5-(2-Chloro-4-methylphenyl)-4-phenyl-4H-1,2,4-triazole-3-thiol CAS 632292-91-2
| CAS No. | 632292-91-2 |
| Molecular Formula | C15H12ClN3S |
| Molecular Weight | 301.79 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C15H12ClN3S, 5-(2-Chloro-4-methylphenyl)-4-phenyl-4H-1,2,4-triazole-3-thiol contains a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 301.79 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
5-(2-Chloro-4-methylphenyl)-4-phenyl-4H-1,2,4-triazole-3-thiol (CAS 632292-91-2), molecular formula C15H12ClN3S and molecular weight 301.79 g/mol, is a CATO reference standard with documented purity and traceability.
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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C15H12ClN3S |
| Molecular Weight | 301.79 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 5-(3-Chloro-4-methylphenyl)-4-phenyl-4H-1,2,4-triazole-3-thiol (CAS 632292-94-5)
- 4-Benzyl-5-(4-chlorophenyl)-4H-1,2,4-triazole-3-thiol (CAS 23282-92-0)
- 5-(3-Chlorobenzyl)-4-phenyl-2,4-dihydro-3H-1,2,4-triazole-3-thione (CAS 791717-23-2)
- 4-Benzyl-5-(2-chlorophenyl)-4H-1,2,4-triazole-3-thiol (CAS 23282-94-2)
- 4-Chloro-6-(trifluoromethyl)-1,2,3-benzotriazole (CAS 1086836-70-5)
- Benzo[d]oxazole-5-carbonitrile (CAS 132227-01-1)
- N-(2-(2,4,6-Trichlorophenoxy)ethyl)propan-2-amine (CAS 1038331-72-4)
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- 4-Cyano-3-isobutoxyphenylboronic acid (CAS 2096335-50-9)
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