6 Keto Estradiol

Name: 6 Keto Estradiol
Brand: Vaqora Chemicals
SKU: VQ-025619

About 6 Keto Estradiol

Vaqora Chemicals supplies 6 Keto Estradiol, an impurity of Estradiol registered under CAS number 571-92-6. Its molecular formula is C18H22O3 and its molecular weight is 286.4 g/mol. Its systematic (IUPAC) name is (8R,9S,13S,14S,17S)-3,17-dihydroxy-13-methyl-8,9,11,12,14,15,16,17-octahydro-7H-cyclopenta[a]phenanthren-6-one. It is also known as 6-Keto-17β-Estradiol or 6-Keto 17β-Estradiol.

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 5 hazard statements. Review the Safety Data Sheet before use.

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

Vaqora Chemicals supplies 6 Keto Estradiol in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Industries

Related to Estradiol

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

Estradiol impurities

Specifications & identifiers

Chemical identifiers
Product name	6 Keto Estradiol
Catalogue No.	VQ-025619
CAS Number	571-92-6
IUPAC name	(8R,9S,13S,14S,17S)-3,17-dihydroxy-13-methyl-8,9,11,12,14,15,16,17-octahydro-7H-cyclopenta[a]phenanthren-6-one
Molecular formula	C₁₈H₂₂O₃
Molecular weight	286.4 g/mol
Exact mass	286.1569
Grade	Reference Standard
HSN code	38229090
InChIKey	ZHTDDOWJIRXOMA-YVEZLPLXSA-N
SMILES	C[C@]12CC[C@H]3[C@H]([C@@H]1CC[C@@H]2O)CC(=O)C4=C3C=CC(=C4)O
PubChem CID	66419

Physical properties
Physical form	Solid
LogP (XLogP3)	2.8
H-bond donors / acceptors	2 / 3
TPSA	57.5 Å²
Synonyms	6-Keto-17β-Estradiol, 6-Keto 17β-Estradiol, 6-Oxoestradiol, Estra-1,3,5(10)-trien-6-one, 3,17-dihydroxy-, (17beta)-, beta-Estradiol-6-one, 6-Keto 17b-Estradiol, Estra-1,3,5(10)-trien-6-one, 3,17-dihydroxy-, (17.beta.)-, 6-Keto 17Beta-Estradiol, Opera_ID_400, (17, A)-3,17-Dihydroxyestra-1,3,5(10)-trien-6-one

Safety & hazard information (GHS)

Harmful / irritant

Health hazard

Signal word: Danger

Hazard statements

H302Harmful if swallowed
H334May cause allergy or asthma symptoms or breathing difficulties if inhaled
H351Suspected of causing cancer
H360May damage fertility or the unborn child
H362May cause harm to breast-fed children

Precautionary statements: P203, P233, P260, P263, P264, P270, P271, P280, P284, P301 + P317, P304 + P340, P318, P330, P342 + P316, P403, 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 6 Keto Estradiol?

The CAS Registry Number of 6 Keto Estradiol is 571-92-6. It is also known as 6-Keto-17β-Estradiol, 6-Keto 17β-Estradiol, 6-Oxoestradiol.

What is the molecular formula and molecular weight of 6 Keto Estradiol?

6 Keto Estradiol has the molecular formula C18H22O3 and a molecular weight of 286.4 g/mol. Its IUPAC name is (8R,9S,13S,14S,17S)-3,17-dihydroxy-13-methyl-8,9,11,12,14,15,16,17-octahydro-7H-cyclopenta[a]phenanthren-6-one.

What is 6 Keto Estradiol used for?

6 Keto Estradiol is supplied as a characterised reference material related to Estradiol. 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 6 Keto Estradiol can I order?

We supply 6 Keto Estradiol 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 6 Keto Estradiol?

Yes. Every lot of 6 Keto Estradiol 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 6 Keto Estradiol be shipped internationally?

Yes. 6 Keto Estradiol 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.