5-(Chloromethyl)-1H-1,2,4-triazole CAS 55928-92-2

Purity 97%+In StockPharmaceutical Standards
CAS No.55928-92-2
Molecular FormulaC3H4ClN3
Molecular Weight117.54 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

5-(Chloromethyl)-1H-1,2,4-triazole CAS 55928-92-2 chemical structure

Description

5-(Chloromethyl)-1H-1,2,4-triazole (CAS 55928-92-2) is a high-purity analytical reference standard with the molecular formula C3H4ClN3 and a molecular weight of 117.54 g/mol.

Owing to a nitrile group, chlorine substitution, 5-(Chloromethyl)-1H-1,2,4-triazole is typically white to pale yellow liquid. Its solid-state physicochemical attributes — including a molecular weight of 117.54 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.

As a certified reference material (CRM), 5-(Chloromethyl)-1H-1,2,4-triazole 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 FormulaC3H4ClN3
Molecular Weight117.54 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)3.0
UV AbsorptionUV-absorbing
CAS Registry Year (est.)1972
Halogen ContentCl-containing
Nitrogen Atoms3

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