5-{[(3,5-dimethylphenyl)methyl]sulfanyl}-2-ethyl-8,9-dimethoxy-[1,2,4]triazolo[1,5-c]quinazoline CAS 1221715-41-8
| CAS No. | 1221715-41-8 |
| Molecular Formula | C22H24N4O2S |
| Molecular Weight | 408.52 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 5-{[(3,5-dimethylphenyl)methyl]sulfanyl}-2-ethyl-8,9-dimethoxy-[1,2,4]triazolo[1,5-c]quinazoline is closely related to a steroid 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.
5-{[(3,5-dimethylphenyl)methyl]sulfanyl}-2-ethyl-8,9-dimethoxy-[1,2,4]triazolo[1,5-c]quinazoline (CAS 1221715-41-8) is a high-purity analytical reference standard with the molecular formula C22H24N4O2S and a molecular weight of 408.52 g/mol.
Structurally, 5-{[(3,5-dimethylphenyl)methyl]sulfanyl}-2-ethyl-8,9-dimethoxy-[1,2,4]triazolo[1,5-c]quinazoline (C22H24N4O2S) contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 13.0, corresponding to approximately 13 ring(s) or double-bond equivalent(s). With a molecular weight of 408.52 g/mol, it falls into the moderately-high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), 5-{[(3,5-dimethylphenyl)methyl]sulfanyl}-2-ethyl-8,9-dimethoxy-[1,2,4]triazolo[1,5-c]quinazoline 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.
Physical & Chemical Properties
| Molecular Formula | C22H24N4O2S |
| Molecular Weight | 408.52 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Related dimethylphenyl Standards
- N-(2,5-Dimethylphenyl)-2-[4-(5-methyl-1,2,4-oxadiazol-3-yl)-1,3-dioxo-1H,2H,3H,5H,6H,7H,8H-pyrido[1,2-c]pyrimidin-2-yl]acetamide (CAS 1775308-37-6)
- N-(3,4-Dimethylphenyl)-2-[4-(5-methyl-1,2,4-oxadiazol-3-yl)-1,3-dioxo-1H,2H,3H,5H,6H,7H,8H-pyrido[1,2-c]pyrimidin-2-yl]acetamide (CAS 1775553-89-3)
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- Ethyl 2-(4-(2,6-dimethylphenyl)piperazin-1-yl)-5-(thiophen-2-yl)-1H-pyrrole-3-carboxylate (CAS 478050-16-7)
- 1-(3,4-Dimethylphenyl)-N-(4-phenoxyphenyl)-1H-pyrazolo[3,4-d]pyrimidin-4-amine (CAS 890886-33-6)
- 2-(4-(2,4-Dimethylphenyl)piperazin-1-yl)-N-(4-(trifluoromethoxy)phenyl)acetamide (CAS 882082-37-3)
- Tris(2,6-dimethylphenyl) phosphate (CAS 121-06-2)
- Tris(2,5-dimethylphenyl) phosphate (CAS 19074-59-0)
Recommended Standards
- 2-Bromo-6-chloro-5-methyl-3-phenyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine (CAS 1010100-98-7)
- 3'-(Benzenesulfonyl)-1'-[3-(1H-imidazol-1-yl)propyl]-4',5'-dimethyl-1'H-1,2'-bipyrrole (CAS 860648-67-5)
- Tamsulosin EP Impurity G (CAS 106138-88-9)
- 5-((2,5-Dimethylbenzyl)thio)-2-ethyl-8,9-dimethoxy-[1,2,4]triazolo[1,5-c]quinazoline (CAS 860650-31-3)
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