(8R,9S,10R,13S,14S,17R)-2'-Ethoxy-2'-ethyl-10… 85198-30-7

Name: (8R,9S,10R,13S,14S,17R)-2'-Ethoxy-2'-ethyl-10,13-dimethyl-1,6,7,8,9,10,11,12,13,14,15,16-dodecahydrospiro[cyclopenta[a]phenanthrene-17,4'-[1,3]dioxane]-3,5'(2H)-dione
Brand: Vaqora Chemicals
SKU: VQ-025003

About (8R,9S,10R,13S,14S,17R)-2'-Ethoxy-2'-ethyl-10,13-dimethyl-1,6,7,8,9,10,11,12,13,14,15,16-dodecahydrospiro[cyclopenta[a]phenanthrene-17,4'-[1,3]dioxane]-3,5'(2H)-dione

Vaqora Chemicals supplies (8R,9S,10R,13S,14S,17R)-2'-Ethoxy-2'-ethyl-10,13-dimethyl-1,6,7,8,9,10,11,12,13,14,15,16-dodecahydrospiro[cyclopenta[a]phenanthrene-17,4'-[1,3]dioxane]-3,5'(2H)-dione, an impurity of Clascoterone registered under CAS number 85198-30-7. With the molecular formula C26H38O5, it has a molar mass of 430.6 g/mol.

The product is provided as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. Good laboratory practice and suitable PPE are recommended during handling.

As a characterised impurity of Clascoterone, 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.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

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

Industries

Related to Clascoterone

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

Clascoterone impurities

Specifications & identifiers

Chemical identifiers
Product name	(8R,9S,10R,13S,14S,17R)-2'-Ethoxy-2'-ethyl-10,13-dimethyl-1,6,7,8,9,10,11,12,13,14,15,16-dodecahydrospiro[cyclopenta[a]phenanthrene-17,4'-[1,3]dioxane]-3,5'(2H)-dione
Catalogue No.	VQ-025003
CAS Number	85198-30-7
IUPAC name	(4R,8'R,9'S,10'R,13'S,14'S)-2-ethoxy-2-ethyl-10',13'-dimethylspiro[1,3-dioxane-4,17'-2,6,7,8,9,11,12,14,15,16-decahydro-1H-cyclopenta[a]phenanthrene]-3',5-dione
Molecular formula	C₂₆H₃₈O₅
Molecular weight	430.6 g/mol
Exact mass	430.2719
Grade	Reference Standard
HSN code	38229090
InChIKey	AUEHCFCSDVXSIB-IEBOYTFZSA-N
SMILES	CCC1(OCC(=O)[C@@]2(O1)CC[C@@H]3[C@@]2(CC[C@H]4[C@H]3CCC5=CC(=O)CC[C@]45C)C)OCC
PubChem CID	13325655

Physical properties
Physical form	Solid
LogP (XLogP3)	4.3
H-bond donors / acceptors	0 / 5
TPSA	61.8 Å²

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 (8R,9S,10R,13S,14S,17R)-2'-Ethoxy-2'-ethyl-10,13-dimethyl-1,6,7,8,9,10,11,12,13,14,15,16-dodecahydrospiro[cyclopenta[a]phenanthrene-17,4'-[1,3]dioxane]-3,5'(2H)-dione?

The CAS Registry Number of (8R,9S,10R,13S,14S,17R)-2'-Ethoxy-2'-ethyl-10,13-dimethyl-1,6,7,8,9,10,11,12,13,14,15,16-dodecahydrospiro[cyclopenta[a]phenanthrene-17,4'-[1,3]dioxane]-3,5'(2H)-dione is 85198-30-7. It is also known as Pregn-4-ene-3,20-dione, 17,21-[(1-ethoxypropylidene)bis(oxy)]-.

What is the molecular formula and molecular weight of (8R,9S,10R,13S,14S,17R)-2'-Ethoxy-2'-ethyl-10,13-dimethyl-1,6,7,8,9,10,11,12,13,14,15,16-dodecahydrospiro[cyclopenta[a]phenanthrene-17,4'-[1,3]dioxane]-3,5'(2H)-dione?

(8R,9S,10R,13S,14S,17R)-2'-Ethoxy-2'-ethyl-10,13-dimethyl-1,6,7,8,9,10,11,12,13,14,15,16-dodecahydrospiro[cyclopenta[a]phenanthrene-17,4'-[1,3]dioxane]-3,5'(2H)-dione has the molecular formula C26H38O5 and a molecular weight of 430.6 g/mol.

What is (8R,9S,10R,13S,14S,17R)-2'-Ethoxy-2'-ethyl-10,13-dimethyl-1,6,7,8,9,10,11,12,13,14,15,16-dodecahydrospiro[cyclopenta[a]phenanthrene-17,4'-[1,3]dioxane]-3,5'(2H)-dione used for?

(8R,9S,10R,13S,14S,17R)-2'-Ethoxy-2'-ethyl-10,13-dimethyl-1,6,7,8,9,10,11,12,13,14,15,16-dodecahydrospiro[cyclopenta[a]phenanthrene-17,4'-[1,3]dioxane]-3,5'(2H)-dione is supplied as a characterised reference material related to Clascoterone. 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 (8R,9S,10R,13S,14S,17R)-2'-Ethoxy-2'-ethyl-10,13-dimethyl-1,6,7,8,9,10,11,12,13,14,15,16-dodecahydrospiro[cyclopenta[a]phenanthrene-17,4'-[1,3]dioxane]-3,5'(2H)-dione can I order?

We supply (8R,9S,10R,13S,14S,17R)-2'-Ethoxy-2'-ethyl-10,13-dimethyl-1,6,7,8,9,10,11,12,13,14,15,16-dodecahydrospiro[cyclopenta[a]phenanthrene-17,4'-[1,3]dioxane]-3,5'(2H)-dione 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 (8R,9S,10R,13S,14S,17R)-2'-Ethoxy-2'-ethyl-10,13-dimethyl-1,6,7,8,9,10,11,12,13,14,15,16-dodecahydrospiro[cyclopenta[a]phenanthrene-17,4'-[1,3]dioxane]-3,5'(2H)-dione?

Yes. Every lot of (8R,9S,10R,13S,14S,17R)-2'-Ethoxy-2'-ethyl-10,13-dimethyl-1,6,7,8,9,10,11,12,13,14,15,16-dodecahydrospiro[cyclopenta[a]phenanthrene-17,4'-[1,3]dioxane]-3,5'(2H)-dione 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 (8R,9S,10R,13S,14S,17R)-2'-Ethoxy-2'-ethyl-10,13-dimethyl-1,6,7,8,9,10,11,12,13,14,15,16-dodecahydrospiro[cyclopenta[a]phenanthrene-17,4'-[1,3]dioxane]-3,5'(2H)-dione be shipped internationally?

Yes. We export (8R,9S,10R,13S,14S,17R)-2'-Ethoxy-2'-ethyl-10,13-dimethyl-1,6,7,8,9,10,11,12,13,14,15,16-dodecahydrospiro[cyclopenta[a]phenanthrene-17,4'-[1,3]dioxane]-3,5'(2H)-dione worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.