2-Methyl-5-(trifluoromethyl)-2H-1,2,3-triazole-4-carboxylic acid CAS 668491-30-3
| CAS No. | 668491-30-3 |
| Molecular Formula | C5H4F3N3O2 |
| Molecular Weight | 195.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 195.10 g/mol gives 2-Methyl-5-(trifluoromethyl)-2H-1,2,3-triazole-4-carboxylic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2-Methyl-5-(trifluoromethyl)-2H-1,2,3-triazole-4-carboxylic acid (CAS 668491-30-3), molecular formula C5H4F3N3O2 and molecular weight 195.10 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 2-Methyl-5-(trifluoromethyl)-2H-1,2,3-triazole-4-carboxylic acid (C5H4F3N3O2) contains an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 195.10 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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), 2-Methyl-5-(trifluoromethyl)-2H-1,2,3-triazole-4-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 | C5H4F3N3O2 |
| Molecular Weight | 195.10 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, 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; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1985 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 3 |
Related Methyl Standards
- 1-Methyl-5-(trifluoromethyl)-1H-1,2,3-triazole-4-carboxylic Acid (CAS 1266841-66-0)
- 4-Methyl-2-(trifluoromethyl)oxazole-5-carboxylic acid (CAS 1384265-64-8)
- 1-Methyl-4-(trifluoromethyl)-1H-1,2,3-triazole-5-carboxylic acid (CAS 1393540-74-3)
- methyl 2-(trifluoromethyl)-1,3-oxazole-5-carboxylate (CAS 1803603-75-9)
- 2-Methyl-5-(trifluoromethyl)oxazole-4-carboxylic acid (CAS 18955-88-9)
- 3-Methyl-5-trifluoromethyl-isoxazole-4-carboxylic acid (CAS 193952-09-9)
- 2-methyl-4-(trifluoromethyl)-1,3-oxazole-5-carboxylic acid (CAS 499766-90-4)
- 5-Methyl-3-(trifluoromethyl)isoxazole-4-carboxylic acid (CAS 354795-48-5)
Recommended Standards
- 4-(2,2,2-Trifluoroethyl)isoxazole-3-carboxylic acid (CAS 2735655-28-2)
- 2-(2,2,2-Trifluoroethyl)-2H-1,2,3-triazole-4-carboxylic acid (CAS 2551120-16-0)
- 4-Bromothiophene-2-thiol (CAS 88982-27-8)
- 1-Bromo-6-methoxyhexane (CAS 50592-87-5)
- 3',6'-Diamino-3H-spiro[isobenzofuran-1,9'-xanthen]-3-one (CAS 509-72-8)
- 2-Amino-4,5-dimethyl-N-(pyridin-3-ylmethyl)thiophene-3-carboxamide (CAS 587851-05-6)
- 3-[(furan-2-ylmethoxy)methyl]aniline (CAS 1016534-46-5)
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- Liraglutide-d8 Tritrifluoroacetate (CAS CATO-C4X-199223)
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