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VAQORAEthynylestradiol
Synonyms: (17α)-19-Norpregna-1,3,5(10)-trien-20-yne-3,17-diol · 7-Nor-17α-pregna-1,3,5-(10)-trien-20-yne-3,17-diol · 17α-Ethynylestra-1,3,5(10)-triene-3,17β-diol · 17α-Ethinyl-1,3,5(10)-estratriene-3,17-diol
CAS No.57-63-6
FormulaC20H24O2
Mol. weight296.40
Catalogue No.VQ-013426
PurityReference Standard
HSN—
Ethynylestradiol (CAS 57-63-6) – Ethinylestradiol intermediate. C20H24O2, MW 296.4. Buy from Vaqora Chemicals with COA and worldwide shipping.
Pack sizesPrice on quotation · bulk available
10 mg
25 mg
50 mg
100 mg
250 mg
Bulk / custom pack · kg to MT
Enquire Batch COA with every lot
16-section GHS SDS
Export to 120+ countries
DG-compliant packing
About Ethynylestradiol
Vaqora Chemicals supplies Ethynylestradiol, a process intermediate or related compound of Ethinylestradiol registered under CAS number 57-63-6. With the molecular formula C20H24O2, it has a molar mass of 296.4 g/mol. Its systematic (IUPAC) name is (8R,9S,13S,14S,17R)-17-ethynyl-13-methyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthrene-3,17-diol. Alternative names: 17α-Ethynylestra-1,3,5(10)-triene-3,17β-diol and 17α-Ethinyl-1,3,5(10)-estratriene-3,17-diol.
The product is provided as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. It carries the GHS signal word “Danger” with 5 hazard statements. Review the Safety Data Sheet before use.
It is a process intermediate or related compound in the synthesis of Ethinylestradiol, useful for route development, impurity fate-and-purge studies and analytical method development. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.
Vaqora Chemicals supplies Ethynylestradiol in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide. This item is currently in stock for prompt dispatch.
Typical applications
- API route development
- Impurity fate & purge studies
- Analytical method development
Industries
Related to Ethinylestradiol
View every impurity, metabolite and intermediate we list for Ethinylestradiol.
Ethinylestradiol impuritiesSpecifications & identifiers
| Product name | Ethynylestradiol |
|---|---|
| Catalogue No. | VQ-013426 |
| CAS Number | 57-63-6 |
| IUPAC name | (8R,9S,13S,14S,17R)-17-ethynyl-13-methyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthrene-3,17-diol |
| Molecular formula | C20H24O2 |
| Molecular weight | 296.4 g/mol |
| Exact mass | 296.1776 |
| Grade | Reference Standard |
| InChIKey | BFPYWIDHMRZLRN-SLHNCBLASA-N |
| SMILES | C[C@]12CC[C@H]3[C@H]([C@@H]1CC[C@]2(C#C)O)CCC4=C3C=CC(=C4)O |
| PubChem CID | 5991 |
| Physical form | Solid |
|---|---|
| LogP (XLogP3) | 3.7 |
| H-bond donors / acceptors | 2 / 2 |
| TPSA | 40.5 Ų |
| Synonyms | (17α)-19-Norpregna-1,3,5(10)-trien-20-yne-3,17-diol, 7-Nor-17α-pregna-1,3,5-(10)-trien-20-yne-3,17-diol, 17α-Ethynylestra-1,3,5(10)-triene-3,17β-diol, 17α-Ethinyl-1,3,5(10)-estratriene-3,17-diol, 17α-Ethynylestradiol, Amenoron, Eticylol, Eticyclin, Etivex, Feminone, Gynolett, Kolpolyn |
Safety & hazard information (GHS)
Signal word: Danger
Hazard statements
H302Harmful if swallowedH350May cause cancerH360May damage fertility or the unborn childH372Causes damage to organs through prolonged or repeated exposureH410Very toxic to aquatic life with long lasting effects
Precautionary statements: P203, P260, P264, P270, P273, P280, P301 + P317, P318, P319, P330, P391, P405, P501
Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.
Documents
Frequently asked questions
What is the CAS number of Ethynylestradiol?
The CAS Registry Number of Ethynylestradiol is 57-63-6. It is also known as (17α)-19-Norpregna-1,3,5(10)-trien-20-yne-3,17-diol, 7-Nor-17α-pregna-1,3,5-(10)-trien-20-yne-3,17-diol, 17α-Ethynylestra-1,3,5(10)-triene-3,17β-diol.
What is the molecular formula and molecular weight of Ethynylestradiol?
Ethynylestradiol has the molecular formula C20H24O2 and a molecular weight of 296.4 g/mol. Its IUPAC name is (8R,9S,13S,14S,17R)-17-ethynyl-13-methyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthrene-3,17-diol.
What is Ethynylestradiol used for?
Ethynylestradiol is supplied as a characterised reference material related to Ethinylestradiol. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.
Which grade and pack sizes of Ethynylestradiol can I order?
We supply Ethynylestradiol in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg, 250 mg packs. Larger bulk quantities and custom packing are quoted on request.
Do you provide a COA and SDS with Ethynylestradiol?
Yes. Every lot of Ethynylestradiol is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.
Can Ethynylestradiol be shipped internationally?
Yes. Ethynylestradiol is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.
Enquire about Ethynylestradiol
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