20α-Dihydrodydrogesterone

Name: 20α-Dihydrodydrogesterone
Brand: Vaqora Chemicals
SKU: VQ-025454

About 20α-Dihydrodydrogesterone

20α-Dihydrodydrogesterone (CAS 4243-74-7) is a metabolite or degradation product of Dydrogesterone offered by Vaqora Chemicals. The compound has the formula C21H30O2, corresponding to a molecular weight of 314.5 g/mol. It is also known as 20alpha-Dihydrodydrogesterone or 20a-Dihydrodydrogesterone.

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.

Analytical teams use this compound to identify metabolites and degradants of Dydrogesterone, to validate stability-indicating methods (AMV) and to support QC and regulatory filings. It is used across 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

Metabolite identification
Stability-indicating methods
Impurity profiling

Industries

Related to Dydrogesterone

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

Dydrogesterone impurities

Specifications & identifiers

Chemical identifiers
Product name	20α-Dihydrodydrogesterone
Catalogue No.	VQ-025454
CAS Number	4243-74-7
IUPAC name	(8S,9R,10S,13S,14S,17S)-17-[(1S)-1-hydroxyethyl]-10,13-dimethyl-1,2,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthren-3-one
Molecular formula	C₂₁H₃₀O₂
Molecular weight	314.5 g/mol
Exact mass	314.2246
Grade	Reference Standard
HSN code	38229090
InChIKey	IQPNZLYVKOVQGH-LBDMABOLSA-N
SMILES	C[C@@H]([C@H]1CC[C@@H]2[C@@]1(CC[C@@H]3[C@H]2C=CC4=CC(=O)CC[C@@]34C)C)O
PubChem CID	20841638

Physical properties
Physical form	Solid
LogP (XLogP3)	4.1
H-bond donors / acceptors	1 / 2
TPSA	37.3 Å²
Synonyms	20alpha-Dihydrodydrogesterone, 20a-Dihydrodydrogesterone, 20alpha-Hydroxydydrogesterone, Pregna-4,6-dien-3-one, 20-hydroxy-, (9beta,10alpha,20S)-, (9beta,10alpha,20S)-20-Hydroxypregna-4,6-dien-3-one, 20alpha-Hydroxy-9beta,10alpha-pregna-4,6-dien-3-one, (20S)-20-Hydroxy-9beta,10alpha-pregna-4,6-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 20α-Dihydrodydrogesterone?

The CAS Registry Number of 20α-Dihydrodydrogesterone is 4243-74-7. It is also known as 20alpha-Dihydrodydrogesterone, 20a-Dihydrodydrogesterone, 20alpha-Hydroxydydrogesterone.

What is the molecular formula and molecular weight of 20α-Dihydrodydrogesterone?

20α-Dihydrodydrogesterone has the molecular formula C21H30O2 and a molecular weight of 314.5 g/mol. Its IUPAC name is (8S,9R,10S,13S,14S,17S)-17-[(1S)-1-hydroxyethyl]-10,13-dimethyl-1,2,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthren-3-one.

What is 20α-Dihydrodydrogesterone used for?

20α-Dihydrodydrogesterone is supplied as a characterised reference material related to Dydrogesterone. 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 20α-Dihydrodydrogesterone can I order?

We supply 20α-Dihydrodydrogesterone 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 20α-Dihydrodydrogesterone?

Yes. Every lot of 20α-Dihydrodydrogesterone 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 20α-Dihydrodydrogesterone be shipped internationally?

Yes. We export 20α-Dihydrodydrogesterone worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.