5-(m-Tolyl)-4H-1,2,4-triazole-3-carboxylic acid CAS 944897-46-5
| CAS No. | 944897-46-5 |
| Molecular Formula | C10H9N3O2 |
| Molecular Weight | 203.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 5-(m-Tolyl)-4H-1,2,4-triazole-3-carboxylic acid is closely related to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
5-(m-Tolyl)-4H-1,2,4-triazole-3-carboxylic acid (CAS 944897-46-5), molecular formula C10H9N3O2 and molecular weight 203.20 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 5-(m-Tolyl)-4H-1,2,4-triazole-3-carboxylic acid (C10H9N3O2) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 203.20 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 5-(m-Tolyl)-4H-1,2,4-triazole-3-carboxylic acid meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
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.) | 1987 |
| Nitrogen Atoms | 3 |
Related m 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-(o-Tolyl)-1H-1,2,4-triazole-3-carboxylic acid (CAS 1245644-79-4)
- 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)
Recommended Standards
- 5-(Benzo[d][1,3]dioxol-5-yl)-1H-pyrazol-3-amine (CAS 208519-15-7)
- 5-(p-Tolyl)-4H-1,2,4-triazole-3-carboxylic acid (CAS 944897-43-2)
- 5-(4-Methoxyphenyl)-4H-1,2,4-triazole-3-carbaldehyde (CAS 944906-31-4)
- 5,6-Dimethoxy-1H-indazole-3-carbonitrile (CAS 29281-09-2)
- 3-Aminopiperidin-4-ol (CAS 454713-07-6)
- 4-Methyl-5-(4-pentylcyclohexyl)-4H-1,2,4-triazole-3-thiol (CAS 866039-82-9)
- 5-[3-(trifluoromethoxy)phenyl]-1,3,4-thiadiazol-2-amine hydrochloride (CAS 1803611-19-9)
- 4-(2,4,6-Trimethylbenzoyl)-1-oxa-4-azaspiro[4.5]decane-3-carboxylic acid (CAS 1326813-90-4)
- 2-Bromo-4-methyl-1-(propan-2-yl)benzene (CAS 4478-10-8)
- 2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-(4-chlorophenyl)propanoic acid (CAS 250740-51-3)
- 3-(1,3-Dioxan-2-yl)-1-(thiophen-2-yl)propan-1-ol (CAS 1443302-24-6)
- 3,4-Dibromo-5-methylbenzoic acid (CAS 1564638-18-1)
- 3-(1H-Benzo[d]imidazol-1-yl)-N'-(thiophen-2-ylmethylene)propanehydrazide (CAS 518018-69-4)
- Met(O)14-Exenatide trifluoroacetate salt (CAS 1678417-38-3)
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