9-Dehydrotestosterone

About 9-Dehydrotestosterone

9-Dehydrotestosterone is an impurity of Testosterone carrying the CAS registry number 2398-99-4. Formula C19H26O2, molecular weight 286.4 g/mol. Alternative names: 9(11)-Dehydrotestosterone and 17beta-Hydroxyandrosta-4,9(11)-dien-3-one.

The product is provided 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.

As a characterised impurity of Testosterone, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

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

Industries

Related to Testosterone

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

Testosterone impurities

Specifications & identifiers

Chemical identifiers
Product name	9-Dehydrotestosterone
Catalogue No.	VQ-028301
CAS Number	2398-99-4
IUPAC name	(8S,10S,13S,14S,17S)-17-hydroxy-10,13-dimethyl-1,2,6,7,8,12,14,15,16,17-decahydrocyclopenta[a]phenanthren-3-one
Molecular formula	C₁₉H₂₆O₂
Molecular weight	286.4 g/mol
Exact mass	286.1933
Grade	Reference Standard
HSN code	38229090
InChIKey	IUFOPOQNYKRRML-FQQAFBJJSA-N
SMILES	C[C@]12CCC(=O)C=C1CC[C@@H]3C2=CC[C@]4([C@H]3CC[C@@H]4O)C
PubChem CID	11954149

Physical properties
Physical form	Solid
LogP (XLogP3)	2.6
H-bond donors / acceptors	1 / 2
TPSA	37.3 Å²
Synonyms	9(11)-Dehydrotestosterone, 17beta-Hydroxyandrosta-4,9(11)-dien-3-one, 4,9(11)-Androstadiene-17beta-ol-3-one, 17-Hydroxyandrosta-4,9(11)-dien-3-one, 17-Hydroxyandrosta-4,9(11)-dien-3-one #

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 9-Dehydrotestosterone?

The CAS Registry Number of 9-Dehydrotestosterone is 2398-99-4. It is also known as 9(11)-Dehydrotestosterone, 17beta-Hydroxyandrosta-4,9(11)-dien-3-one, 4,9(11)-Androstadiene-17beta-ol-3-one.

What is the molecular formula and molecular weight of 9-Dehydrotestosterone?

9-Dehydrotestosterone has the molecular formula C19H26O2 and a molecular weight of 286.4 g/mol. Its IUPAC name is (8S,10S,13S,14S,17S)-17-hydroxy-10,13-dimethyl-1,2,6,7,8,12,14,15,16,17-decahydrocyclopenta[a]phenanthren-3-one.

What is 9-Dehydrotestosterone used for?

9-Dehydrotestosterone is supplied as a characterised reference material related to Testosterone. 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 9-Dehydrotestosterone can I order?

We supply 9-Dehydrotestosterone 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 9-Dehydrotestosterone?

Yes. Every lot of 9-Dehydrotestosterone 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 9-Dehydrotestosterone be shipped internationally?

Yes. We export 9-Dehydrotestosterone worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.