point, related substances, heavy metals, packaging, and grade as required.

    The page is an RFQ entry point and does not state stock, price, MOQ, or fixed lead time.

    For an RFQ, state the intended application, required grade, quantity, packaging, destination, and document needs.

    FAQ - Technical & Supply Chain

    • Q:

      What is Artemisinin CAS 63968-64-9?

      A: CAS 63968-64-9 is artemisinin, a sesquiterpene lactone originally isolated from Artemisia annua. It is also known as qinghaosu or arteannuin and has the molecular formula C15H22O5 with a molecular weight of about 282.33.
    • Q:

      How does artemisinin differ from artesunate and artemether?

      A: Artemisinin CAS 63968-64-9 is the parent natural product, while artesunate and artemether are semi-synthetic derivatives with different CAS numbers, solubility, and formulation profiles. Artemisinin is usually the starting material that is converted into those derivative APIs.
    • Q:

      What are the main pharmaceutical applications?

      A: It is used as an antimalarial API and as the precursor for artemisinin-based combination therapies, dihydroartemisinin, artesunate, and artemether. It is also studied in oncology research for endoperoxide-mediated activity and used in selected veterinary antiparasitic formulations.
    • Q:

      What are the key specifications of the pharmaceutical grade?

      A: The pharmaceutical grade is a white needle-like crystalline powder with an HPLC assay of 99.0-101.0%, specific rotation of about +75 to +78 degrees, and melting point around 150-153 C. Related substances, loss on drying, and heavy metals are controlled to pharmacopoeial limits.
    • Q:

      What is the solubility profile of Artemisinin CAS 63968-64-9?

      A: Artemisinin is practically insoluble in water and soluble in organic solvents such as chloroform, acetone, ethyl acetate, methanol, and DMSO. This low aqueous solubility is one reason it is commonly converted to more soluble derivatives for finished pharmaceutical formulations.

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