2-(1-methyl-1H-1,2,4-triazol-3-yl)acetic acid CAS 1245645-84-4
| CAS No. | 1245645-84-4 |
| Molecular Formula | C5H11N3O2 |
| Molecular Weight | 145.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 2-(1-methyl-1H-1,2,4-triazol-3-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.
2-(1-methyl-1H-1,2,4-triazol-3-yl)acetic acid (CAS 1245645-84-4) is a high-purity analytical reference standard with the molecular formula C5H11N3O2 and a molecular weight of 145.16 g/mol.
Based on its molecular formula C5H11N3O2, 2-(1-methyl-1H-1,2,4-triazol-3-yl)acetic acid contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 145.16 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.
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 | C5H11N3O2 |
| Molecular Weight | 145.16 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 3 |
Recommended Standards
- 4-methylmorpholine-3-carboxylic acid (CAS 1240518-88-0)
- 2-hydroxy-2-(oxolan-3-yl)acetamide (CAS 1247174-57-7)
- 1,7-Naphthyridin-5-amine (CAS 123434-45-7)
- 2-(1-methyl-1H-1,2,4-triazol-5-yl)acetic acid (CAS 1248789-39-0)
- N-(4-(Benzyloxy)phenyl)-2-((5-(pyridin-4-yl)-4-(p-tolyl)-4H-1,2,4-triazol-3-yl)thio)acetamide (CAS 477318-61-9)
- 7-Chloro-2-methyl-1H-indole-3-carbaldehyde (CAS 117752-77-9)
- 4-Bromo-2-chlorobenzyl alchol (CAS 185315-48-4)
- Ethyl 3-hydroxy-4-(tosyloxy)butanoate (CAS 828276-85-3)
- Ethyl 1-amino-2-methylcyclopentane-1-carboxylate (CAS 736094-91-0)
- 5-Fluoro-2-(trifluoromethyl)nicotinic acid (CAS 1804046-57-8)
- 4-((3-(2-(Trifluoromethyl)phenyl)-1,2,4-oxadiazol-5-yl)methoxy)benzaldehyde (CAS 1710660-94-8)
- 2-(2-Iodoethyl)isoindoline-1,3-dione (CAS 40149-83-5)
- Ethyl cyclopropaneacetate (CAS 53432-87-4)
- 915019-08-8 55R7RG342O Tertomotide [INN] Human telomerase reverse transcriptase (EC 2.7.7.49)-(611-626)-peptide (telomerase catalytic subunit fragment) Tertomotide UNII-55R7RG342O GV 1001 GV-1001 (CAS 915019-08-8)
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