Ethinylestradiol EP Impurity G

Name: Ethinylestradiol EP Impurity G
Brand: Vaqora Chemicals
SKU: VQ-022577

About Ethinylestradiol EP Impurity G

Vaqora Chemicals supplies Ethinylestradiol EP Impurity G, a pharmacopeial impurity of Ethinylestradiol registered under CAS number 38002-18-5. Formula C20H22O3, molecular weight 310.4 g/mol. Alternative names: Ethinylestradiol - Impurity G and 6-Oxo-ethinylestradiol.

It is supplied as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. It carries the GHS signal word “Danger” with 6 hazard statements. Review the Safety Data Sheet before use.

This Ethinylestradiol impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. It is used across pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Ethinylestradiol EP Impurity G 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 G
Catalogue No.	VQ-022577
CAS Number	38002-18-5
IUPAC name	(8R,9S,13S,14S,17R)-17-ethynyl-3,17-dihydroxy-13-methyl-7,8,9,11,12,14,15,16-octahydrocyclopenta[a]phenanthren-6-one
Molecular formula	C₂₀H₂₂O₃
Molecular weight	310.4 g/mol
Exact mass	310.1569
Grade	Reference Standard
HSN code	38229090
InChIKey	QHTAUDUBRNENFJ-VCNAKFCDSA-N
SMILES	C[C@]12CC[C@H]3[C@H]([C@@H]1CC[C@]2(C#C)O)CC(=O)C4=C3C=CC(=C4)O
PubChem CID	11209099

Physical properties
Physical form	Solid
LogP (XLogP3)	2.7
H-bond donors / acceptors	2 / 3
TPSA	57.5 Å²
Synonyms	Ethinylestradiol - Impurity G, 6-Oxo-ethinylestradiol, 6-Oxo-ethinyl estradiol, 6-Keto ethinyl estradiol, 3,17beta-Dihydroxy-17alpha-ethynylestra-1,3,5(10)-trien-6-one, 3,17-Dihydroxy-19-nor-17alpha-pregna-1,3,5(10)-trien-20-yn-6-one, 19-Norpregna-1,3,5(10)-trien-20-yn-6-one, 3,17-dihydroxy-, (17alpha)-, Ethinylestradiol impurity G, 6-Keto Ethynyl Estradiol, 3,17, A-Dihydroxy-17, A-ethynylestra-1,3,5(10)-trien-6-one

Safety & hazard information (GHS)

Harmful / irritant

Health hazard

Environmental hazard

Signal word: Danger

Hazard statements

H302Harmful if swallowed
H350May cause cancer
H360May damage fertility or the unborn child
H362May cause harm to breast-fed children
H372Causes damage to organs through prolonged or repeated exposure
H410Very toxic to aquatic life with long lasting effects

Precautionary statements: P203, P260, P263, P264, P270, P273, P280, P301 + P317, P318, P319, 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 G?

The CAS Registry Number of Ethinylestradiol EP Impurity G is 38002-18-5. It is also known as Ethinylestradiol - Impurity G, 6-Oxo-ethinylestradiol, 6-Oxo-ethinyl estradiol.

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

Ethinylestradiol EP Impurity G has the molecular formula C20H22O3 and a molecular weight of 310.4 g/mol. Its IUPAC name is (8R,9S,13S,14S,17R)-17-ethynyl-3,17-dihydroxy-13-methyl-7,8,9,11,12,14,15,16-octahydrocyclopenta[a]phenanthren-6-one.

What is Ethinylestradiol EP Impurity G used for?

Ethinylestradiol EP Impurity G 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 G can I order?

We supply Ethinylestradiol EP Impurity G 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 G?

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

Yes. Ethinylestradiol EP Impurity G 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.