Exemestane

Name: Exemestane
Brand: Vaqora Chemicals
SKU: VQ-022615

About Exemestane

Exemestane is a high-purity reference standard of Exemestane carrying the CAS registry number 107868-30-4. Its molecular formula is C20H24O2 and its molecular weight is 296.4 g/mol. It is also known as Aromasin or 6-Methyleneandrosta-1,4-diene-3,17-dione.

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. It carries the GHS signal word “Danger” with 3 hazard statements. Review the Safety Data Sheet before use.

Laboratories use this Exemestane standard for identity and assay testing, system suitability checks and method validation supporting ANDA and DMF filings. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Identification & assay
Method development & validation
QC reference material

Industries

Related to Exemestane

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

Exemestane impurities

Specifications & identifiers

Chemical identifiers
Product name	Exemestane
Catalogue No.	VQ-022615
CAS Number	107868-30-4
IUPAC name	(8R,9S,10R,13S,14S)-10,13-dimethyl-6-methylidene-7,8,9,11,12,14,15,16-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	BFYIZQONLCFLEV-DAELLWKTSA-N
SMILES	C[C@]12CC[C@H]3[C@H]([C@@H]1CCC2=O)CC(=C)C4=CC(=O)C=C[C@]34C
PubChem CID	60198

Physical properties
Physical form	Solid
LogP (XLogP3)	3.1
H-bond donors / acceptors	0 / 2
TPSA	34.1 Å²
Synonyms	Aromasin, 6-Methyleneandrosta-1,4-diene-3,17-dione, Androsta-1,4-diene-3,17-dione, 6-methylene-, examestane, 6-Methylene-androsta-1,4-diene-3,17-dione, 6-Methylenandrosta-1,4-diene-3,17-dione, Aromasine, 6-methylideneandrosta-1,4-diene-3,17-dione, (8alpha,10alpha,13alpha)-6-Methylideneandrosta-1,4-Diene-3,17-Dione, Curator_000009, Exemestane, Aromasin, Aromasin (Pharmacia Upjohn)

Safety & hazard information (GHS)

Harmful / irritant

Health hazard

Environmental hazard

Signal word: Danger

Hazard statements

H319Causes serious eye irritation
H360May damage fertility or the unborn child
H411Toxic to aquatic life with long lasting effects

Precautionary statements: P203, P264 + P265, P273, P280, P305 + P351 + P338, P318, P337 + P317, P391, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

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?

The CAS Registry Number of Exemestane is 107868-30-4. It is also known as Aromasin, 6-Methyleneandrosta-1,4-diene-3,17-dione, Androsta-1,4-diene-3,17-dione, 6-methylene-.

What is the molecular formula and molecular weight of Exemestane?

Exemestane 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-6-methylidene-7,8,9,11,12,14,15,16-octahydrocyclopenta[a]phenanthrene-3,17-dione.

What is Exemestane used for?

Exemestane 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 can I order?

We supply Exemestane 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?

Yes. Every lot of Exemestane 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 be shipped internationally?

Yes. Exemestane is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.