Levonorgestrel EP Impurity C

Name: Levonorgestrel EP Impurity C
Brand: Vaqora Chemicals
SKU: VQ-022981

About Levonorgestrel EP Impurity C

Listed under CAS 1337972-89-0, Levonorgestrel EP Impurity C is a pharmacopeial impurity of Levonorgestrel available from Vaqora Chemicals. Its molecular formula is C23H28O and its molecular weight is 320.5 g/mol. Common synonyms include Levonorgestrel - Impurity C and Levonorgestrel Impurity C.

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.

This Levonorgestrel impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Levonorgestrel EP Impurity C in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

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

Industries

Related to Levonorgestrel

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

Levonorgestrel impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Levonorgestrel EP Impurity C
Catalogue No.	VQ-022981
CAS Number	1337972-89-0
IUPAC name	(8R,9S,10R,13S,14S,17R)-13-ethyl-3,17-diethynyl-2,7,8,9,10,11,12,14,15,16-decahydro-1H-cyclopenta[a]phenanthren-17-ol
Molecular formula	C₂₃H₂₈O
Molecular weight	320.5 g/mol
Exact mass	320.214
Grade	Reference Standard
HSN code	38229090
InChIKey	XWSCFQZHEPDMAX-GOMYTPFNSA-N
SMILES	CC[C@]12CC[C@@H]3[C@H]4CCC(=CC4=CC[C@H]3[C@@H]1CC[C@]2(C#C)O)C#C
PubChem CID	29979853

Physical properties
Physical form	Solid
LogP (XLogP3)	4.1
H-bond donors / acceptors	1 / 1
TPSA	20.2 Å²
Synonyms	Levonorgestrel - Impurity C, Levonorgestrel Impurity C, 13-Ethyl-3-ethynyl-18,19-dinor-17alpha-pregna-3,5-dien-20-yn-17-ol, 13-Ethyl-3-ethynyl-18,19-dinor-17a-pregna-3,5-dien-20-yn-17-ol(Levo Norgestrel Impurity), 18,19-Dinorpregna-3,5-dien-20-yn-17-ol, 13-ethyl-3-ethynyl-, (17alpha)-

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 Levonorgestrel EP Impurity C?

The CAS Registry Number of Levonorgestrel EP Impurity C is 1337972-89-0. It is also known as Levonorgestrel - Impurity C, Levonorgestrel Impurity C, 13-Ethyl-3-ethynyl-18,19-dinor-17alpha-pregna-3,5-dien-20-yn-17-ol.

What is the molecular formula and molecular weight of Levonorgestrel EP Impurity C?

Levonorgestrel EP Impurity C has the molecular formula C23H28O and a molecular weight of 320.5 g/mol. Its IUPAC name is (8R,9S,10R,13S,14S,17R)-13-ethyl-3,17-diethynyl-2,7,8,9,10,11,12,14,15,16-decahydro-1H-cyclopenta[a]phenanthren-17-ol.

What is Levonorgestrel EP Impurity C used for?

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

We supply Levonorgestrel EP Impurity C 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 Levonorgestrel EP Impurity C?

Yes. Every lot of Levonorgestrel EP Impurity C 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 Levonorgestrel EP Impurity C be shipped internationally?

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