2-Methyl-3,17beta-Estradiol

Name: 2-Methyl-3,17beta-Estradiol
Brand: Vaqora Chemicals
SKU: VQ-048289

About 2-Methyl-3,17beta-Estradiol

Listed under CAS 1818-12-8, 2-Methyl-3,17beta-Estradiol is a process intermediate or related compound of Ethinylestradiol available from Vaqora Chemicals. With the molecular formula C19H26O2, it has a molar mass of 286.4 g/mol. Systematically, it is named (8R,9S,13S,14S,17S)-2,13-dimethyl-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthrene-3,17-diol. Alternative names: 2-Methyl Estradiol and 2-Methylestradiol.

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.

Process chemists and analysts use it when developing synthetic routes to Ethinylestradiol, tracking process-related impurities and validating analytical methods. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, 2-Methyl-3,17beta-Estradiol is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

API route development
Impurity fate & purge studies
Analytical method development

Industries

Related to Ethinylestradiol

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

Ethinylestradiol impurities

Specifications & identifiers

Chemical identifiers
Product name	2-Methyl-3,17beta-Estradiol
Catalogue No.	VQ-048289
CAS Number	1818-12-8
IUPAC name	(8R,9S,13S,14S,17S)-2,13-dimethyl-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthrene-3,17-diol
Molecular formula	C₁₉H₂₆O₂
Molecular weight	286.4 g/mol
Exact mass	286.1933
InChIKey	PAZNMSHBVDFVSA-NNYOOSKESA-N
SMILES	CC1=CC2=C(CC[C@@H]3[C@@H]2CC[C@]4([C@H]3CC[C@@H]4O)C)C=C1O
PubChem CID	66425

Physical properties
Physical form	Solid
LogP (XLogP3)	4.4
H-bond donors / acceptors	2 / 2
TPSA	40.5 Å²
Synonyms	2-Methyl Estradiol, 2-Methylestradiol, 2-Methyl Estradiol 17-Valerate, 2-Methylestra-1(10),2,4-triene-3,17-diol, 2-Methylestra-1(10),2,4-triene-3,17beta-diol, Estra-1,3,5(10)-triene-3,17-diol, 2-methyl-, (17beta)-

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 2-Methyl-3,17beta-Estradiol?

The CAS Registry Number of 2-Methyl-3,17beta-Estradiol is 1818-12-8. It is also known as 2-Methyl Estradiol, 2-Methylestradiol, 2-Methyl Estradiol 17-Valerate.

What is the molecular formula and molecular weight of 2-Methyl-3,17beta-Estradiol?

2-Methyl-3,17beta-Estradiol has the molecular formula C19H26O2 and a molecular weight of 286.4 g/mol. Its IUPAC name is (8R,9S,13S,14S,17S)-2,13-dimethyl-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthrene-3,17-diol.

What is 2-Methyl-3,17beta-Estradiol used for?

2-Methyl-3,17beta-Estradiol 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 2-Methyl-3,17beta-Estradiol can I order?

We supply 2-Methyl-3,17beta-Estradiol, 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 2-Methyl-3,17beta-Estradiol?

Yes. Every lot of 2-Methyl-3,17beta-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 2-Methyl-3,17beta-Estradiol be shipped internationally?

Yes. We export 2-Methyl-3,17beta-Estradiol worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.