Exemestane EP Impurity C

Name: Exemestane EP Impurity C
Brand: Vaqora Chemicals
SKU: VQ-025687

About Exemestane EP Impurity C

Listed under CAS 2130745-60-5, Exemestane EP Impurity C is a pharmacopeial impurity of Exemestane available from Vaqora Chemicals. The compound has the formula C21H24O2, corresponding to a molecular weight of 308.4 g/mol. Common synonyms include Exemestane - Impurity C and 16-Methylene Exemestane.

It is supplied as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. 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.

Vaqora Chemicals supplies Exemestane EP Impurity C in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Pharmacopeial method verification
Impurity profiling
QC release testing
ANDA / DMF filings

Industries

Related to Exemestane

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

Exemestane impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Exemestane EP Impurity C
Catalogue No.	VQ-025687
CAS Number	2130745-60-5
IUPAC name	(8R,9S,10R,13S,14S)-10,13-dimethyl-6,16-dimethylidene-8,9,11,12,14,15-hexahydro-7H-cyclopenta[a]phenanthrene-3,17-dione
Molecular formula	C₂₁H₂₄O₂
Molecular weight	308.4 g/mol
Exact mass	308.1776
Grade	Reference Standard
HSN code	38229090
InChIKey	BPSFSOSEXKAYJQ-CDZAGZGOSA-N
SMILES	C[C@]12CC[C@H]3[C@H]([C@@H]1CC(=C)C2=O)CC(=C)C4=CC(=O)C=C[C@]34C
PubChem CID	141742447

Physical properties
Physical form	Solid
LogP (XLogP3)	3.6
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 Exemestane EP Impurity C?

The CAS Registry Number of Exemestane EP Impurity C is 2130745-60-5. It is also known as Exemestane - Impurity C, 6,16-Dimethylideneandrosta-1,4-diene-3,17-dione, Androsta-1,4-diene-3,17-dione, 6,16-bis(methylene)-.

What is the molecular formula and molecular weight of Exemestane EP Impurity C?

Exemestane EP Impurity C has the molecular formula C21H24O2 and a molecular weight of 308.4 g/mol. Its IUPAC name is (8R,9S,10R,13S,14S)-10,13-dimethyl-6,16-dimethylidene-8,9,11,12,14,15-hexahydro-7H-cyclopenta[a]phenanthrene-3,17-dione.

What is Exemestane EP Impurity C used for?

Exemestane EP Impurity C 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 Exemestane EP Impurity C can I order?

We supply Exemestane EP Impurity C 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 Exemestane EP Impurity C?

Yes. Every lot of Exemestane EP Impurity C 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 Exemestane EP Impurity C be shipped internationally?

Yes. We export Exemestane EP Impurity C worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.