5-Androsten-3beta-ol-17-one ethyleneketal

Name: 5-Androsten-3beta-ol-17-one ethyleneketal
Brand: Vaqora Chemicals
SKU: VQ-021386

About 5-Androsten-3beta-ol-17-one ethyleneketal

5-Androsten-3beta-ol-17-one ethyleneketal (CAS 7745-40-6) is an impurity of Abiraterone offered by Vaqora Chemicals. The compound has the formula C21H32O3, corresponding to a molecular weight of 332.5 g/mol. Common synonyms include 5-Androsten-3b-Ol-17-One Ethyleneketal and 5-Androsten-3β-ol-17-one ethyleneketal.

It is supplied as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. Handle it with standard laboratory precautions and appropriate personal protective equipment.

Pharmaceutical QC and development laboratories use this impurity standard of Abiraterone to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

We offer 5-Androsten-3beta-ol-17-one ethyleneketal 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 Abiraterone

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

Abiraterone impurities

Specifications & identifiers

Chemical identifiers
Product name	5-Androsten-3beta-ol-17-one ethyleneketal
Catalogue No.	VQ-021386
CAS Number	7745-40-6
IUPAC name	(3S,8R,9S,10R,13S,14S)-10,13-dimethylspiro[1,2,3,4,7,8,9,11,12,14,15,16-dodecahydrocyclopenta[a]phenanthrene-17,2'-1,3-dioxolane]-3-ol
Molecular formula	C₂₁H₃₂O₃
Molecular weight	332.5 g/mol
Exact mass	332.2351
Grade	Reference Standard
HSN code	38229090
InChIKey	SXXRMGBMPQWUTB-XSEPRYCASA-N
SMILES	C[C@]12CC[C@@H](CC1=CC[C@@H]3[C@@H]2CC[C@]4([C@H]3CCC45OCCO5)C)O
PubChem CID	11823779

Physical properties
Physical form	Solid
LogP (XLogP3)	3.6
H-bond donors / acceptors	1 / 3
TPSA	38.7 Å²
Synonyms	5-Androsten-3b-Ol-17-One Ethyleneketal, 5-Androsten-3β-ol-17-one ethyleneketal, 5-Androsten-three beta-ol-17-one ethyleneketal, DHEA ethylene ketal, 17,17-Ethylendioxyandrost-5-en-3, A-ol, 17,17-(ethylendioxy)-5-androsten-3beta-ol, 3beta-Hydroxyandrost-5-en-17-one cyclic ethylene acetal, Androst-5-en-17-one, 3beta-hydroxy-, cyclic ethylene acetal, Androst-5-en-17-one, 3-hydroxy-, cyclic 1,2-ethanediyl acetal, (3beta)-

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 5-Androsten-3beta-ol-17-one ethyleneketal?

The CAS Registry Number of 5-Androsten-3beta-ol-17-one ethyleneketal is 7745-40-6. It is also known as 5-Androsten-3b-Ol-17-One Ethyleneketal, 5-Androsten-3β-ol-17-one ethyleneketal, 5-Androsten-three beta-ol-17-one ethyleneketal.

What is the molecular formula and molecular weight of 5-Androsten-3beta-ol-17-one ethyleneketal?

5-Androsten-3beta-ol-17-one ethyleneketal has the molecular formula C21H32O3 and a molecular weight of 332.5 g/mol. Its IUPAC name is (3S,8R,9S,10R,13S,14S)-10,13-dimethylspiro[1,2,3,4,7,8,9,11,12,14,15,16-dodecahydrocyclopenta[a]phenanthrene-17,2'-1,3-dioxolane]-3-ol.

What is 5-Androsten-3beta-ol-17-one ethyleneketal used for?

5-Androsten-3beta-ol-17-one ethyleneketal is supplied as a characterised reference material related to Abiraterone. 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 5-Androsten-3beta-ol-17-one ethyleneketal can I order?

We supply 5-Androsten-3beta-ol-17-one ethyleneketal 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 5-Androsten-3beta-ol-17-one ethyleneketal?

Yes. Every lot of 5-Androsten-3beta-ol-17-one ethyleneketal 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 5-Androsten-3beta-ol-17-one ethyleneketal be shipped internationally?

Yes. We export 5-Androsten-3beta-ol-17-one ethyleneketal worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.