Product Data Sheet

Ethinylestradiol impurity 1

Catalog No. A99982

main product photo
Ethinylestradiol impurity 1, also known as 9,11-Dehydro ethynyl estradiol, is a derivative and impurity of the synthetic estrogen Ethinylestradiol. This compound is used primarily as a reference standard in the quality control of pharmaceutical formulations containing Ethinylestradiol. Its presence can affect the overall efficacy and safety profiles of estrogen-based therapies, making it critical for analytical testing in drug development and regulatory compliance.
Chemical Information
Catalog NumA99982
M. Wt294.39
FormulaC20H22O2
Purity>98%
Storageat -20 °C 3 years (powder form); at -20 °C 6 months (Solution base)
CAS No.1231-96-5
Synonyms9,11-Dehydro ethynyl estradiol
SMILESC[C@@]12[C@]([C@]3(C(=CC1)C=4C(CC3)=CC(O)=CC4)[H])(CC[C@]2(C#C)O)[H]
Biological Activity
DescriptionEthinylestradiol impurity 1, also known as 9,11-Dehydro ethynyl estradiol, is a derivative and impurity of the synthetic estrogen Ethinylestradiol. This compound is used primarily as a reference standard in the quality control of pharmaceutical formulations containing Ethinylestradiol. Its presence can affect the overall efficacy and safety profiles of estrogen-based therapies, making it critical for analytical testing in drug development and regulatory compliance.
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SHIPPING AND STORAGE
Adooq products are transported at room temperature. If you receive the product at room temperature, please rest assured, the Adooq Quality Inspection Department has conducted experiments to verify that the normal temperature placement of one month will not affect the biological activity of powder products. After collecting, please store the product according to the requirements described in the datasheet. Most Adooq products are stable under the recommended conditions.