Desogestrel EP Impurity E

About Desogestrel EP Impurity E

Desogestrel EP Impurity E is a pharmacopeial impurity of Desogestrel carrying the CAS registry number 70805-85-5. The compound has the formula C22H30O2, corresponding to a molecular weight of 326.5 g/mol. Common synonyms include Desogestrel - Impurity E and 3beta-Hydroxydesogestrel.

It is supplied as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. It carries the GHS signal word “Danger” with 1 hazard statement. Review the Safety Data Sheet before use.

Pharmaceutical QC and development laboratories use this impurity standard of Desogestrel to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. It is used across pharmaceutical manufacturing and academic and industrial research.

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

Typical applications

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

Industries

Related to Desogestrel

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

Desogestrel impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Desogestrel EP Impurity E
Catalogue No.	VQ-022330
CAS Number	70805-85-5
IUPAC name	(3S,8S,9S,10R,13S,14S,17R)-13-ethyl-17-ethynyl-11-methylidene-1,2,3,6,7,8,9,10,12,14,15,16-dodecahydrocyclopenta[a]phenanthrene-3,17-diol
Molecular formula	C₂₂H₃₀O₂
Molecular weight	326.5 g/mol
Exact mass	326.2246
Grade	Reference Standard
HSN code	38229090
InChIKey	ZMLDTNLDYRJTAZ-GDLCRWSOSA-N
SMILES	CC[C@]12CC(=C)[C@H]3[C@H]([C@@H]1CC[C@]2(C#C)O)CCC4=C[C@H](CC[C@H]34)O
PubChem CID	9858547

Physical properties
Physical form	Solid
LogP (XLogP3)	3.4
H-bond donors / acceptors	2 / 2
TPSA	40.5 Å²
Synonyms	Desogestrel - Impurity E, 3beta-Hydroxydesogestrel, Desogestrel impurity E, 13-Ethyl-11-methylidene-18,19-dinor-17alpha-pregn-4-en-20-yne-3beta,17-diol, 18,19-Dinorpregn-4-en-20-yne-3,17-diol, 13-ethyl-11-methylene-, (3beta,17alpha)-, 3b-Hydroxydesogestrel, (3beta,17alpha)-13-Ethyl-11-methylene-18,19-dinorpregn-4-en-20-yne-3,17-diol, 3a-Hydroxydesogestrel

Safety & hazard information (GHS)

Health hazard

Signal word: Danger

Hazard statements

H351Suspected of causing cancer

Precautionary statements: P203, P280, P318, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

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 Desogestrel EP Impurity E?

The CAS Registry Number of Desogestrel EP Impurity E is 70805-85-5. It is also known as Desogestrel - Impurity E, 3beta-Hydroxydesogestrel, Desogestrel impurity E.

What is the molecular formula and molecular weight of Desogestrel EP Impurity E?

Desogestrel EP Impurity E has the molecular formula C22H30O2 and a molecular weight of 326.5 g/mol. Its IUPAC name is (3S,8S,9S,10R,13S,14S,17R)-13-ethyl-17-ethynyl-11-methylidene-1,2,3,6,7,8,9,10,12,14,15,16-dodecahydrocyclopenta[a]phenanthrene-3,17-diol.

What is Desogestrel EP Impurity E used for?

Desogestrel EP Impurity E is supplied as a characterised reference material related to Desogestrel. 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 Desogestrel EP Impurity E can I order?

We supply Desogestrel EP Impurity E 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 Desogestrel EP Impurity E?

Yes. Every lot of Desogestrel EP Impurity E 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 Desogestrel EP Impurity E be shipped internationally?

Yes. Desogestrel EP Impurity E is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.