| CAS No. | 303985-95-7 |
| Molecular Formula | C23H19ClN4O |
| Molecular Weight | 402.88 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
1-(4-(3-(4-Chlorophenyl)pyrazolo[1,5-a]pyrimidin-7-yl)phenyl)-3,3-dimethylazetidin-2-one (CAS 303985-95-7), molecular formula C23H19ClN4O and molecular weight 402.88 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C23H19ClN4O, 1-(4-(3-(4-Chlorophenyl)pyrazolo[1,5-a]pyrimidin-7-yl)phenyl)-3,3-dimethylazetidin-2-one contains a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 402.88 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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-(3-(4-Chlorophenyl)pyrazolo[1,5-a]pyrimidin-7-yl)phenyl)-3,3-dimethylazetidin-2-one 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 | C23H19ClN4O |
| Molecular Weight | 402.88 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light |
| 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) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |