Ethisterone

Name: Ethisterone
Brand: Vaqora Chemicals
SKU: VQ-030607

About Ethisterone

Vaqora Chemicals supplies Ethisterone, a high-purity reference standard of Ethisterone registered under CAS number 434-03-7. Its molecular formula is C21H28O2 and its molecular weight is 312.4 g/mol. It is also known as Nugestoral or Trosinone.

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. It carries the GHS signal word “Danger” with 1 hazard statement. Review the Safety Data Sheet before use.

Laboratories use this Ethisterone 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.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, Ethisterone is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Identification & assay
Method development & validation
QC reference material

Industries

Related to Ethisterone

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

Ethisterone impurities

Specifications & identifiers

Chemical identifiers
Product name	Ethisterone
Catalogue No.	VQ-030607
CAS Number	434-03-7
IUPAC name	(8R,9S,10R,13S,14S,17R)-17-ethynyl-17-hydroxy-10,13-dimethyl-2,6,7,8,9,11,12,14,15,16-decahydro-1H-cyclopenta[a]phenanthren-3-one
Molecular formula	C₂₁H₂₈O₂
Molecular weight	312.4 g/mol
Exact mass	312.2089
Grade	Reference Standard
HSN code	38229090
InChIKey	CHNXZKVNWQUJIB-CEGNMAFCSA-N
SMILES	C[C@]12CCC(=O)C=C1CC[C@@H]3[C@@H]2CC[C@]4([C@H]3CC[C@]4(C#C)O)C
PubChem CID	5284557

Physical properties
Physical form	Solid
LogP (XLogP3)	3.5
H-bond donors / acceptors	1 / 2
TPSA	37.3 Å²
Synonyms	Nugestoral, Trosinone, Pregneninolone, Ora-Lutin, Ethynyltestosterone, 17alpha-Ethynyltestosterone, Anhydrohydroxyprogesterone, Anhydroxyprogesterone, Pranone, Etisterone, Progestoral, 17alpha-Ethinyltestosterone

Safety & hazard information (GHS)

Health hazard

Signal word: Danger

Hazard statements

H360May damage fertility or the unborn child

Precautionary statements: P203, P280, P318, 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 Ethisterone?

The CAS Registry Number of Ethisterone is 434-03-7. It is also known as Nugestoral, Trosinone, Pregneninolone.

What is the molecular formula and molecular weight of Ethisterone?

Ethisterone has the molecular formula C21H28O2 and a molecular weight of 312.4 g/mol. Its IUPAC name is (8R,9S,10R,13S,14S,17R)-17-ethynyl-17-hydroxy-10,13-dimethyl-2,6,7,8,9,11,12,14,15,16-decahydro-1H-cyclopenta[a]phenanthren-3-one.

What is Ethisterone used for?

Ethisterone is supplied as a characterised reference material related to Ethisterone. 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 Ethisterone can I order?

We supply Ethisterone 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 Ethisterone?

Yes. Every lot of Ethisterone 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 Ethisterone be shipped internationally?

Yes. Ethisterone 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.