6a-Fluoro-16a-methyl-1,4,9(11)-pregnatriene-17a,21-diol-3,20-dione 21-acetate CAS 19788-77-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 19788-77-3 |
| Molecular Formula | C24H29FO5 |
| Molecular Weight | 416.48 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 6a-Fluoro-16a-methyl-1,4,9(11)-pregnatriene-17a,21-diol-3,20-dione 21-acetate (CAS 19788-77-3) pharmaceutical standards reference standard. Molecular formula: C24H29FO5. Molecular weight: 416.48 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
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.) | 1962 |
| Halogen Content | F-containing |
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Recommended Standards
- m-PEG3-Sulfone-PEG3-acid (CAS 1919045-04-7)
- (6α,9β,11β,16α)-21-(Acetyloxy)-9,11-epoxy-6-fluoro-16-methyl-pregna-1,4-diene-3,20-dione (CAS 61618-91-5)
- 1-[(2'-Cyano-1,1'-biphenyl-4-yl)methyl]-2-ethoxy-d5-7-benzimidazolecarboxylic Acid Methyl Ester (CAS 1794783-33-7)
- ±-Catechin-2,3,4-<SUP>13</SUP>C<SUB>3</SUB> (CAS 1261254-33-4)
- n-Isopropyl-2-((3-nitrophenyl)amino)acetamide (CAS 923243-01-0)
- N-(3-methoxyphenyl)-N-(phenylsulfonyl)glycine (CAS 425627-03-8)
- Pyrazolo[1,5-a][1,3,5]triazine-2,4-diamine (CAS 71680-61-0)
- (4S,4'S)-4,4'-Diethyl-1,1'-di-p-tolyl-4,4',5,5'-tetrahydro-1H,1'H-2,2'-biimidazole (CAS 2374958-81-1)
- 4-(1H-pyrrol-1-yl)pyridin-2-amine (CAS 1314354-37-4)
- Semaglutide Impurity 131 (CAS 2618647-80-4)
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