4-Pregnen-17alpha,20alpha-diol-3-one

Name: 4-Pregnen-17alpha,20alpha-diol-3-one
Brand: Vaqora Chemicals
SKU: VQ-041695

About 4-Pregnen-17alpha,20alpha-diol-3-one

4-Pregnen-17alpha,20alpha-diol-3-one (CAS 652-69-7) is an impurity of Progesterone offered by Vaqora Chemicals. With the molecular formula C21H32O3, it has a molar mass of 332.5 g/mol. Common synonyms include 4-Pregnen-17α, 20a-diol-3-one and (20S)-17,20-dihydroxypregn-4-en-3-one.

The product is provided as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. Good laboratory practice and suitable PPE are recommended during handling.

This Progesterone impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. It is used across pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies 4-Pregnen-17alpha,20alpha-diol-3-one in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

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

Industries

Related to Progesterone

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

Progesterone impurities

Specifications & identifiers

Chemical identifiers
Product name	4-Pregnen-17alpha,20alpha-diol-3-one
Catalogue No.	VQ-041695
CAS Number	652-69-7
IUPAC name	(8R,9S,10R,13S,14S,17R)-17-hydroxy-17-[(1S)-1-hydroxyethyl]-10,13-dimethyl-2,6,7,8,9,11,12,14,15,16-decahydro-1H-cyclopenta[a]phenanthren-3-one
Molecular formula	C₂₁H₃₂O₃
Molecular weight	332.5 g/mol
Exact mass	332.2351
Grade	Reference Standard
HSN code	38229090
InChIKey	MASCESDECGBIBB-HNXXTFFGSA-N
SMILES	C[C@@H]([C@]1(CC[C@@H]2[C@@]1(CC[C@H]3[C@H]2CCC4=CC(=O)CC[C@]34C)C)O)O
PubChem CID	440368

Physical properties
Physical form	Solid
LogP (XLogP3)	2.5
H-bond donors / acceptors	2 / 3
TPSA	57.5 Å²
Synonyms	4-Pregnen-17α, 20a-diol-3-one, (20S)-17,20-dihydroxypregn-4-en-3-one, 17,20alpha-dihydroxy-4-pregnen-3-one, 4-Pregnen-17a, 20a-diol-3-one, 17alpha,20alpha-Dihydroxypregn-4-en-3-one, 17,20 alpha-OHP, 20a-Dihydroxyprogesterone, 17a-Hydroxy-20a-dihydroprogesterone

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 4-Pregnen-17alpha,20alpha-diol-3-one?

The CAS Registry Number of 4-Pregnen-17alpha,20alpha-diol-3-one is 652-69-7. It is also known as 4-Pregnen-17α, 20a-diol-3-one, (20S)-17,20-dihydroxypregn-4-en-3-one, 17,20alpha-dihydroxy-4-pregnen-3-one.

What is the molecular formula and molecular weight of 4-Pregnen-17alpha,20alpha-diol-3-one?

4-Pregnen-17alpha,20alpha-diol-3-one has the molecular formula C21H32O3 and a molecular weight of 332.5 g/mol. Its IUPAC name is (8R,9S,10R,13S,14S,17R)-17-hydroxy-17-[(1S)-1-hydroxyethyl]-10,13-dimethyl-2,6,7,8,9,11,12,14,15,16-decahydro-1H-cyclopenta[a]phenanthren-3-one.

What is 4-Pregnen-17alpha,20alpha-diol-3-one used for?

4-Pregnen-17alpha,20alpha-diol-3-one is supplied as a characterised reference material related to Progesterone. 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 4-Pregnen-17alpha,20alpha-diol-3-one can I order?

We supply 4-Pregnen-17alpha,20alpha-diol-3-one 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 4-Pregnen-17alpha,20alpha-diol-3-one?

Yes. Every lot of 4-Pregnen-17alpha,20alpha-diol-3-one 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 4-Pregnen-17alpha,20alpha-diol-3-one be shipped internationally?

Yes. We export 4-Pregnen-17alpha,20alpha-diol-3-one worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.