2-(3,5-Dimethyl-1H-1,2,4-triazol-1-yl)acetic acid CAS 684249-99-8
| CAS No. | 684249-99-8 |
| Molecular Formula | C6H9N3O2 |
| Molecular Weight | 155.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 155.15 g/mol gives 2-(3,5-Dimethyl-1H-1,2,4-triazol-1-yl)acetic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2-(3,5-Dimethyl-1H-1,2,4-triazol-1-yl)acetic acid (CAS 684249-99-8), molecular formula C6H9N3O2 and molecular weight 155.15 g/mol, is a CATO reference standard with documented purity and traceability.
2-(3,5-Dimethyl-1H-1,2,4-triazol-1-yl)acetic acid (C6H9N3O2) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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.
As a certified reference material (CRM), 2-(3,5-Dimethyl-1H-1,2,4-triazol-1-yl)acetic 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 | C6H9N3O2 |
| Molecular Weight | 155.15 g/mol |
| Appearance | Off-white to pale 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Nitrogen Atoms | 3 |
Related Dimethyl Standards
- 4,5-Dimethyl-4H-1,2,4-triazole-3-acetic Acid (CAS 1249613-07-7)
- Methyl 1,5-dimethyl-1H-1,2,3-triazole-4-carboxylate (CAS 175789-79-4)
- Methyl 1,4-dimethyl-1H-1,2,3-triazole-5-carboxylate (CAS 175789-80-7)
- N,1-Dimethyl-5-oxo-4,5-dihydro-1H-pyrazole-3-carboxamide (CAS 185451-38-1)
- N,1-Dimethyl-5-oxo-2,5-dihydro-1H-pyrazole-3-carboxamide (CAS 185451-43-8)
- 2-(3,5-Dimethyl-4-isoxazolyl)acetic Acid (CAS 2510-27-2)
- 3,4-Dimethyl-5-oxo-2,5-dihydro-1H-pyrazole-1-carboxamide (CAS 857220-41-8)
- dimethyl-1H-1,2,3-triazole-4-carbohydrazide (CAS 1862908-11-9)
Recommended Standards
- 2-(2-Furyl)alanine (CAS 2644-43-1)
- 2-(2,5-Dimethyloxazol-4-yl)acetic acid (CAS 63892-77-3)
- 2-(3-Hydroxy-5-methyl-4H-pyrazol-4-yl)acetamide (CAS 99357-27-4)
- 2-(2-(Hydroxymethyl)-1H-pyrrol-1-yl)acetic acid (CAS 200557-24-0)
- 2-((1-Isopropyl-4-nitro-2-oxo-2,5-dihydro-1H-pyrrol-3-yl)amino)acetic acid (CAS 88767-04-8)
- (2-(1-Methyl-1H-pyrazol-4-yl)thiazol-4-yl)methanol (CAS 1216076-55-9)
- 6-(4-Chlorophenyl)-3-(ethylthio)-[1,2,4]triazolo[4,3-b]pyridazine (CAS 894037-77-5)
- 3-Fluoro-3-methylcyclobutanecarboxylic acid (CAS 1613330-60-1)
- 1-(5-Chloro-2-methylphenyl)-N-(4-phenoxyphenyl)-1H-pyrazolo[3,4-d]pyrimidin-4-amine (CAS 890937-57-2)
- 1-(5-Amino-2-methylpyridin-3-yl)ethanone (CAS 943641-21-2)
- 1,1-Dimethylethyl (3aR,7aR)-octahydro-1H-pyrrolo[3,2-b]pyridine-1-carboxylate (CAS 1932186-16-7)
- 4-(4-(2-Methoxyethyl)phenoxy)butan-1-amine (CAS 1098368-62-7)
- (2-fluoro-4-hydroxyphenyl)boronic acid (CAS 1376989-43-3)
- Semaglutide impurity 45 (CAS CATO-C4X-222645)
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