Ethinylestradiol EP Impurity E

Name: Ethinylestradiol EP Impurity E
Brand: Vaqora Chemicals
SKU: VQ-022578

About Ethinylestradiol EP Impurity E

Vaqora Chemicals supplies Ethinylestradiol EP Impurity E, a pharmacopeial impurity of Ethinylestradiol registered under CAS number 27521-34-2. With the molecular formula C20H24O3, it has a molar mass of 312.4 g/mol. Alternative names: Ethinylestradiol - Impurity E and 6alpha-Hydroxy-ethinylestradiol.

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. The GHS classification uses the signal word “Danger”, so appropriate gloves, eye protection and ventilation are recommended.

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. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

We offer Ethinylestradiol EP Impurity E in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers 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 E
Catalogue No.	VQ-022578
CAS Number	27521-34-2
IUPAC name	(6S,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-VTPPTGSRSA-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	13991348

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

Safety & hazard information (GHS)

Harmful / irritant

Health hazard

Environmental hazard

Signal word: Danger

Hazard statements

H302Harmful if swallowed
H350May cause cancer
H361Suspected of damaging fertility or the unborn child
H362May cause harm to breast-fed children
H400Very toxic to aquatic life
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 E?

The CAS Registry Number of Ethinylestradiol EP Impurity E is 27521-34-2. It is also known as Ethinylestradiol - Impurity E, 6alpha-Hydroxy-ethinylestradiol, 6alpha-Hydroxy-ethinyl estradiol.

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

Ethinylestradiol EP Impurity E has the molecular formula C20H24O3 and a molecular weight of 312.4 g/mol. Its IUPAC name is (6S,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 E used for?

Ethinylestradiol EP Impurity E 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 E can I order?

We supply Ethinylestradiol EP Impurity E 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 E?

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

Yes. Ethinylestradiol EP Impurity E 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.