17beta-Dihydro-17alpha-ethynyl-equillenin

Name: 17beta-Dihydro-17alpha-ethynyl-equillenin
Brand: Vaqora Chemicals
SKU: VQ-025643

About 17beta-Dihydro-17alpha-ethynyl-equillenin

17beta-Dihydro-17alpha-ethynyl-equillenin (CAS 1357266-17-1) is an impurity of Ethinylestradiol offered by Vaqora Chemicals. With the molecular formula C20H20O2, it has a molar mass of 292.4 g/mol. Systematically, it is named (13S,14S,17R)-17-ethynyl-13-methyl-12,14,15,16-tetrahydro-11H-cyclopenta[a]phenanthrene-3,17-diol. Alternative names: 17β-Dihydro-17α-ethynyl-equillenin and 17b-Dihydro-17a-ethynyl-equilenin.

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. Handle it with standard laboratory precautions and appropriate personal protective equipment.

As a characterised impurity of Ethinylestradiol, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. It is used across pharmaceutical manufacturing and academic and industrial research.

We offer 17beta-Dihydro-17alpha-ethynyl-equillenin in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Industries

Related to Ethinylestradiol

View every impurity, metabolite and intermediate we list for Ethinylestradiol.

Ethinylestradiol impurities

Specifications & identifiers

Chemical identifiers
Product name	17beta-Dihydro-17alpha-ethynyl-equillenin
Catalogue No.	VQ-025643
CAS Number	1357266-17-1
IUPAC name	(13S,14S,17R)-17-ethynyl-13-methyl-12,14,15,16-tetrahydro-11H-cyclopenta[a]phenanthrene-3,17-diol
Molecular formula	C₂₀H₂₀O₂
Molecular weight	292.4 g/mol
Exact mass	292.1463
Grade	Reference Standard
HSN code	38229090
InChIKey	WADRLWZAEUTLMS-UFYCRDLUSA-N
SMILES	C[C@]12CCC3=C([C@@H]1CC[C@]2(C#C)O)C=CC4=C3C=CC(=C4)O
PubChem CID	13991399

Physical properties
Physical form	Solid
LogP (XLogP3)	3.7
H-bond donors / acceptors	2 / 2
TPSA	40.5 Å²

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of 17beta-Dihydro-17alpha-ethynyl-equillenin?

The CAS Registry Number of 17beta-Dihydro-17alpha-ethynyl-equillenin is 1357266-17-1. It is also known as 17β-Dihydro-17α-ethynyl-equillenin, 17b-Dihydro-17a-ethynyl-equilenin, (17alpha)-19-Norpregna-1,3,5,7,9-pentaen-20-yne-3,17-diol.

What is the molecular formula and molecular weight of 17beta-Dihydro-17alpha-ethynyl-equillenin?

17beta-Dihydro-17alpha-ethynyl-equillenin has the molecular formula C20H20O2 and a molecular weight of 292.4 g/mol. Its IUPAC name is (13S,14S,17R)-17-ethynyl-13-methyl-12,14,15,16-tetrahydro-11H-cyclopenta[a]phenanthrene-3,17-diol.

What is 17beta-Dihydro-17alpha-ethynyl-equillenin used for?

17beta-Dihydro-17alpha-ethynyl-equillenin 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 17beta-Dihydro-17alpha-ethynyl-equillenin can I order?

We supply 17beta-Dihydro-17alpha-ethynyl-equillenin in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 17beta-Dihydro-17alpha-ethynyl-equillenin?

Yes. Every lot of 17beta-Dihydro-17alpha-ethynyl-equillenin 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 17beta-Dihydro-17alpha-ethynyl-equillenin be shipped internationally?

Yes. We export 17beta-Dihydro-17alpha-ethynyl-equillenin worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.