3alpha,5alpha-Tetrahydronorethisterone

Name: 3alpha,5alpha-Tetrahydronorethisterone
Brand: Vaqora Chemicals
SKU: VQ-032211

About 3alpha,5alpha-Tetrahydronorethisterone

Listed under CAS 16392-60-2, 3alpha,5alpha-Tetrahydronorethisterone is an impurity of Norethisterone available from Vaqora Chemicals. Its molecular formula is C20H30O2 and its molecular weight is 302.5 g/mol. Alternative names: 3β,5α-Tetrahydronorethisterone and 3α,5α-Tetrahydronorethisterone.

It is supplied 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.

This Norethisterone impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, 3alpha,5alpha-Tetrahydronorethisterone is dispatched with a Certificate of Analysis (COA) to destinations worldwide. SDS and detailed specification sheets can be requested with your quotation.

Typical applications

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

Industries

Related to Norethisterone

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

Norethisterone impurities

Specifications & identifiers

Chemical identifiers
Product name	3alpha,5alpha-Tetrahydronorethisterone
Catalogue No.	VQ-032211
CAS Number	16392-60-2
IUPAC name	(3R,5S,8R,9R,10S,13S,14S,17R)-17-ethynyl-13-methyl-2,3,4,5,6,7,8,9,10,11,12,14,15,16-tetradecahydro-1H-cyclopenta[a]phenanthrene-3,17-diol
Molecular formula	C₂₀H₃₀O₂
Molecular weight	302.5 g/mol
Exact mass	302.2246
Grade	Reference Standard
HSN code	38229090
InChIKey	DPDZKJQFRFZZCW-GAXNORQESA-N
SMILES	C[C@]12CC[C@@H]3[C@H]4CC[C@H](C[C@@H]4CC[C@H]3[C@@H]1CC[C@]2(C#C)O)O
PubChem CID	14260695

Physical properties
Physical form	Solid
LogP (XLogP3)	3.7
H-bond donors / acceptors	2 / 2
TPSA	40.5 Å²
Synonyms	3β,5α-Tetrahydronorethisterone, 3α,5α-Tetrahydronorethisterone, 3alpha,5alpha-Tetrahydronorethindrone, 17alpha-Ethynyl-5alpha-estrane-3alpha,17beta-diol, 17alpha-Ethynyl-5alpha-oestrane-3alpha,17beta-diol, 19-Nor-5alpha,17alpha-pregn-20-yne-3alpha,17-diol, 19-Norpregn-20-yne-3,17-diol, (3alpha,5alpha,17beta)-, 3a,5a-Tetrahydronorethisterone, 17.alpha.-Ethynyl-5.alpha.-estrane-3.alpha.,17.beta.-diol, 5alpha,17alpha-19-Norpregn-20-yne-3alpha,17-diol, (3alpha,5alpha,17alpha)-19-Norpregn-20-yne-3,17-diol

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 3alpha,5alpha-Tetrahydronorethisterone?

The CAS Registry Number of 3alpha,5alpha-Tetrahydronorethisterone is 16392-60-2. It is also known as 3β,5α-Tetrahydronorethisterone, 3α,5α-Tetrahydronorethisterone, 3alpha,5alpha-Tetrahydronorethindrone.

What is the molecular formula and molecular weight of 3alpha,5alpha-Tetrahydronorethisterone?

3alpha,5alpha-Tetrahydronorethisterone has the molecular formula C20H30O2 and a molecular weight of 302.5 g/mol. Its IUPAC name is (3R,5S,8R,9R,10S,13S,14S,17R)-17-ethynyl-13-methyl-2,3,4,5,6,7,8,9,10,11,12,14,15,16-tetradecahydro-1H-cyclopenta[a]phenanthrene-3,17-diol.

What is 3alpha,5alpha-Tetrahydronorethisterone used for?

3alpha,5alpha-Tetrahydronorethisterone is supplied as a characterised reference material related to Norethisterone. 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 3alpha,5alpha-Tetrahydronorethisterone can I order?

We supply 3alpha,5alpha-Tetrahydronorethisterone 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 3alpha,5alpha-Tetrahydronorethisterone?

Yes. Every lot of 3alpha,5alpha-Tetrahydronorethisterone 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 3alpha,5alpha-Tetrahydronorethisterone be shipped internationally?

Yes. We export 3alpha,5alpha-Tetrahydronorethisterone worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.