Norethindrone EP Impurity G

About Norethindrone EP Impurity G

Norethindrone EP Impurity G is a pharmacopeial impurity of Norethindrone carrying the CAS registry number 38673-36-8. With the molecular formula C20H26O2, it has a molar mass of 298.4 g/mol. Alternative names: Norethisterone - Impurity G and 18-Methyllevonorgestrel.

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

As a characterised impurity of Norethindrone, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

We offer Norethindrone EP Impurity G in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

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

Industries

Related to Norethindrone

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

Norethindrone impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Norethindrone EP Impurity G
Catalogue No.	VQ-023292
CAS Number	38673-36-8
IUPAC name	(8R,9S,10R,13S,14S,17S)-17-ethynyl-17-hydroxy-13-methyl-1,2,6,7,8,9,10,11,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-3-one
Molecular formula	C₂₀H₂₆O₂
Molecular weight	298.4 g/mol
Exact mass	298.1933
Grade	Reference Standard
HSN code	38229090
InChIKey	VIKNJXKGJWUCNN-JBKQDOAHSA-N
SMILES	C[C@]12CC[C@H]3[C@H]([C@@H]1CC[C@@]2(C#C)O)CCC4=CC(=O)CC[C@H]34
PubChem CID	9839243

Physical properties
Physical form	Solid
LogP (XLogP3)	3
H-bond donors / acceptors	1 / 2
TPSA	37.3 Å²
Synonyms	Norethisterone - Impurity G, 18-Methyllevonorgestrel, 17-epi-Norethisterone, 17-Hydroxy-19-norpregn-4-en-20-yn-3-one, 19-Norpregn-4-en-20-yn-3-one, 17-hydroxy-, 17-epi-Norethindrone, Ovcon (Salt/Mix), Neocon (Salt/Mix), Binovum (Salt/Mix), Modicon (Salt/Mix), Noriday (Salt/Mix), Brevicon (Salt/Mix)

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 Norethindrone EP Impurity G?

The CAS Registry Number of Norethindrone EP Impurity G is 38673-36-8. It is also known as Norethisterone - Impurity G, 18-Methyllevonorgestrel, 17-epi-Norethisterone.

What is the molecular formula and molecular weight of Norethindrone EP Impurity G?

Norethindrone EP Impurity G has the molecular formula C20H26O2 and a molecular weight of 298.4 g/mol. Its IUPAC name is (8R,9S,10R,13S,14S,17S)-17-ethynyl-17-hydroxy-13-methyl-1,2,6,7,8,9,10,11,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-3-one.

What is Norethindrone EP Impurity G used for?

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

We supply Norethindrone EP Impurity G 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 Norethindrone EP Impurity G?

Yes. Every lot of Norethindrone EP Impurity G 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 Norethindrone EP Impurity G be shipped internationally?

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