Ethinylestradiol EP Impurity F

Name: Ethinylestradiol EP Impurity F
Brand: Vaqora Chemicals
SKU: VQ-025638

About Ethinylestradiol EP Impurity F

Ethinylestradiol EP Impurity F (CAS 56324-28-8) is a pharmacopeial impurity of Ethinylestradiol offered by Vaqora Chemicals. Formula C20H24O3, molecular weight 312.4 g/mol. Alternative names: Ethinylestradiol - Impurity F and 6beta-Hydroxy-ethinylestradiol.

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. It carries the GHS signal word “Danger” with 4 hazard statements. Review the Safety Data Sheet before use.

As a characterised impurity of Ethinylestradiol, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Ethinylestradiol EP Impurity F 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 Ethinylestradiol

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

Ethinylestradiol impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Ethinylestradiol EP Impurity F
Catalogue No.	VQ-025638
CAS Number	56324-28-8
IUPAC name	(6R,8R,9S,13S,14S,17R)-17-ethynyl-13-methyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthrene-3,6,17-triol
Molecular formula	C₂₀H₂₄O₃
Molecular weight	312.4 g/mol
Exact mass	312.1725
Grade	Reference Standard
HSN code	38229090
InChIKey	XFBUZQAUNLRYCT-ZPNQOMQUSA-N
SMILES	C[C@]12CC[C@H]3[C@H]([C@@H]1CC[C@]2(C#C)O)C[C@H](C4=C3C=CC(=C4)O)O
PubChem CID	11771367

Physical properties
Physical form	Solid
LogP (XLogP3)	2.4
H-bond donors / acceptors	3 / 3
TPSA	60.7 Å²
Synonyms	Ethinylestradiol - Impurity F, 6beta-Hydroxy-ethinylestradiol, 6beta-Hydroxy-ethinyl estradiol, 19-Nor-17alpha-pregna-1,3,5(10)-trien-20-yne-3,6beta,17-triol, 19-Norpregna-1,3,5(10)-trien-20-yne-3,6,17-triol, (6beta,17alpha)-, Ethinylestradiol impurity F, Ethinylestradiol specified impurity F, 6b-Hydroxy Ethynyl Estradiol, 6beta-Hydroxy Ethynyl Estradiol, 17alpha-19-Norpregna-1,3,5(10)-trien-20-yne-3,6beta,17-triol

Safety & hazard information (GHS)

Harmful / irritant

Health hazard

Environmental hazard

Signal word: Danger

Hazard statements

H302Harmful if swallowed
H350May cause cancer
H362May cause harm to breast-fed children
H410Very toxic to aquatic life with long lasting effects

Precautionary statements: P203, P260, P263, P264, P270, P273, P280, P301 + P317, P318, P330, 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 Ethinylestradiol EP Impurity F?

The CAS Registry Number of Ethinylestradiol EP Impurity F is 56324-28-8. It is also known as Ethinylestradiol - Impurity F, 6beta-Hydroxy-ethinylestradiol, 6beta-Hydroxy-ethinyl estradiol.

What is the molecular formula and molecular weight of Ethinylestradiol EP Impurity F?

Ethinylestradiol EP Impurity F has the molecular formula C20H24O3 and a molecular weight of 312.4 g/mol. Its IUPAC name is (6R,8R,9S,13S,14S,17R)-17-ethynyl-13-methyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthrene-3,6,17-triol.

What is Ethinylestradiol EP Impurity F used for?

Ethinylestradiol EP Impurity F is supplied as a characterised reference material related to Ethinylestradiol. 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 Ethinylestradiol EP Impurity F can I order?

We supply Ethinylestradiol EP Impurity F 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 Ethinylestradiol EP Impurity F?

Yes. Every lot of Ethinylestradiol EP Impurity F 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 Ethinylestradiol EP Impurity F be shipped internationally?

Yes. Ethinylestradiol EP Impurity F 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.