1-(o-Tolyl)-1H-1,2,4-triazole-3-carboxylic acid CAS 1245644-79-4
| CAS No. | 1245644-79-4 |
| Molecular Formula | C10H9N3O2 |
| Molecular Weight | 203.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 1-(o-Tolyl)-1H-1,2,4-triazole-3-carboxylic acid 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.
1-(o-Tolyl)-1H-1,2,4-triazole-3-carboxylic acid (CAS 1245644-79-4) is a high-purity analytical reference standard with the molecular formula C10H9N3O2 and a molecular weight of 203.20 g/mol.
Based on its molecular formula C10H9N3O2, 1-(o-Tolyl)-1H-1,2,4-triazole-3-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 203.20 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.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C10H9N3O2 |
| Molecular Weight | 203.20 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (faint amine-like odor) |
| 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.) | 1990 |
| Nitrogen Atoms | 3 |
Related o Standards
- 1-(p-Tolyl)-1H-1,2,4-triazole-3-carboxylic acid (CAS 1020253-51-3)
- 1-(o-Tolyl)-1H-1,2,3-triazole-5-carboxylic acid (CAS 1153905-10-2)
- 1-(M-tolyl)-1H-1,2,4-triazole-3-carboxylic acid (CAS 1245649-64-2)
- 5-(p-Tolyl)-1H-1,2,3-triazole-4-carboxylic acid (CAS 1368022-26-7)
- 5-(o-Tolyl)-1H-1,2,4-triazole-3-carboxylic acid (CAS 1404364-77-7)
- 2-(m-Tolyl)-1,2,4-triazine-3,5(2H,4H)-dione (CAS 55784-52-6)
- 2-(P-tolyl)-2H-1,2,3-triazole-4-carboxylic acid (CAS 69059-60-5)
- 5-(m-Tolyl)-4H-1,2,4-triazole-3-carboxylic acid (CAS 944897-46-5)
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Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com