16-Methyleneandrosta-1,4-diene-3,17-dione

Name: 16-Methyleneandrosta-1,4-diene-3,17-dione
Brand: Vaqora Chemicals
SKU: VQ-022620

About 16-Methyleneandrosta-1,4-diene-3,17-dione

16-Methyleneandrosta-1,4-diene-3,17-dione is an impurity of Exemestane carrying the CAS registry number 2467590-81-2. The compound has the formula C20H24O2, corresponding to a molecular weight of 296.4 g/mol.

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.

As a characterised impurity of Exemestane, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

We offer 16-Methyleneandrosta-1,4-diene-3,17-dione in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide. SDS and detailed specification sheets can be requested with your quotation.

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	16-Methyleneandrosta-1,4-diene-3,17-dione
Catalogue No.	VQ-022620
CAS Number	2467590-81-2
IUPAC name	(8R,9S,10R,13S,14S)-10,13-dimethyl-16-methylidene-6,7,8,9,11,12,14,15-octahydrocyclopenta[a]phenanthrene-3,17-dione
Molecular formula	C₂₀H₂₄O₂
Molecular weight	296.4 g/mol
Exact mass	296.1776
Grade	Reference Standard
HSN code	38229090
InChIKey	RZIUHILBJPKCLT-ORZNMBHWSA-N
SMILES	C[C@]12CC[C@H]3[C@H]([C@@H]1CC(=C)C2=O)CCC4=CC(=O)C=C[C@]34C
PubChem CID	71750328

Physical properties
Physical form	Solid
LogP (XLogP3)	3.8
H-bond donors / acceptors	0 / 2
TPSA	34.1 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 16-Methyleneandrosta-1,4-diene-3,17-dione?

The CAS Registry Number of 16-Methyleneandrosta-1,4-diene-3,17-dione is 2467590-81-2.

What is the molecular formula and molecular weight of 16-Methyleneandrosta-1,4-diene-3,17-dione?

16-Methyleneandrosta-1,4-diene-3,17-dione has the molecular formula C20H24O2 and a molecular weight of 296.4 g/mol. Its IUPAC name is (8R,9S,10R,13S,14S)-10,13-dimethyl-16-methylidene-6,7,8,9,11,12,14,15-octahydrocyclopenta[a]phenanthrene-3,17-dione.

What is 16-Methyleneandrosta-1,4-diene-3,17-dione used for?

16-Methyleneandrosta-1,4-diene-3,17-dione 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 16-Methyleneandrosta-1,4-diene-3,17-dione can I order?

We supply 16-Methyleneandrosta-1,4-diene-3,17-dione 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 16-Methyleneandrosta-1,4-diene-3,17-dione?

Yes. Every lot of 16-Methyleneandrosta-1,4-diene-3,17-dione 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 16-Methyleneandrosta-1,4-diene-3,17-dione be shipped internationally?

Yes. We export 16-Methyleneandrosta-1,4-diene-3,17-dione worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.