(6α,9β,11β,16α)-21-(Acetyloxy)-9,11-epoxy-6-fluoro-16-methyl-pregna-1,4-diene-3,20-dione CAS 61618-91-5
| CAS No. | 61618-91-5 |
| Molecular Formula | C24H29FO5 |
| Molecular Weight | 416.48 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures (6α,9β,11β,16α)-21-(Acetyloxy)-9,11-epoxy-6-fluoro-16-methyl-pregna-1,4-diene-3,20-dione under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
(6α,9β,11β,16α)-21-(Acetyloxy)-9,11-epoxy-6-fluoro-16-methyl-pregna-1,4-diene-3,20-dione (CAS 61618-91-5) is a high-purity analytical reference standard with the molecular formula C24H29FO5 and a molecular weight of 416.48 g/mol.
Based on its molecular formula C24H29FO5, (6α,9β,11β,16α)-21-(Acetyloxy)-9,11-epoxy-6-fluoro-16-methyl-pregna-1,4-diene-3,20-dione contains a flavonoid core, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 416.48 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
Physical & Chemical Properties
| Molecular Formula | C24H29FO5 |
| Molecular Weight | 416.48 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1974 |
| Halogen Content | F-containing |
Related Acetyloxy Standards
- 17- (Acetyloxy) - 3- methoxy- 20- oxo-pregna- 3, 5- diene- 6- carboxaldehyde (CAS 57361-81-6)
- (16alpha)-21-(Acetyloxy)-17-hydroxy-16-methyl-pregna-1,4-diene-3,11,20-trione (CAS 1058-04-4)
- 3,21-Bis(acetyloxy)pregna-1,3,5,9(11),16-pentaen-20-one (CAS 1058744-83-4)
- 1-Acetyl-3-(acetyloxy)-7-chloro-5-(2-chlorophenyl)-1,3-dihydro-2H-1,4-benzodiazepin-2-one (CAS 18878-17-6)
- (11β)-11,21-Bis(acetyloxy)pregna-4,16-diene-3,20-dione (CAS 107952-99-8)
- (3β,17β)-3,17-Bis(acetyloxy)-17-methylandrost-5-en-7-one (CAS 37038-00-9)
- 4-(Acetyloxy)-3,5-diiodobenzoic acid (CAS 41072-98-4)
- 17-(Acetyloxy)-6-(hydroxymethyl)-pregna-4,6-diene-3,20-dione (CAS 1867-41-0)
Recommended Standards
- 6a-Fluoro-16a-methyl-1,4,9(11)-pregnatriene-17a,21-diol-3,20-dione 21-acetate (CAS 19788-77-3)
- DDRI-18 (CAS 4402-18-0)
- m-PEG3-Sulfone-PEG3-acid (CAS 1919045-04-7)
- H-Gly-Gly-Lys-Arg-OH acetate salt (CAS 70921-63-0)
- 4-Nitro-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenol (CAS 1416060-05-3)
- 4-Amino-4-(2-chlorophenyl)tetrahydro-2h-thiopyran 1,1-dioxide hydrochloride (CAS 2490698-36-5)
- 2-(4-Methylbenzenesulfonyl)-N-({[4-(trifluoromethoxy)phenyl]carbamothioyl}amino)acetamide (CAS 1022404-03-0)
- 5,6-Dibromopyridine-2-thiol (CAS 1805123-39-0)
- 1-(4-Fluorophenyl)-3-[(4-fluorophenyl)sulfanyl]propan-1-one (CAS 477334-43-3)
- Ethyl 2-(1-amino-2-(ethoxycarbonyl)-3-oxobut-1-en-1-yl)-4-carbamoyl-6-methylpyrimidine-5-carboxylate (CAS 79593-42-3)
- 6-Bromo-3-(3-fluorophenyl)-[1,2,4]triazolo[4,3-a]pyridine (CAS 1393330-64-7)
- 2-(2,5-Difluoropyridin-4-yl)acetic acid (CAS 1227499-12-8)
- 1H-Benzo[d]imidazole-1-carbaldehyde (CAS 90196-39-7)
- His-Cyclic-Semaglutide (CAS CATO-C4X-2226182)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
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