Estrone 17-Ethylene Ketal

Name: Estrone 17-Ethylene Ketal
Brand: Vaqora Chemicals
SKU: VQ-025649

About Estrone 17-Ethylene Ketal

Estrone 17-Ethylene Ketal (CAS 900-83-4) is an impurity of Estrone offered by Vaqora Chemicals. With the molecular formula C20H26O3, it has a molar mass of 314.4 g/mol.

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. Good laboratory practice and suitable PPE are recommended during handling.

As a characterised impurity of Estrone, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

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

Industries

Related to Estrone

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

Estrone impurities

Specifications & identifiers

Chemical identifiers
Product name	Estrone 17-Ethylene Ketal
Catalogue No.	VQ-025649
CAS Number	900-83-4
IUPAC name	(8'R,9'S,13'S,14'S)-13'-methylspiro[1,3-dioxolane-2,17'-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthrene]-3'-ol
Molecular formula	C₂₀H₂₆O₃
Molecular weight	314.4 g/mol
Exact mass	314.1882
Grade	Reference Standard
HSN code	38229090
InChIKey	TWYONAIDRKGWBX-YRXWBPOGSA-N
SMILES	C[C@]12CC[C@H]3[C@H]([C@@H]1CCC24OCCO4)CCC5=C3C=CC(=C5)O
PubChem CID	10870746

Physical properties
Physical form	Solid
LogP (XLogP3)	4.1
H-bond donors / acceptors	1 / 3
TPSA	38.7 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 Estrone 17-Ethylene Ketal?

The CAS Registry Number of Estrone 17-Ethylene Ketal is 900-83-4. It is also known as 3-Hydroxy-estra-1,3,5(10)-trien-17-one Cyclic 1,2-Ethanediyl Acetal.

What is the molecular formula and molecular weight of Estrone 17-Ethylene Ketal?

Estrone 17-Ethylene Ketal has the molecular formula C20H26O3 and a molecular weight of 314.4 g/mol. Its IUPAC name is (8'R,9'S,13'S,14'S)-13'-methylspiro[1,3-dioxolane-2,17'-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthrene]-3'-ol.

What is Estrone 17-Ethylene Ketal used for?

Estrone 17-Ethylene Ketal is supplied as a characterised reference material related to Estrone. 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 Estrone 17-Ethylene Ketal can I order?

We supply Estrone 17-Ethylene Ketal 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 Estrone 17-Ethylene Ketal?

Yes. Every lot of Estrone 17-Ethylene Ketal 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 Estrone 17-Ethylene Ketal be shipped internationally?

Yes. We export Estrone 17-Ethylene Ketal worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.