| CAS No. | 556007-00-2 |
| Molecular Formula | C19H19N3O5S |
| Molecular Weight | 401.44 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
The occurrence of 3-(n-(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1h-pyrazol-4-yl)-n-methylsulfamoyl)benzoic acid is closely related to a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
3-(n-(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1h-pyrazol-4-yl)-n-methylsulfamoyl)benzoic acid (CAS 556007-00-2) is a high-purity analytical reference standard with the molecular formula C19H19N3O5S and a molecular weight of 401.44 g/mol.
3-(n-(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1h-pyrazol-4-yl)-n-methylsulfamoyl)benzoic acid (C19H19N3O5S) 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. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 3-(n-(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1h-pyrazol-4-yl)-n-methylsulfamoyl)benzoic acid 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.
| Molecular Formula | C19H19N3O5S |
| Molecular Weight | 401.44 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1984 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |