Ethinylestradiol EP Impurity M

About Ethinylestradiol EP Impurity M

Ethinylestradiol EP Impurity M is a pharmacopeial impurity of Ethinylestradiol carrying the CAS registry number 3240-39-9. Formula C21H26O2, molecular weight 310.4 g/mol. It is also known as Ethinylestradiol - Impurity M or 2-Methyl-ethinylestradiol.

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 Ethinylestradiol, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Our customers for this product work in 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

Pharmacopeial method verification
Impurity profiling
QC release testing
ANDA / DMF filings

Industries

Related to Ethinylestradiol

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

Ethinylestradiol impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Ethinylestradiol EP Impurity M
Catalogue No.	VQ-022579
CAS Number	3240-39-9
IUPAC name	(8R,9S,13S,14S,17R)-17-ethynyl-2,13-dimethyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthrene-3,17-diol
Molecular formula	C₂₁H₂₆O₂
Molecular weight	310.4 g/mol
Exact mass	310.1933
Grade	Reference Standard
HSN code	38229090
InChIKey	QFPDNXSOEMFRPX-OKSLILNBSA-N
SMILES	CC1=CC2=C(CC[C@@H]3[C@@H]2CC[C@]4([C@H]3CC[C@]4(C#C)O)C)C=C1O
PubChem CID	13991395

Physical properties
Physical form	Solid
LogP (XLogP3)	4
H-bond donors / acceptors	2 / 2
TPSA	40.5 Å²
Synonyms	Ethinylestradiol - Impurity M, 2-Methyl-ethinylestradiol, 2-Methyl Ethynyl Estradiol, 2-Methyl-ethinyl estradiol, Ethinyl Estradiol Impurity M, 17-alpha-Ethinyl-2-methyl-8-alpha-estradiol, 17-alpha-Ethinyl-2-methyl-8-alpha-E(sub 2), 17-alpha-Ethinyl-2-methyl-8-alpha-estra-1,3,5(10)-triene-3,17-beta-diol, 19-Nor-8-alpha,17-alpha-pregna-1,3,5(10)-trien-20-yne-3,17-diol, 2-methyl-, 2-Methyl-19-nor-8-alpha,17-alpha-pregna-1,3,5(10)-trien-20-yne-3,17-diol, 2-Methyl Ethinyl Estradiol

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 Ethinylestradiol EP Impurity M?

The CAS Registry Number of Ethinylestradiol EP Impurity M is 3240-39-9. It is also known as Ethinylestradiol - Impurity M, 2-Methyl-ethinylestradiol, 2-Methyl Ethynyl Estradiol.

What is the molecular formula and molecular weight of Ethinylestradiol EP Impurity M?

Ethinylestradiol EP Impurity M has the molecular formula C21H26O2 and a molecular weight of 310.4 g/mol. Its IUPAC name is (8R,9S,13S,14S,17R)-17-ethynyl-2,13-dimethyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthrene-3,17-diol.

What is Ethinylestradiol EP Impurity M used for?

Ethinylestradiol EP Impurity M 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 Ethinylestradiol EP Impurity M can I order?

We supply Ethinylestradiol EP Impurity M 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 Ethinylestradiol EP Impurity M?

Yes. Every lot of Ethinylestradiol EP Impurity M 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 Ethinylestradiol EP Impurity M be shipped internationally?

Yes. We export Ethinylestradiol EP Impurity M worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.