5-Chloro-2-(3-ethyl-1-methyl-1h-1,2,4-triazol-5-yl)aniline CAS 1341339-93-2
| CAS No. | 1341339-93-2 |
| Molecular Formula | C11H13ClN4 |
| Molecular Weight | 236.70 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Chloro-2-(3-ethyl-1-methyl-1h-1,2,4-triazol-5-yl)aniline (CAS 1341339-93-2), molecular formula C11H13ClN4 and molecular weight 236.70 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C11H13ClN4, 5-Chloro-2-(3-ethyl-1-methyl-1h-1,2,4-triazol-5-yl)aniline contains a nitrogen-containing heterocyclic scaffold, a nitrile group, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 236.70 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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.
CATO manufactures 5-Chloro-2-(3-ethyl-1-methyl-1h-1,2,4-triazol-5-yl)aniline under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C11H13ClN4 |
| Molecular Weight | 236.70 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
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Recommended Standards
- 2-Chloro-5-(3-ethyl-1-methyl-1h-1,2,4-triazol-5-yl)aniline (CAS 1340536-85-7)
- 3-Chloro-4-(3-ethyl-1-methyl-1h-1,2,4-triazol-5-yl)aniline (CAS 1343861-77-7)
- 4-Chloro-3-(3-ethyl-1-methyl-1h-1,2,4-triazol-5-yl)aniline (CAS 1340157-20-1)
- 2-Chloro-N-(4-cyanobenzyl)-N-ethylacetamide (CAS 1353966-80-9)
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Why CATO?
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