(17Z)-20-Hydroxy-3,11-dioxopregna-1,4,17(20)-trien-21-al
Synonyms: Pregna-1,4,17(20)-trien-21-al, 20-hydroxy-3,11-dioxo-, (17Z)- (9CI)
(17Z)-20-Hydroxy-3,11-dioxopregna-1,4,17(20)-trien-21-al (CAS 118724-35-9) – Prednisone impurity standard. C21H24O4, MW 340.4. With COA, ships worldwide.
About (17Z)-20-Hydroxy-3,11-dioxopregna-1,4,17(20)-trien-21-al
(17Z)-20-Hydroxy-3,11-dioxopregna-1,4,17(20)-trien-21-al is a metabolite or degradation product of Prednisone carrying the CAS registry number 118724-35-9. The compound has the formula C21H24O4, corresponding to a molecular weight of 340.4 g/mol.
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. Good laboratory practice and suitable PPE are recommended during handling.
It is used in metabolite identification, stability-indicating method development and impurity profiling of Prednisone, as well as in QC testing and ANDA/DMF documentation. It is used across pharmaceutical manufacturing and academic and industrial research.
Vaqora Chemicals supplies (17Z)-20-Hydroxy-3,11-dioxopregna-1,4,17(20)-trien-21-al in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.
Typical applications
- Metabolite identification
- Stability-indicating methods
- Impurity profiling
Industries
View every impurity, metabolite and intermediate we list for Prednisone.
Prednisone impuritiesSpecifications & identifiers
| Product name | (17Z)-20-Hydroxy-3,11-dioxopregna-1,4,17(20)-trien-21-al |
|---|---|
| Catalogue No. | VQ-027607 |
| CAS Number | 118724-35-9 |
| IUPAC name | (2Z)-2-[(8S,9S,10R,13S,14S)-10,13-dimethyl-3,11-dioxo-6,7,8,9,12,14,15,16-octahydrocyclopenta[a]phenanthren-17-ylidene]-2-hydroxyacetaldehyde |
| Molecular formula | C21H24O4 |
| Molecular weight | 340.4 g/mol |
| Exact mass | 340.1675 |
| Grade | Reference Standard |
| HSN code | 38229090 |
| InChIKey | AUHSMFZFJNSNPY-WYOWPAJLSA-N |
| SMILES | C[C@]1\2CC(=O)[C@H]3[C@H]([C@@H]1CC/C2=C(\C=O)/O)CCC4=CC(=O)C=C[C@]34C |
| PubChem CID | 14261085 |
| Physical form | Solid |
|---|---|
| LogP (XLogP3) | 2.2 |
| H-bond donors / acceptors | 1 / 4 |
| TPSA | 71.4 Ų |
Documents
Frequently asked questions
What is the CAS number of (17Z)-20-Hydroxy-3,11-dioxopregna-1,4,17(20)-trien-21-al?
The CAS Registry Number of (17Z)-20-Hydroxy-3,11-dioxopregna-1,4,17(20)-trien-21-al is 118724-35-9. It is also known as Pregna-1,4,17(20)-trien-21-al, 20-hydroxy-3,11-dioxo-, (17Z)- (9CI).
What is the molecular formula and molecular weight of (17Z)-20-Hydroxy-3,11-dioxopregna-1,4,17(20)-trien-21-al?
(17Z)-20-Hydroxy-3,11-dioxopregna-1,4,17(20)-trien-21-al has the molecular formula C21H24O4 and a molecular weight of 340.4 g/mol. Its IUPAC name is (2Z)-2-[(8S,9S,10R,13S,14S)-10,13-dimethyl-3,11-dioxo-6,7,8,9,12,14,15,16-octahydrocyclopenta[a]phenanthren-17-ylidene]-2-hydroxyacetaldehyde.
What is (17Z)-20-Hydroxy-3,11-dioxopregna-1,4,17(20)-trien-21-al used for?
(17Z)-20-Hydroxy-3,11-dioxopregna-1,4,17(20)-trien-21-al is supplied as a characterised reference material related to Prednisone. 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 (17Z)-20-Hydroxy-3,11-dioxopregna-1,4,17(20)-trien-21-al can I order?
We supply (17Z)-20-Hydroxy-3,11-dioxopregna-1,4,17(20)-trien-21-al 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 (17Z)-20-Hydroxy-3,11-dioxopregna-1,4,17(20)-trien-21-al?
Yes. Every lot of (17Z)-20-Hydroxy-3,11-dioxopregna-1,4,17(20)-trien-21-al 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 (17Z)-20-Hydroxy-3,11-dioxopregna-1,4,17(20)-trien-21-al be shipped internationally?
Yes. We export (17Z)-20-Hydroxy-3,11-dioxopregna-1,4,17(20)-trien-21-al worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.
Enquire about (17Z)-20-Hydroxy-3,11-dioxopregna-1,4,17(20)-trien-21-al
We reply within one business day with price, pack options, lead time and documentation.
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