N-(2-(5-(2-Hydroxyphenyl)-1-isobutyryl-4,5-dihydro-1H-pyrazol-3-yl)phenyl)methanesulfonamide CAS 927073-06-1
| CAS No. | 927073-06-1 |
| Molecular Formula | C20H23N3O4S |
| Molecular Weight | 401.48 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.
N-(2-(5-(2-Hydroxyphenyl)-1-isobutyryl-4,5-dihydro-1H-pyrazol-3-yl)phenyl)methanesulfonamide (CAS 927073-06-1), molecular formula C20H23N3O4S and molecular weight 401.48 g/mol, is a CATO reference standard with documented purity and traceability.
N-(2-(5-(2-Hydroxyphenyl)-1-isobutyryl-4,5-dihydro-1H-pyrazol-3-yl)phenyl)methanesulfonamide (C20H23N3O4S) contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), N-(2-(5-(2-Hydroxyphenyl)-1-isobutyryl-4,5-dihydro-1H-pyrazol-3-yl)phenyl)methanesulfonamide meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C20H23N3O4S |
| Molecular Weight | 401.48 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 |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
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Recommended Standards
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