4-Androsten-3-Beta-ol-17-one

Name: 4-Androsten-3-Beta-ol-17-one
Brand: Vaqora Chemicals
SKU: VQ-028942

About 4-Androsten-3-Beta-ol-17-one

Listed under CAS 571-44-8, 4-Androsten-3-Beta-ol-17-one is an impurity of Exemestane available from Vaqora Chemicals. The compound has the formula C19H28O2, corresponding to a molecular weight of 288.4 g/mol. Alternative names: 4-Androsten-3β-ol-17-one and 3beta-Hydroxy-4-androstenone.

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.

Pharmaceutical QC and development laboratories use this impurity standard of Exemestane to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

We offer 4-Androsten-3-Beta-ol-17-one 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 Exemestane

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

Exemestane impurities

Specifications & identifiers

Chemical identifiers
Product name	4-Androsten-3-Beta-ol-17-one
Catalogue No.	VQ-028942
CAS Number	571-44-8
IUPAC name	(3S,8R,9S,10R,13S,14S)-3-hydroxy-10,13-dimethyl-1,2,3,6,7,8,9,11,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-17-one
Molecular formula	C₁₉H₂₈O₂
Molecular weight	288.4 g/mol
Exact mass	288.2089
Grade	Reference Standard
HSN code	38229090
InChIKey	VMYTXBKVYDESSJ-USOAJAOKSA-N
SMILES	C[C@]12CC[C@@H](C=C1CC[C@@H]3[C@@H]2CC[C@]4([C@H]3CCC4=O)C)O
PubChem CID	9947889

Physical properties
Physical form	Solid
LogP (XLogP3)	2.8
H-bond donors / acceptors	1 / 2
TPSA	37.3 Å²
Synonyms	4-Androsten-3β-ol-17-one, 3beta-Hydroxy-4-androstenone, 3Beta-hydroxyandrost-4-en-17-one, 4-Androstene-3beta-ol,17-one, Androst-4-en-17-one, 3-hydroxy-, (3beta)-, 3b-Hydroxy-4-androstenone, 3-Hydroxy-4-androstenone, 3, A-Hydroxy-4-androstenone, 3b-hydroxyandrost-4-ene-17-one

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 4-Androsten-3-Beta-ol-17-one?

The CAS Registry Number of 4-Androsten-3-Beta-ol-17-one is 571-44-8. It is also known as 4-Androsten-3β-ol-17-one, 3beta-Hydroxy-4-androstenone, 3Beta-hydroxyandrost-4-en-17-one.

What is the molecular formula and molecular weight of 4-Androsten-3-Beta-ol-17-one?

4-Androsten-3-Beta-ol-17-one has the molecular formula C19H28O2 and a molecular weight of 288.4 g/mol. Its IUPAC name is (3S,8R,9S,10R,13S,14S)-3-hydroxy-10,13-dimethyl-1,2,3,6,7,8,9,11,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-17-one.

What is 4-Androsten-3-Beta-ol-17-one used for?

4-Androsten-3-Beta-ol-17-one is supplied as a characterised reference material related to Exemestane. 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 4-Androsten-3-Beta-ol-17-one can I order?

We supply 4-Androsten-3-Beta-ol-17-one 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 4-Androsten-3-Beta-ol-17-one?

Yes. Every lot of 4-Androsten-3-Beta-ol-17-one 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 4-Androsten-3-Beta-ol-17-one be shipped internationally?

Yes. We export 4-Androsten-3-Beta-ol-17-one worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.