4-(4-Methoxyphenyl)-1-sulfanyl-4h,5h-[1,2,4]triazolo[4,3-a]quinazolin-5-one CAS 345936-00-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 345936-00-7 |
| Molecular Formula | C16H12N4O2S |
| Molecular Weight | 324.36 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-(4-Methoxyphenyl)-1-sulfanyl-4h,5h-[1,2,4]triazolo[4,3-a]quinazolin-5-one (CAS 345936-00-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C16H12N4O2S. Molecular weight: 324.36 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C16H12N4O2S |
| Molecular Weight | 324.36 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.) | 2025 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 3-(4-Thiomethylphenyl)-3-trifluoromethyl-propiophenone (CAS 898781-55-0)
- N,N'-(1,3,4-Thiadiazole-2,5-diyl)dibenzamide (CAS 62235-57-8)
- 3-(4-(Methylthio)phenyl)-1-(4-(trifluoromethyl)phenyl)propan-1-one (CAS 898781-57-2)
- 1-((4-Chloro-2,5-dimethylphenyl)sulfonyl)-2-ethyl-4-methyl-1H-imidazole (CAS 898656-21-8)
- 1-Chloro-3-(2-nitroethyl)benzene (CAS 140378-05-8)
- tert-butyl 3-hydroxy-3-(naphthalen-1-yl)azetidine-1-carboxylate (CAS 1696848-61-9)
- Neopentyl-tBu2P Pd G2 (CAS 2230788-59-5)
- 6,7-Dichloro-4,4-dimethyl-3,4-dihydroquinolin-2(1H)-one (CAS 1820716-76-4)
- methyl 5-cyano-1-methyl-1H-pyrrole-2-carboxylate (CAS 1041644-52-3)
- Semaglutide Impurity 123 (CAS 71997-93-8)
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