17β-Estradiol; Estradiol Valerate Impurity A
| CAS No. | : 50-28-2 (anhydrous); 35380-71-3 (hemihydrate) |
| Mol F. | : C18H24O2 (anhydrous); C18H24O2 . 1/2 H2O (hemihydrate) |
| Mol W. | : 272.38 (anhydrous); 281.40(hemihydrate) |
| Cat No. | : SA13211 |
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Description
| Product Name | 17β-Estradiol; Estradiol Valerate Impurity A |
| Synonyms | Estra-1,3,5(10)-triene-3,17β-diol
(17β)-Estra-1,3,5(10)-triene-3,17-diol |
| Related API | Estradiol |
| Category | Impurities |
17β-Estradiol; Estradiol Valerate Impurity A product with CAS: 50-28-2 (anhydrous); 35380-71-3 (hemihydrate) is also known as Estra-1,3,5(10)-triene-3,17β-diol; (17β)-Estra-1,3,5(10)-triene-3,17-diol. This product can be used as a working standard or secondary reference standard (additional internal validation as per respective FDA regulations/guidelines may require). This compound is generally used for Quality Control (QC), Quality Assurance (QA) during commercial production of Estradiol and its related formulations. Moreover, Estra-1,3,5(10)-triene-3,17β-diol is also used in the process of Abbreviated New Drug Application (ANDA) filing to FDA and toxicity study of respective drug formulation. Please also find out other impurities of Estradiol developed in our R&D.
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