Equilenin

Name: Equilenin
Brand: Vaqora Chemicals
SKU: VQ-007464

About Equilenin

Equilenin (CAS 517-09-9) is a high-purity reference standard of Equilenin offered by Vaqora Chemicals, specified at 97% purity. The compound has the formula C18H18O2, corresponding to a molecular weight of 266.3 g/mol. Its systematic (IUPAC) name is (13S,14S)-3-hydroxy-13-methyl-12,14,15,16-tetrahydro-11H-cyclopenta[a]phenanthren-17-one. Common synonyms include 3-Hydroxyestra-1,3,5,7,9-pentaen-17-one and 3-Hydroxyestra-1,3,5(10),6,8-pentaen-17-one.

The product is provided as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

As a reference sample of Equilenin, it is used for identification, assay and impurity-profiling work during analytical method development, validation (AMV) and routine QC. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Equilenin in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide. This item is currently in stock for prompt dispatch.

Typical applications

Identification & assay
Method development & validation
QC reference material

Industries

Related to Equilenin

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

Equilenin impurities

Specifications & identifiers

Chemical identifiers
Product name	Equilenin
Catalogue No.	VQ-007464
CAS Number	517-09-9
IUPAC name	(13S,14S)-3-hydroxy-13-methyl-12,14,15,16-tetrahydro-11H-cyclopenta[a]phenanthren-17-one
Molecular formula	C₁₈H₁₈O₂
Molecular weight	266.3 g/mol
Exact mass	266.1307
Grade	Reference Standard
Purity / assay	97%
HSN code	38229090
InChIKey	PDRGHUMCVRDZLQ-WMZOPIPTSA-N
SMILES	C[C@]12CCC3=C([C@@H]1CCC2=O)C=CC4=C3C=CC(=C4)O
PubChem CID	444865

Physical properties
Physical form	Solid
LogP (XLogP3)	3.5
H-bond donors / acceptors	1 / 2
TPSA	37.3 Å²
Synonyms	3-Hydroxyestra-1,3,5,7,9-pentaen-17-one, 3-Hydroxyestra-1,3,5(10),6,8-pentaen-17-one, d-Equilenin, (+)-Equilenin, Equilenine, Estra-1,3,5,7,9-pentaen-17-one, 3-hydroxy-, 3-hydroxy-estra-1,3,5(10),6,8-pentaen-17-one, Estra-1,3,5(10),6,8-pentaen-17-one, 3-hydroxy-, 1ogx, 1ogz, 6,8-didehydroestrone, 1w6y

Safety & hazard information (GHS)

Health hazard

Signal word: Warning

Hazard statements

H351Suspected of causing cancer

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 Equilenin?

The CAS Registry Number of Equilenin is 517-09-9. It is also known as 3-Hydroxyestra-1,3,5,7,9-pentaen-17-one, 3-Hydroxyestra-1,3,5(10),6,8-pentaen-17-one, d-Equilenin.

What is the molecular formula and molecular weight of Equilenin?

Equilenin has the molecular formula C18H18O2 and a molecular weight of 266.3 g/mol. Its IUPAC name is (13S,14S)-3-hydroxy-13-methyl-12,14,15,16-tetrahydro-11H-cyclopenta[a]phenanthren-17-one.

What is Equilenin used for?

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

We supply Equilenin in Reference Standard (97%) 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 Equilenin?

Yes. Every lot of Equilenin 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 Equilenin be shipped internationally?

Yes. Equilenin 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.