Delta 8,9-Dehydro Estrone

Name: Delta 8,9-Dehydro Estrone
Brand: Vaqora Chemicals
SKU: VQ-030578

About Delta 8,9-Dehydro Estrone

Delta 8,9-Dehydro Estrone (CAS 474-87-3) is a metabolite or degradation product of Estrone offered by Vaqora Chemicals. Formula C18H20O2, molecular weight 268.3 g/mol. Systematically, it is named (13S,14S)-3-hydroxy-13-methyl-7,11,12,14,15,16-hexahydro-6H-cyclopenta[a]phenanthren-17-one. Common synonyms include ∆8,9-Dehydro Estrone and δ-8(9)-Dehydroestrone.

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. Handle it with standard laboratory precautions and appropriate personal protective equipment.

It is used in metabolite identification, stability-indicating method development and impurity profiling of Estrone, as well as in QC testing and ANDA/DMF documentation. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Delta 8,9-Dehydro Estrone in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Metabolite identification
Stability-indicating methods
Impurity profiling

Industries

Related to Estrone

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

Estrone impurities

Specifications & identifiers

Chemical identifiers
Product name	Delta 8,9-Dehydro Estrone
Catalogue No.	VQ-030578
CAS Number	474-87-3
IUPAC name	(13S,14S)-3-hydroxy-13-methyl-7,11,12,14,15,16-hexahydro-6H-cyclopenta[a]phenanthren-17-one
Molecular formula	C₁₈H₂₀O₂
Molecular weight	268.3 g/mol
Exact mass	268.1463
Grade	Reference Standard
HSN code	38229090
InChIKey	OUGSRCWSHMWPQE-WMZOPIPTSA-N
SMILES	C[C@]12CCC3=C([C@@H]1CCC2=O)CCC4=C3C=CC(=C4)O
PubChem CID	6451472

Physical properties
Physical form	Solid
LogP (XLogP3)	2.4
H-bond donors / acceptors	1 / 2
TPSA	37.3 Å²
Synonyms	∆8,9-Dehydro Estrone, δ-8(9)-Dehydroestrone, 8,9-Dehydroestrone, 8,9-Dehydro Estrone, Hippulin, 3-hydroxyestra-1,3,5(10),8-tetraen-17-one, 3-hydroxy-estra-1,3,5(10),8-tetraen-17-one, delta8-Dehydraestrone, Estratetraenone

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 Delta 8,9-Dehydro Estrone?

The CAS Registry Number of Delta 8,9-Dehydro Estrone is 474-87-3. It is also known as ∆8,9-Dehydro Estrone, δ-8(9)-Dehydroestrone, 8,9-Dehydroestrone.

What is the molecular formula and molecular weight of Delta 8,9-Dehydro Estrone?

Delta 8,9-Dehydro Estrone has the molecular formula C18H20O2 and a molecular weight of 268.3 g/mol. Its IUPAC name is (13S,14S)-3-hydroxy-13-methyl-7,11,12,14,15,16-hexahydro-6H-cyclopenta[a]phenanthren-17-one.

What is Delta 8,9-Dehydro Estrone used for?

Delta 8,9-Dehydro Estrone is supplied as a characterised reference material related to Estrone. 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 Delta 8,9-Dehydro Estrone can I order?

We supply Delta 8,9-Dehydro Estrone 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 Delta 8,9-Dehydro Estrone?

Yes. Every lot of Delta 8,9-Dehydro Estrone 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 Delta 8,9-Dehydro Estrone be shipped internationally?

Yes. We export Delta 8,9-Dehydro Estrone worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.