Norethisterone

Name: Norethisterone
Brand: Vaqora Chemicals
SKU: VQ-004139

About Norethisterone

Listed under CAS 68-22-4, Norethisterone is a metabolic / hormonal API available from Vaqora Chemicals in IP/BP/USP grade, specified at 99% purity. The compound has the formula C20H26O2, corresponding to a molecular weight of 298.4 g/mol. Common synonyms include norethindrone and Norlutin.

It is supplied as a white or colourless crystalline powder with characteristic odor. Store sealed in a dry, well-ventilated location away from incompatible materials. The GHS classification uses the signal word “Danger”, so appropriate gloves, eye protection and ventilation are recommended.

As an active pharmaceutical ingredient within our antidiabetic, hormone and metabolic APIs range, it is offered in IP/BP/USP grade for formulation development, generic drug programmes and commercial manufacturing. Typical end-use sectors are pharmaceutical manufacturing.

Available in 1 kg, 5 kg and 25 kg packs, Norethisterone is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Pharmaceutical formulation
Generic drug development

Industries

Related to Norethisterone

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

Norethisterone impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Norethisterone
Catalogue No.	VQ-004139
CAS Number	68-22-4
IUPAC name	(8R,9S,10R,13S,14S,17R)-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	IP/BP/USP
Purity / assay	99%
InChIKey	VIKNJXKGJWUCNN-XGXHKTLJSA-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	6230

Physical properties
Physical form	Powder
Appearance	White or colourless crystalline powder with characteristic odor
LogP (XLogP3)	3
H-bond donors / acceptors	1 / 2
TPSA	37.3 Å²
Synonyms	norethindrone, Norlutin, 19-Norethisterone, Primolut-N, Noralutin, Norethynodrone, Norgestin, Mini-Pe, Norpregneninolone, Mini-pill, Nor-QD, Ethinylnortestosterone

Safety & hazard information (GHS)

Harmful / irritant

Health hazard

Signal word: Danger

Hazard statements

H312Harmful in contact with skin
H332Harmful if inhaled
H351Suspected of causing cancer
H360May damage fertility or the unborn child

Precautionary statements: P203, P261, P271, P280, P302 + P352, P304 + P340, P317, P318, P321, P362 + P364, 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 Norethisterone?

The CAS Registry Number of Norethisterone is 68-22-4. It is also known as norethindrone, Norlutin, 19-Norethisterone.

What is the molecular formula and molecular weight of Norethisterone?

Norethisterone has the molecular formula C20H26O2 and a molecular weight of 298.4 g/mol. Its IUPAC name is (8R,9S,10R,13S,14S,17R)-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 Norethisterone used for?

Norethisterone 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 Norethisterone can I order?

We supply Norethisterone in IP/BP/USP (99%) grade, in 1 kg, 5 kg, 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Norethisterone?

Yes. Every lot of Norethisterone 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 Norethisterone be shipped internationally?

Yes. Norethisterone 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.