2-(2-methyl-2H-1,2,3-triazol-4-yl)acetic acid CAS 1781561-64-5

Purity 97%+In StockPharmaceutical Standards
CAS No.1781561-64-5
Molecular FormulaC5H11N3O2
Molecular Weight145.16 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2-(2-methyl-2H-1,2,3-triazol-4-yl)acetic acid CAS 1781561-64-5 chemical structure

Description

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.

2-(2-methyl-2H-1,2,3-triazol-4-yl)acetic acid (CAS 1781561-64-5) is a high-purity analytical reference standard with the molecular formula C5H11N3O2 and a molecular weight of 145.16 g/mol.

2-(2-methyl-2H-1,2,3-triazol-4-yl)acetic acid (C5H11N3O2) 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.

As a certified reference material (CRM), 2-(2-methyl-2H-1,2,3-triazol-4-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 FormulaC5H11N3O2
Molecular Weight145.16 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityLight-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)2.0
CAS Registry Year (est.)1994
Nitrogen Atoms3

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