CAS No.: 129453-61-8

Place of Origin: China (Mainland)

Purity: 99%

Test Item

Specification

Results

Appearance

A white to off-white crystalline powder

A white crystalline powder

Identification

The retention time of the major peak in the chromatogram of the assay preparation is same as that of the standard preparation obtained in the assay

Conform

Any Individual impurity

Not more than 0.10%

0.18%

Total impurities

Not more than 1.0%

0.44%

Ratio of

isomers

Fulvestrant A

50.0%-60.0%

51.70%

Fulvestrant B

40.0%-50.0%

47.86%

purity

99.0%

       99.56%