Artemisinin Impurity 4 CAS 181528-64-3

Purity >95%In StockPharmacopoeial Impurity Standards
CAS No.181528-64-3
Molecular FormulaC16H26O5
Molecular Weight298.37 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Artemisinin Impurity 4 CAS 181528-64-3 chemical structure

Description

High-purity Artemisinin Impurity 4 (CAS 181528-64-3) pharmacopoeial impurity standards reference standard. Molecular formula: C16H26O5. Molecular weight: 298.37 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.

Physical & Chemical Properties

Molecular FormulaC16H26O5
Molecular Weight298.37 g/mol
AppearanceOff-white to pale yellow crystalline powder
Purity>95%
StorageStore at room temperature, keep sealed and dry
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityMay oxidize slowly on prolonged air exposure
Degree of Unsaturation (DBE)4.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2008

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