| CAS No. | 895646-91-0 |
| Molecular Formula | C23H18ClN5O2S |
| Molecular Weight | 463.94 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 463.94 g/mol gives 3-((4-Chlorophenyl)sulfonyl)-N-(4-methylbenzyl)-[1,2,3]triazolo[1,5-a]quinazolin-5-amine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
3-((4-Chlorophenyl)sulfonyl)-N-(4-methylbenzyl)-[1,2,3]triazolo[1,5-a]quinazolin-5-amine (CAS 895646-91-0), molecular formula C23H18ClN5O2S and molecular weight 463.94 g/mol, is a CATO reference standard with documented purity and traceability.
3-((4-Chlorophenyl)sulfonyl)-N-(4-methylbenzyl)-[1,2,3]triazolo[1,5-a]quinazolin-5-amine (C23H18ClN5O2S) contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution. It is notably hygroscopic, halogen substitution raises its density and boiling point, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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 3-((4-Chlorophenyl)sulfonyl)-N-(4-methylbenzyl)-[1,2,3]triazolo[1,5-a]quinazolin-5-amine 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 | C23H18ClN5O2S |
| Molecular Weight | 463.94 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) | 17.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 5 |
| Sulfur Atoms | 1 |