| CAS No. | 60864-52-0 |
| Molecular Formula | C23H25FO4 |
| Molecular Weight | 384.44 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
6 β-Fluoro-21-hydroxypregna-1,4,9(11),16-Tetraene-3,20-dione 21-Acetate (CAS 60864-52-0) is a high-purity analytical reference standard with the molecular formula C23H25FO4 and a molecular weight of 384.44 g/mol.
Structurally, 6 β-Fluoro-21-hydroxypregna-1,4,9(11),16-Tetraene-3,20-dione 21-Acetate (C23H25FO4) contains a flavonoid core, a hydroxyl group, an ether linkage, fluorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 11.0, corresponding to approximately 11 ring(s) or double-bond equivalent(s). With a molecular weight of 384.44 g/mol, it falls into the moderately-high-molecular-weight range. 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.
CATO manufactures 6 β-Fluoro-21-hydroxypregna-1,4,9(11),16-Tetraene-3,20-dione 21-Acetate 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.
| Molecular Formula | C23H25FO4 |
| Molecular Weight | 384.44 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1974 |
| Halogen Content | F-containing |