4-[(2-methoxyphenyl)methyl]-1-sulfanyl-4h,5h-[1,2,4]triazolo[4,3-a]quinazolin-5-one CAS 736960-50-2
| CAS No. | 736960-50-2 |
| Molecular Formula | C17H14N4O2S |
| Molecular Weight | 338.38 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 4-[(2-methoxyphenyl)methyl]-1-sulfanyl-4h,5h-[1,2,4]triazolo[4,3-a]quinazolin-5-one 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.
CATO supplies 4-[(2-methoxyphenyl)methyl]-1-sulfanyl-4h,5h-[1,2,4]triazolo[4,3-a]quinazolin-5-one (CAS 736960-50-2), a certified reference material (molecular formula C17H14N4O2S, MW 338.38 g/mol) for analytical method development and quality control.
Owing to a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, 4-[(2-methoxyphenyl)methyl]-1-sulfanyl-4h,5h-[1,2,4]triazolo[4,3-a]quinazolin-5-one is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 338.38 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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), 4-[(2-methoxyphenyl)methyl]-1-sulfanyl-4h,5h-[1,2,4]triazolo[4,3-a]quinazolin-5-one 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 | C17H14N4O2S |
| Molecular Weight | 338.38 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°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.) | 1986 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 4-({[3-(Methoxymethyl)-5-oxo-1,5-dihydro-4H-pyrazol-4-yliden]methyl}amino)-N,N-dimethylbenzenesulfonamide (CAS 320415-77-8)
- 3',4'-Dinitro-2,2':5',2''-terthiophene (CAS 205170-72-5)
- 4-Methyl-2-(3-(morpholine-4-carbonyl)phenyl)isothiazolidin-3-one 1,1-dioxide (CAS 919629-33-7)
- 3-(6-Fluoropyridin-3-yl)-2-[4-(4-methyl-4H-1,2,4-triazol-3-yl)piperidin-1-yl]pyridine (CAS 2117405-13-5)
- (R)-3-(4-Fluorophenyl)piperidine (CAS 1259007-80-1)
- Ethyl 2,2-diethylbutanoate (CAS 34666-17-6)
- Ethenesulfonic acid, sodium salt , polymer with 1-ethenyl-2-pyrrolidinone and 2-propenamide (CAS 59822-54-7)
- 2-((Difluoromethyl)thio)-1h-benzo[d]imidazol-6-amine (CAS 1249457-19-9)
- 1-(3-Bromo-2-methylphenyl)propan-2-one (CAS 1504015-47-7)
- 1-Cyclohexyl-5-(2-hydroxy-benzoyl)-2-oxo-1,2-dihydro-pyridine-3-carbonitrile (CAS 730949-56-1)
- 2-(Dimethyl-1,2-oxazol-4-yl)propanoic acid (CAS 897008-27-4)
- 1-Aminocyclohexanecarbonitrile (CAS 5496-10-6)
- Potassium (2-(1,3-dioxolan-2-yl)ethyl)trifluoroborate (CAS 1427190-91-7)
- Des-Leu14-Tirzepatide (CAS CATO-CPTD788959)
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