Demei Chemicals Demei Chemicals

Artemisinin

CAS: 63968-64-9

Category: Terpenoids

Purity≥98% HPLC, ≥95% Natural Extract Grade, Pharmaceutical Secondary Standard
Molecular FormulaC15H22O5
Molecular Weight282.33
AppearanceColorless needles or white crystalline powder
Packaging1 kg / 5 kg – food-grade aluminium foil bag with PE liner; 25 kg – fibreboard drum with two PE liners & desiccant
Testing IndicatorsAppearance — Visual inspection; Melting point — Capillary; Purity — HPLC; Identification — IR, LC-MS; Specific rotation — Polarimetry; Related sesquiterpenes — TLC; Residual solvents — GC; Heavy metals — ICP-MS; Microbial limits — Plating.
Storage NotesStore cool (≤20 °C), dry, in the dark; keep sealed under nitrogen head-space; avoid prolonged exposure to air, heat, acids, or peroxides which open the peroxide bridge.
Lead Time
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days
Starting material for semi-synthetic artemether, arteether, artesunate antimalarial APIs

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