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Ethynyl estradiol is used to supplement estrogen deficiencies and treat female gonadal dysfunction, amenorrhea, menopausal syndrome, etc.; it can also be used for the treatment of advanced breast cancer and advanced prostate cancer.
| Item | Specifications | Results |
| Appearance | White or slightly yellow-white crystalline powder | white crystalline powder |
| Specific optical rotation | -27°~ -30° | -28.6° |
| Loss on drying | ≤1.0% | 0.35% |
| Residual Solvents | Acetone≤0.5% | 0.05% |
| Assay | 97.0~102.0% (on the dried basis) | 99.29% |
| Product parameters | |
| Cas number: | 57-63-6 |
| Appearance: | white crystalline powder |
| Purity: | 97.0~102.0% |
| Package details: | 1kg/bag |
| Brand: | Fortunachem |

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