Delta 5,6-Testosterone

About Delta 5,6-Testosterone

Delta 5,6-Testosterone is an impurity of Testosterone carrying the CAS registry number 571-25-5. Its molecular formula is C19H28O2 and its molecular weight is 288.4 g/mol. It is also known as 17beta-hydroxy-5-androsten-3-one or 17b-hydroxyandrost-5-en-3-one.

It is supplied 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.

Pharmaceutical QC and development laboratories use this impurity standard of Testosterone to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. Buyers come mainly from 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	Delta 5,6-Testosterone
Catalogue No.	VQ-045354
CAS Number	571-25-5
IUPAC name	(8R,9S,10R,13S,14S,17S)-17-hydroxy-10,13-dimethyl-1,2,4,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-3-one
Molecular formula	C₁₉H₂₈O₂
Molecular weight	288.4 g/mol
Exact mass	288.2089
Grade	Reference Standard
HSN code	38229090
InChIKey	SEDRVEWTPRTLOZ-DYKIIFRCSA-N
SMILES	C[C@]12CC[C@H]3[C@H]([C@@H]1CC[C@@H]2O)CC=C4[C@@]3(CCC(=O)C4)C
PubChem CID	11987715

Physical properties
Physical form	Solid
LogP (XLogP3)	3.2
H-bond donors / acceptors	1 / 2
TPSA	37.3 Å²
Synonyms	17beta-hydroxy-5-androsten-3-one, 17b-hydroxyandrost-5-en-3-one, 5-Androsten-17.beta.-ol-3-one, 17-Hydroxyandrost-5-en-3-one #, Androst-5-en-17.beta.-ol-3-one, 17beta-hydroxy-androst-5-ene-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 Delta 5,6-Testosterone?

The CAS Registry Number of Delta 5,6-Testosterone is 571-25-5. It is also known as 17beta-hydroxy-5-androsten-3-one, 17b-hydroxyandrost-5-en-3-one, 5-Androsten-17.beta.-ol-3-one.

What is the molecular formula and molecular weight of Delta 5,6-Testosterone?

Delta 5,6-Testosterone has the molecular formula C19H28O2 and a molecular weight of 288.4 g/mol. Its IUPAC name is (8R,9S,10R,13S,14S,17S)-17-hydroxy-10,13-dimethyl-1,2,4,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-3-one.

What is Delta 5,6-Testosterone used for?

Delta 5,6-Testosterone 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 Delta 5,6-Testosterone can I order?

We supply Delta 5,6-Testosterone 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 Delta 5,6-Testosterone?

Yes. Every lot of Delta 5,6-Testosterone 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 Delta 5,6-Testosterone be shipped internationally?

Yes. We export Delta 5,6-Testosterone worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.