Exemestane EP Impurity B

Name: Exemestane EP Impurity B
Brand: Vaqora Chemicals
SKU: VQ-022616

About Exemestane EP Impurity B

Exemestane EP Impurity B (CAS 184972-09-6) is a pharmacopeial impurity of Exemestane offered by Vaqora Chemicals. Its molecular formula is C20H26O3 and its molecular weight is 314.4 g/mol. It is also known as Exemestane Related Compound B or Exemestane - Impurity B.

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. It is used across pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Exemestane EP Impurity B 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 B
Catalogue No.	VQ-022616
CAS Number	184972-09-6
IUPAC name	(8R,9S,10R,13S,14S)-6-(hydroxymethyl)-10,13-dimethyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthrene-3,17-dione
Molecular formula	C₂₀H₂₆O₃
Molecular weight	314.4 g/mol
Exact mass	314.1882
Grade	Reference Standard
HSN code	38229090
InChIKey	DAXJNUBSBFUTRP-RTQNCGMRSA-N
SMILES	C[C@]12CC[C@H]3[C@H]([C@@H]1CCC2=O)CC(C4=CC(=O)C=C[C@]34C)CO
PubChem CID	11681199

Physical properties
Physical form	Solid
LogP (XLogP3)	2.1
H-bond donors / acceptors	1 / 3
TPSA	54.4 Å²
Synonyms	Exemestane Related Compound B, Exemestane - Impurity B, 6-hydroxymethyl-1,4-androstadiene-3,17-dione, 6-Hydroxymethylandrosta-1,4-diene-3,17-dione, Androsta-1,4-diene-3,17-dione, 6-(hydroxymethyl)-, Androsta-1,4-diene-3,17-dione, 6-(hydroxymethyl), 6-hydroxymethyl-androsta-1,4-diene-3,17dione, 6-hydroxymethyl-androsta-1,4-diene-3,17 dione, 6-hydroxymethyl-androsta-1,4-diene-3,17-dione, 6x-(hydroxymethyl)androsta-1,4-diene-3,17-dione

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 B?

The CAS Registry Number of Exemestane EP Impurity B is 184972-09-6. It is also known as Exemestane Related Compound B, Exemestane - Impurity B, 6-hydroxymethyl-1,4-androstadiene-3,17-dione.

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

Exemestane EP Impurity B has the molecular formula C20H26O3 and a molecular weight of 314.4 g/mol. Its IUPAC name is (8R,9S,10R,13S,14S)-6-(hydroxymethyl)-10,13-dimethyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthrene-3,17-dione.

What is Exemestane EP Impurity B used for?

Exemestane EP Impurity B 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 B can I order?

We supply Exemestane EP Impurity B 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 B?

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

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