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Ulipristal acetate is a progesterone agonist/antagonist whose mechanism of action is to inhibit or delay ovulation.
As progesterone promotes the growth of uterine fibroids, the blocking characteristic of ulipristal acetate can thereby be used to reduce the size of uterine fibroids. Ulipristal acetate has also shown efficacy with a significant reduction in uterine bleeding caused by uterine fibroids. The treatment of fibroids by ulipristal acetate should begin in the first week of a menstrual period.
| Items | Specifications | Results |
| Appearance | White or light yellow crystalline powder | White or light yellow crystalline powder |
| Melting point | 183-188℃ | 185-188℃ |
| Specific rotation | +192.0°～+202.0° | +195.8° |
| Related substances | ≤1.0% | 0.15% |
| Acetic acid | ≤0.5% | N.D. |
| Loss on drying | ≤0.5% | 0.30% |
| Residue on ignition | ≤0.1% | 0.06% |
| Heavy metal | ≤10ppm | ≤10ppm |
| Assay | ≥98.5% | 99.38% |
| Product parameters | |
| Cas number: | 126784-99-4 |
| Appearance: | White or light yellow crystalline powder |
| Purity: | 98.5%min |
| Package details: | 1kg/foil bag; 25kg/drum |
| Brand: | Fortunachem |
Ulipristal acetate is a medication used for emergency contraception and uterine fibroid.
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