4-(3-methylphenyl)-1-sulfanyl-4H,5H-[1,2,4]triazolo[4,3-a]quinazolin-5-one CAS 67442-91-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 67442-91-5 |
| Molecular Formula | C16H28N4OS |
| Molecular Weight | 324.48 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-(3-methylphenyl)-1-sulfanyl-4H,5H-[1,2,4]triazolo[4,3-a]quinazolin-5-one (CAS 67442-91-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C16H28N4OS. Molecular weight: 324.48 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C16H28N4OS |
| Molecular Weight | 324.48 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1976 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 2-[(4-Aminophenyl)thio]-N-[5-(ethylthio)-2-thienyl]acetamide (CAS 931300-82-2)
- 4-phenyl-8-sulfanyl-4,5,7,9-tetraazatricyclo[7.5.0.0²,⁶]tetradeca-1,5,7-trien-3-one (CAS 721908-07-2)
- (Perchlorophenyl)(propyl)sulfane (CAS 221031-78-3)
- 5-(3-Methoxyphenyl)-7-(trifluoromethyl)-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrimidine-3-carboxylic acid (CAS 667921-14-4)
- 1-Tetradecyl-1H-pyrrole-2,5-dione (CAS 47150-19-6)
- (S)-1-Acetyl-N-((R)-1-amino-1-oxopropan-2-yl)-N-methylpyrrolidine-2-carboxamide (CAS 79479-31-5)
- 1-(2-Methyl-6-(trifluoromethyl)pyridin-3-yl)ethan-1-one (CAS 205582-83-8)
- (2e)-3-[1-benzyl-3-(pyridin-3-yl)-1h-pyrazol-4-yl]prop-2-enoic acid (CAS 956244-24-9)
- 3-Bromo-4-(trifluoromethoxy)benzonitrile (CAS 191602-89-8)
- Semaglutide Impurity 177 (CAS CATO-C4X-2226177)
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