7-Chloro-3-((3,4-dimethylphenyl)sulfonyl)-N-(4-methoxyphenyl)-[1,2,3]triazolo[1,5-a]quinazolin-5-amine CAS 904584-44-7
| CAS No. | 904584-44-7 |
| Molecular Formula | C24H20ClN5O3S |
| Molecular Weight | 493.97 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 7-Chloro-3-((3,4-dimethylphenyl)sulfonyl)-N-(4-methoxyphenyl)-[1,2,3]triazolo[1,5-a]quinazolin-5-amine is closely related to a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
7-Chloro-3-((3,4-dimethylphenyl)sulfonyl)-N-(4-methoxyphenyl)-[1,2,3]triazolo[1,5-a]quinazolin-5-amine (CAS 904584-44-7), molecular formula C24H20ClN5O3S and molecular weight 493.97 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C24H20ClN5O3S, 7-Chloro-3-((3,4-dimethylphenyl)sulfonyl)-N-(4-methoxyphenyl)-[1,2,3]triazolo[1,5-a]quinazolin-5-amine contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 493.97 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C24H20ClN5O3S |
| Molecular Weight | 493.97 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 |
Related Chloro Standards
- 7-Chloro-3-(3,4-dimethylbenzenesulfonyl)-N-(3-methoxyphenyl)-[1,2,3]triazolo[1,5-a]quinazolin-5-amine (CAS 904584-39-0)
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