2-(2,4-dimethylphenyl)-5-methyl-2H-1,2,3-triazole-4-carboxylic acid CAS 851175-96-7
| CAS No. | 851175-96-7 |
| Molecular Formula | C12H13N3O2 |
| Molecular Weight | 231.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
2-(2,4-dimethylphenyl)-5-methyl-2H-1,2,3-triazole-4-carboxylic acid (CAS 851175-96-7) is a high-purity analytical reference standard with the molecular formula C12H13N3O2 and a molecular weight of 231.25 g/mol.
Based on its molecular formula C12H13N3O2, 2-(2,4-dimethylphenyl)-5-methyl-2H-1,2,3-triazole-4-carboxylic acid contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 231.25 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).
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.
Physical & Chemical Properties
| Molecular Formula | C12H13N3O2 |
| Molecular Weight | 231.25 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 3 |
Related dimethylphenyl Standards
- 3-(2,6-Dimethylphenyl)-5-methyl-1,2-oxazole-4-carboxylic acid (CAS 1104461-65-5)
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- 3-(2,5-Dimethylphenyl)-5-methylisoxazole-4-carboxylic acid (CAS 1480355-55-2)
- 1-(3,4-Dimethylphenyl)-5-methyl-1H-1,2,3-triazole-4-carboxylic acid (CAS 923691-82-1)
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Recommended Standards
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- Ethyl 2-(4-(thiomorpholinomethyl)benzoyl)benzoate (CAS 898782-49-5)
- 4-CN debranone (CAS 1332863-97-4)
- 1-(2-Methoxy-phenyl)-N1,N1-dimethyl-ethane-1,2-diamine (CAS 842976-90-3)
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- 2-(3-cyclopropyl-1-methyl-1H-1,2,4-triazol-5-yl)acetic acid (CAS 1343789-51-4)
- D-Ser39-Tirzepatide (CAS CATO-CPTD788694)
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