Terbinafine; CAS 91161-71-6

HPLC:The retention time of the major peak of the sample solution corresponds to that of the standard solution, as obtained in the assay.

IR: The infrared absorption spectrum of the sample complies with the reference standard.

D

<=0. 5%

I

<=0.1%

^-)

<=0.05%

S

Impurity B<=0.10%

Impurity E<=0.05%

Single unspecified impurity <=0.10%

Total impurities<=0.3%

M

<=10ppm

S

Ethyl acetate<=0.5%

Isopropyl alcohol<=0.5%

Dichloromethane<=0.06%

Ethanol<=0. 5%

98.0%~102.0%