Appearance

white crystalline powder

Specific optical rotation

-8.5 - -11.5°C

Absorption coefficient

360-390

pH

4.0-6.0

Related substance

≤2.0%

Limit for Acyclovir

≤1.5%

Drying Loss

≤8.0%

Residue on ignition

≤0.1%

Heavy metal

≤10ppm

Assay

≥98.0%(HPLC)