| CAS No. | 618098-47-8 |
| Molecular Formula | C17H13ClN2O |
| Molecular Weight | 296.75 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
1-(4-Chlorophenyl)-3-(p-tolyl)-1H-pyrazole-4-carbaldehyde (CAS 618098-47-8), molecular formula C17H13ClN2O and molecular weight 296.75 g/mol, is a CATO reference standard with documented purity and traceability.
1-(4-Chlorophenyl)-3-(p-tolyl)-1H-pyrazole-4-carbaldehyde (C17H13ClN2O) contains a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. Halogen substitution raises its density and boiling point, its high carbon-to-hydrogen ratio confers good lipid solubility; 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.
CATO manufactures 1-(4-Chlorophenyl)-3-(p-tolyl)-1H-pyrazole-4-carbaldehyde 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 | C17H13ClN2O |
| Molecular Weight | 296.75 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 tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |