17α-Ethinyl-17β-acetoxy-3,5-estradiene

About 17α-Ethinyl-17β-acetoxy-3,5-estradiene

17α-Ethinyl-17β-acetoxy-3,5-estradiene is an impurity of Etynodiol diacetate carrying the CAS registry number 64850-62-0. Its molecular formula is C22H28O2 and its molecular weight is 324.5 g/mol. Alternative names: 17a-Ethinyl-17b-acetoxy-3,5-estradiene and 17alpha-Ethinyl-17beta-acetoxy-3,5-estradiene.

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. Handle it with standard laboratory precautions and appropriate personal protective equipment.

As a characterised impurity of Etynodiol diacetate, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

We offer 17α-Ethinyl-17β-acetoxy-3,5-estradiene in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

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

Industries

Related to Etynodiol diacetate

View every impurity, metabolite and intermediate we list for Etynodiol diacetate.

Etynodiol diacetate impurities

Specifications & identifiers

Chemical identifiers
Product name	17α-Ethinyl-17β-acetoxy-3,5-estradiene
Catalogue No.	VQ-028970
CAS Number	64850-62-0
IUPAC name	[(8R,9S,10R,13S,14S,17R)-17-ethynyl-13-methyl-2,7,8,9,10,11,12,14,15,16-decahydro-1H-cyclopenta[a]phenanthren-17-yl] acetate
Molecular formula	C₂₂H₂₈O₂
Molecular weight	324.5 g/mol
Exact mass	324.2089
Grade	Reference Standard
HSN code	38229090
InChIKey	TYNGLPZQWLTLTF-ZCPXKWAGSA-N
SMILES	CC(=O)O[C@]1(CC[C@@H]2[C@@]1(CC[C@H]3[C@H]2CC=C4[C@@H]3CCC=C4)C)C#C
PubChem CID	169439923

Physical properties
Physical form	Solid
LogP (XLogP3)	4.5
H-bond donors / acceptors	0 / 2
TPSA	26.3 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 17α-Ethinyl-17β-acetoxy-3,5-estradiene?

The CAS Registry Number of 17α-Ethinyl-17β-acetoxy-3,5-estradiene is 64850-62-0. It is also known as 17a-Ethinyl-17b-acetoxy-3,5-estradiene, 17alpha-Ethinyl-17beta-acetoxy-3,5-estradiene.

What is the molecular formula and molecular weight of 17α-Ethinyl-17β-acetoxy-3,5-estradiene?

17α-Ethinyl-17β-acetoxy-3,5-estradiene has the molecular formula C22H28O2 and a molecular weight of 324.5 g/mol. Its IUPAC name is [(8R,9S,10R,13S,14S,17R)-17-ethynyl-13-methyl-2,7,8,9,10,11,12,14,15,16-decahydro-1H-cyclopenta[a]phenanthren-17-yl] acetate.

What is 17α-Ethinyl-17β-acetoxy-3,5-estradiene used for?

17α-Ethinyl-17β-acetoxy-3,5-estradiene is supplied as a characterised reference material related to Etynodiol diacetate. 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 17α-Ethinyl-17β-acetoxy-3,5-estradiene can I order?

We supply 17α-Ethinyl-17β-acetoxy-3,5-estradiene 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 17α-Ethinyl-17β-acetoxy-3,5-estradiene?

Yes. Every lot of 17α-Ethinyl-17β-acetoxy-3,5-estradiene 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 17α-Ethinyl-17β-acetoxy-3,5-estradiene be shipped internationally?

Yes. We export 17α-Ethinyl-17β-acetoxy-3,5-estradiene worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.