Product Description
| Product Name | 4-Hydroxy Ethinylestradiol |
| Synonyms | (17α)-19-Norpregna-1,3,5(10)-trien-20-yne-3,4,17-triol17α-Ethynylestra-1,3,5(10)-triene-3,4,17β-triol
19-Nor-17α-pregna-1,3,5(10)-trien-20-yne-3,4,17-triol |
| Related API | Ethinylestradiol |
| Category | Impurities |




