Celecoxib Carboxylic Acid-Acyl-beta-D-Glucuronide CAS 264236-79-5
| CAS No. | 264236-79-5 |
| Molecular Formula | C23H20F3N3O10S |
| Molecular Weight | 587.48 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
Celecoxib Carboxylic Acid-Acyl-beta-D-Glucuronide (CAS 264236-79-5), molecular formula C23H20F3N3O10S and molecular weight 587.48 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, Celecoxib Carboxylic Acid-Acyl-beta-D-Glucuronide (C23H20F3N3O10S) contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, fluorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 14.0, corresponding to approximately 14 ring(s) or double-bond equivalent(s). With a molecular weight of 587.48 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).
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C23H20F3N3O10S |
| Molecular Weight | 587.48 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Celecoxib Standards
- Celecoxib Impurity 6 (CAS CATO-C4X-10436)
- Celecoxib Impurity 47 (CAS CATO-C4X-104347)
- Celecoxib Carboxylic Acid Methyl Ester (CAS 1189893-75-1)
- Celecoxib Impurity 66 (CAS CATO-C4X-104366)
- Celecoxib Impurity 73 (CAS CATO-C4X-104373)
- Celecoxib Impurity 23 (CAS 2247197-65-3)
- Celecoxib Impurity 51 (CAS CATO-C4X-104351)
- Celecoxib Impurity 65 (CAS CATO-C4X-104365)
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