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ITEM | SPECIFICATION |
Description | White or practically white ,odorless powder |
Identification | IR (197M) |
Melting range | Melting range between 173179 |
Specific rotation | Specific rotation 76+°to +83° |
Loss on drying | Not more than 3.5% |
Chromatographic purity | The sum of impurities not more than 1.0%
Particularity impurities not more than 0.5% |
Assay | 97.0103.0on the anhydrous basis
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api Estradiol