Pregna-1,4-diene-3-one, 17,20-dihydroxy-6-met… 1204325-02-9

Name: Pregna-1,4-diene-3-one, 17,20-dihydroxy-6-methylene
Brand: Vaqora Chemicals
SKU: VQ-025689

About Pregna-1,4-diene-3-one, 17,20-dihydroxy-6-methylene

Vaqora Chemicals supplies Pregna-1,4-diene-3-one, 17,20-dihydroxy-6-methylene, an impurity of Exemestane registered under CAS number 1204325-02-9. Its molecular formula is C22H30O3 and its molecular weight is 342.5 g/mol.

The product is provided as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying 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.

Vaqora Chemicals supplies Pregna-1,4-diene-3-one, 17,20-dihydroxy-6-methylene in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports 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	Pregna-1,4-diene-3-one, 17,20-dihydroxy-6-methylene
Catalogue No.	VQ-025689
CAS Number	1204325-02-9
IUPAC name	(8R,9S,10R,13S,14S,17R)-17-hydroxy-17-(1-hydroxyethyl)-10,13-dimethyl-6-methylidene-7,8,9,11,12,14,15,16-octahydrocyclopenta[a]phenanthren-3-one
Molecular formula	C₂₂H₃₀O₃
Molecular weight	342.5 g/mol
Exact mass	342.2195
Grade	Reference Standard
HSN code	38229090
InChIKey	CUAMIHNABOQGCQ-ZLSBJXMFSA-N
SMILES	CC([C@]1(CC[C@@H]2[C@@]1(CC[C@H]3[C@H]2CC(=C)C4=CC(=O)C=C[C@]34C)C)O)O
PubChem CID	178874176

Physical properties
Physical form	Solid
LogP (XLogP3)	3
H-bond donors / acceptors	2 / 3
TPSA	57.5 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 Pregna-1,4-diene-3-one, 17,20-dihydroxy-6-methylene?

The CAS Registry Number of Pregna-1,4-diene-3-one, 17,20-dihydroxy-6-methylene is 1204325-02-9.

What is the molecular formula and molecular weight of Pregna-1,4-diene-3-one, 17,20-dihydroxy-6-methylene?

Pregna-1,4-diene-3-one, 17,20-dihydroxy-6-methylene has the molecular formula C22H30O3 and a molecular weight of 342.5 g/mol. Its IUPAC name is (8R,9S,10R,13S,14S,17R)-17-hydroxy-17-(1-hydroxyethyl)-10,13-dimethyl-6-methylidene-7,8,9,11,12,14,15,16-octahydrocyclopenta[a]phenanthren-3-one.

What is Pregna-1,4-diene-3-one, 17,20-dihydroxy-6-methylene used for?

Pregna-1,4-diene-3-one, 17,20-dihydroxy-6-methylene 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 Pregna-1,4-diene-3-one, 17,20-dihydroxy-6-methylene can I order?

We supply Pregna-1,4-diene-3-one, 17,20-dihydroxy-6-methylene 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 Pregna-1,4-diene-3-one, 17,20-dihydroxy-6-methylene?

Yes. Every lot of Pregna-1,4-diene-3-one, 17,20-dihydroxy-6-methylene 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 Pregna-1,4-diene-3-one, 17,20-dihydroxy-6-methylene be shipped internationally?

Yes. We export Pregna-1,4-diene-3-one, 17,20-dihydroxy-6-methylene worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.