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19-Nor-17alpha-pregna-1,3,5(10),9(11)-tetraen-20-yne-3,17-diol (9,11-Didehydroethinylestradiol)

Product Code

MM0123.02

CAS Number

1231-96-5

EP Description

Ethinylestradiol Impurity B

USP Description

Ethinyl Estradiol Related Compound B

Product Format

Neat

Molecular Formula

C20 H22 O2

Molecular Weight

294.39

API Family

Ethinylestradiol

Product Categories

Mikromol, Hormones, Impurity Reference Materials

Product Type

Impurity

Drug Type

Sex Hormones

Price and availability

48-hour USA dispatch time
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Product Information

Analyte Data

Analyte Name

9,11-Didehydroethinylestradiol

CAS Number

1231-96-5

Molecular Formula

C20 H22 O2

Molecular Weight

294.39

Accurate Mass

294.162

SMILES

C[C@]12CC=C3[C@@H](CCc4cc(O)ccc34)[C@@H]1CC[C@@]2(O)C#C

InChI

InChI=1S/C20H22O2/c1-3-20(22)11-9-18-17-6-4-13-12-14(21)5-7-15(13)16(17)8-10-19(18,20)2/h1,5,7-8,12,17-18,21-22H,4,6,9-11H2,2H3/t17-,18+,19+,20+/m1/s1

IUPAC

(8S,13S,14S,17R)-17-ethynyl-13-methyl-7,8,12,14,15,16-hexahydro-6H-cyclopenta[a]phenanthrene-3,17-diol

Product Data

Storage Temperature

-18°C

Shipping Temperature

Ice pack (-20°C)

Country of Origin

GERMANY

Tariff Code

29372300

Product Type

Impurity

Product Format

Neat

Impurity Type

Degradation Product

API Family

Ethinylestradiol

Why work with us?

At Mikromol, we go beyond the standard to produce high-quality, globally relevant pharmaceutical reference standards that you can trust. For more than 25 years we have delivered quality reference standards for analytical development, method validation, and stability and release testing to customers around the world.


Alongside a market-leading product range accredited to ISO 17034, the majority of our 5,000+ impurity, API and excipient reference standards are manufactured under ISO/IEC 17025 and accompanied by an extensive Certificate of Analysis.


With unparalleled depth of knowledge, decades of manufacturing experience and unrivalled scientific excellence, we work tirelessly to help you create ever better, safer medicines.


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