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Artemether 98% CAS NO.: 71963-77-4
Basic Info
Product Description    

Analysis Item

Specification

 

Appearance

White crystals or crystalline powder, odorless, taste slightly bitter

 

 

Solubility

Very soluble in chloroform or acetone;freely soluble in ethanol or ethyl Acetate, practically insoluble in water 

Melting Point

86~90

Specific optical rotation

+168°~+173°

Identification

A. Color Reaction

A pale yellow color is produced

B. Color Reaction

A peach blow color is produced

C. HPLC

The retention time of main peak of the test and standard are concordant

D. IR

Infrared absorption spectrum of the test and standard (or infrared references spectra No.519) are concordant

Chlorides

0.01%

 

Related substances(HPLC)

Any single impurity 0.5%

 

Any impurity between 0.25% and 0.5% 1

 

Total impurities1%

Residual Solvent(GC)

Methanol 0.3%

 

Dichloromethane 0.06%

Loss on drying

0.5%

Residue on ignition

0.1%

Assay

98%~102%( HPLC)

 

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