4-Ethyl-3-methyl-1H-1,2,4-triazol-5(4H)-one CAS 58910-25-1

Purity 97%+In StockPharmaceutical Standards
CAS No.58910-25-1
Molecular FormulaC5H9N3O
Molecular Weight127.14 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-Ethyl-3-methyl-1H-1,2,4-triazol-5(4H)-one CAS 58910-25-1 chemical structure

Description

As a certified reference material (CRM), 4-Ethyl-3-methyl-1H-1,2,4-triazol-5(4H)-one 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.

4-Ethyl-3-methyl-1H-1,2,4-triazol-5(4H)-one (CAS 58910-25-1) is a high-purity analytical reference standard with the molecular formula C5H9N3O and a molecular weight of 127.14 g/mol.

Structurally, 4-Ethyl-3-methyl-1H-1,2,4-triazol-5(4H)-one (C5H9N3O) contains an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 3.0, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 127.14 g/mol, it falls into the low-molecular-weight range. 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 FormulaC5H9N3O
Molecular Weight127.14 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityLight-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)3.0
UV AbsorptionUV-absorbing
CAS Registry Year (est.)1973
Nitrogen Atoms3

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