Ethinylestradiol Impurity M

About Ethinylestradiol Impurity M

Ethinylestradiol Impurity M is an impurity of Ethinylestradiol carrying the CAS registry number 1818-11-7. Formula C21H24O2, molecular weight 308.4 g/mol. The IUPAC name is (8R,9S,13S,14S,17R)-17-ethynyl-2,13-dimethyl-9,11,12,14,15,16-hexahydro-8H-cyclopenta[a]phenanthrene-3,17-diol. It is also known as Ethynylestradiol Impurity M or Ethinylestradiol Impurity 1.

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

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.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, Ethinylestradiol Impurity M is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

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

Industries

Related to Ethinylestradiol

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

Ethinylestradiol impurities

Specifications & identifiers

Chemical identifiers
Product name	Ethinylestradiol Impurity M
Catalogue No.	VQ-048293
CAS Number	1818-11-7
IUPAC name	(8R,9S,13S,14S,17R)-17-ethynyl-2,13-dimethyl-9,11,12,14,15,16-hexahydro-8H-cyclopenta[a]phenanthrene-3,17-diol
Molecular formula	C₂₁H₂₄O₂
Molecular weight	308.4 g/mol
Exact mass	308.1776
Grade	Reference Standard
HSN code	38229090
InChIKey	WZHDKGOPJSUDCC-OKSLILNBSA-N
SMILES	CC1=CC2=C(C=C[C@@H]3[C@@H]2CC[C@]4([C@H]3CC[C@]4(C#C)O)C)C=C1O
PubChem CID	169443979

Physical properties
Physical form	Solid
LogP (XLogP3)	4
H-bond donors / acceptors	2 / 2
TPSA	40.5 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 Ethinylestradiol Impurity M?

The CAS Registry Number of Ethinylestradiol Impurity M is 1818-11-7. It is also known as Ethynylestradiol Impurity M, Ethinylestradiol Impurity 1.

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

Ethinylestradiol Impurity M has the molecular formula C21H24O2 and a molecular weight of 308.4 g/mol. Its IUPAC name is (8R,9S,13S,14S,17R)-17-ethynyl-2,13-dimethyl-9,11,12,14,15,16-hexahydro-8H-cyclopenta[a]phenanthrene-3,17-diol.

What is Ethinylestradiol Impurity M used for?

Ethinylestradiol 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 Impurity M can I order?

We supply Ethinylestradiol 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 Impurity M?

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

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