Year Establishment: 2009

Location: 18-1-802, Green Garden, Jianghan District, Wuhan 430023, China

Main Products: API of Antiviral  drugs

Specifications: Entecavir (CAS:142217-69-4)

Solubility
Soluble in dimethyl formamide , slight soluble
in water.
Identification
1)IR absorbance Spectrum The IR spectrum of the test sample should
match with the IR spectrum of the working
standard.
Conform
2)HPLC The retention time of the majpeak in the
chromatogram of Assay preparation
corresponds to that in theomatogram of
the Standard preparation, as obtained in the
Assay
Conform
Water 5.5%~7.0% 6.18%
Specific Optical Rotation [α]20
D : +35.5°~+41.5°(c=0.5mg/ml in Water) +38.4°
Residue on Ignition N.M.T. 0.1% 0.02%
Heavy metals N.M.T.10ppm Conform
Isomeric impurity N.M.T. 0.10% Not detected
Related Substances Any single impurity: N.M.T. 0.10%
Total other impurities: N.M.T. 0.5%
Not detected
Not detected
Residual solvents
Ethanol: N.M.T. 0.5%
n-Hexane: N.M.T. 0.05%
0.15%
0.01%

Uses Entecavir can be used for the treatment of hepatitis

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