Dienogest

About Dienogest

Dienogest is a high-purity reference standard of Dienogest carrying the CAS registry number 65928-58-7. The compound has the formula C20H25NO2, corresponding to a molecular weight of 311.4 g/mol. Common synonyms include STS 557 and STS-557.

The product is provided as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. The GHS classification uses the signal word “Danger”, so appropriate gloves, eye protection and ventilation are recommended.

As a reference sample of Dienogest, it is used for identification, assay and impurity-profiling work during analytical method development, validation (AMV) and routine QC. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

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

Typical applications

Identification & assay
Method development & validation
QC reference material

Industries

Related to Dienogest

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

Dienogest impurities

Specifications & identifiers

Chemical identifiers
Product name	Dienogest
Catalogue No.	VQ-022376
CAS Number	65928-58-7
IUPAC name	2-[(8S,13S,14S,17R)-17-hydroxy-13-methyl-3-oxo-1,2,6,7,8,11,12,14,15,16-decahydrocyclopenta[a]phenanthren-17-yl]acetonitrile
Molecular formula	C₂₀H₂₅NO₂
Molecular weight	311.4 g/mol
Exact mass	311.1885
Grade	Reference Standard
HSN code	38229090
InChIKey	AZFLJNIPTRTECV-FUMNGEBKSA-N
SMILES	C[C@]12CCC3=C4CCC(=O)C=C4CC[C@H]3[C@@H]1CC[C@]2(CC#N)O
PubChem CID	68861

Physical properties
Physical form	Solid
LogP (XLogP3)	1.8
H-bond donors / acceptors	1 / 3
TPSA	61.1 Å²
Synonyms	STS 557, STS-557, MJR-35, 17alpha-17-Hydroxy-3-oxo-19-norpregna-4,9-diene-21-nitrile, 17-alpha-Cyanomethyl-17-beta-hydroxy-estra-4,9(10)-dien-3-one, 19-Norpregna-4,9-diene-21-nitrile, 17-hydroxy-3-oxo-, (17alpha)-, 17-Hydroxy-3-oxo-19-nor-17alpha-pregna-4,9-diene-21-nitrile, 19-Norpregna-4,9-diene-21-nitrile, 17-hydroxy-3-oxo-, (17-alpha)-, [(17beta)-17-hydroxy-3-oxoestra-4,9-dien-17-yl]acetonitrile, ((17beta)-17-hydroxy-3-oxoestra-4,9-dien-17-yl)acetonitrile

Safety & hazard information (GHS)

Harmful / irritant

Health hazard

Environmental hazard

Signal word: Danger

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
H341Suspected of causing genetic defects
H351Suspected of causing cancer
H360May damage fertility or the unborn child
H361Suspected of damaging fertility or the unborn child
H362May cause harm to breast-fed children
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects

Precautionary statements: P203, P260, P261, P263, P264, P264 + P265, P270, P271, P273, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P318, P319, P321, P332 + P317, P337 + P317, P362 + P364, P391, P403 + P233, 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 Dienogest?

The CAS Registry Number of Dienogest is 65928-58-7. It is also known as STS 557, STS-557, MJR-35.

What is the molecular formula and molecular weight of Dienogest?

Dienogest has the molecular formula C20H25NO2 and a molecular weight of 311.4 g/mol. Its IUPAC name is 2-[(8S,13S,14S,17R)-17-hydroxy-13-methyl-3-oxo-1,2,6,7,8,11,12,14,15,16-decahydrocyclopenta[a]phenanthren-17-yl]acetonitrile.

What is Dienogest used for?

Dienogest is supplied as a characterised reference material related to Dienogest. 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 Dienogest can I order?

We supply Dienogest 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 Dienogest?

Yes. Every lot of Dienogest 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 Dienogest be shipped internationally?

Yes. Dienogest 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.