(20S)-21-Hydroxy-20-methylpregn-4-en-3-one

Name: (20S)-21-Hydroxy-20-methylpregn-4-en-3-one
Brand: Vaqora Chemicals
SKU: VQ-027639

About (20S)-21-Hydroxy-20-methylpregn-4-en-3-one

Vaqora Chemicals supplies (20S)-21-Hydroxy-20-methylpregn-4-en-3-one, an impurity of Progesterone registered under CAS number 40736-33-2. Formula C22H34O2, molecular weight 330.5 g/mol. Common synonyms include (20S)-20-hydroxymethylpregn-4-en-3-one and 22-hydroxy -23,24-bisnorchol-4-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. 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. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

We offer (20S)-21-Hydroxy-20-methylpregn-4-en-3-one in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide. SDS and detailed specification sheets can be requested with your quotation.

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	(20S)-21-Hydroxy-20-methylpregn-4-en-3-one
Catalogue No.	VQ-027639
CAS Number	40736-33-2
IUPAC name	(8S,9S,10R,13S,14S,17R)-17-[(2S)-1-hydroxypropan-2-yl]-10,13-dimethyl-1,2,6,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-3-one
Molecular formula	C₂₂H₃₄O₂
Molecular weight	330.5 g/mol
Exact mass	330.2559
Grade	Reference Standard
HSN code	38229090
InChIKey	ZNWOYQVXPIEQRC-HOFZUOGSSA-N
SMILES	C[C@H](CO)[C@H]1CC[C@@H]2[C@@]1(CC[C@H]3[C@H]2CCC4=CC(=O)CC[C@]34C)C
PubChem CID	11142115

Physical properties
Physical form	Solid
LogP (XLogP3)	4.7
H-bond donors / acceptors	1 / 2
TPSA	37.3 Å²

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 (20S)-21-Hydroxy-20-methylpregn-4-en-3-one?

The CAS Registry Number of (20S)-21-Hydroxy-20-methylpregn-4-en-3-one is 40736-33-2. It is also known as (20S)-20-hydroxymethylpregn-4-en-3-one, 22-hydroxy -23,24-bisnorchol-4-en-3-one.

What is the molecular formula and molecular weight of (20S)-21-Hydroxy-20-methylpregn-4-en-3-one?

(20S)-21-Hydroxy-20-methylpregn-4-en-3-one has the molecular formula C22H34O2 and a molecular weight of 330.5 g/mol. Its IUPAC name is (8S,9S,10R,13S,14S,17R)-17-[(2S)-1-hydroxypropan-2-yl]-10,13-dimethyl-1,2,6,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-3-one.

What is (20S)-21-Hydroxy-20-methylpregn-4-en-3-one used for?

(20S)-21-Hydroxy-20-methylpregn-4-en-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 (20S)-21-Hydroxy-20-methylpregn-4-en-3-one can I order?

We supply (20S)-21-Hydroxy-20-methylpregn-4-en-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 (20S)-21-Hydroxy-20-methylpregn-4-en-3-one?

Yes. Every lot of (20S)-21-Hydroxy-20-methylpregn-4-en-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 (20S)-21-Hydroxy-20-methylpregn-4-en-3-one be shipped internationally?

Yes. We export (20S)-21-Hydroxy-20-methylpregn-4-en-3-one worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.