4-Phenyl-3,5-di-p-tolyl-4H-1,2,4-triazole CAS 16112-40-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 16112-40-6 |
| Molecular Formula | C22H19N3 |
| Molecular Weight | 325.41 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
4-Phenyl-3,5-di-p-tolyl-4H-1,2,4-triazole (CAS 16112-40-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C22H19N3. Molecular weight: 325.41 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C22H19N3 |
| Molecular Weight | 325.41 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1961 |
| Nitrogen Atoms | 3 |
Recommended Standards
- N,6-Diphenyl-[1,2,4]triazolo[3,4-c][1,2,4,5]dithiadiazin-3-amine (CAS 127399-34-2)
- N-(tert-Butyl)-4-((2-oxoimidazolidine-1-carboxamido)methyl)piperidine-1-carboxamide (CAS 1797793-52-2)
- Ethyl 6-methyl-4-(((2-methylthiazol-4-yl)methyl)thio)-2-oxo-1,2-dihydropyrimidine-5-carboxylate (CAS 1203330-51-1)
- 2-(2,4-Dichlorobenzyl)-6-phenyl-5-(piperidin-1-yl)pyridazin-3(2H)-one (CAS 478029-35-5)
- Ethyl 3-(((benzyloxy)carbonyl)amino)-3-methylbutanoate (CAS 1381947-21-2)
- 2,4-Db-Methyl Ester (CAS 18625-12-2)
- Rivaroxaban impurity 190 (CAS CATO-C4X-1090190)
- (4E)-4-[(2H-1,3-Benzodioxol-5-yl)methylidene]-1-(3-fluoropropyl)-2-({[3-(trifluoromethyl)phenyl]methyl}sulfanyl)-4,5-dihydro-1H-imidazol-5-one (CAS 860651-15-6)
- (E)-4-(4-benzylpiperazin-1-yl)-1,1,1-trifluorobut-3-en-2-ol (CAS 478047-18-6)
- Semaglutide impurity 44 (CAS CATO-C4X-222644)
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