2-Methoxy-4-(3-(m-tolyl)-1H-1,2,4-triazol-5-yl)phenol CAS 1416345-03-3

Purity 97%+In StockPharmaceutical Standards
CAS No.1416345-03-3
Molecular FormulaC16H15N3O2
Molecular Weight281.31 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2-Methoxy-4-(3-(m-tolyl)-1H-1,2,4-triazol-5-yl)phenol CAS 1416345-03-3 chemical structure

Description

As a certified reference material (CRM), 2-Methoxy-4-(3-(m-tolyl)-1H-1,2,4-triazol-5-yl)phenol 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-Methoxy-4-(3-(m-tolyl)-1H-1,2,4-triazol-5-yl)phenol (CAS 1416345-03-3), molecular formula C16H15N3O2 and molecular weight 281.31 g/mol, is a CATO reference standard with documented purity and traceability.

2-Methoxy-4-(3-(m-tolyl)-1H-1,2,4-triazol-5-yl)phenol (C16H15N3O2) contains a nitrogen-containing heterocyclic scaffold, 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.

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 FormulaC16H15N3O2
Molecular Weight281.31 g/mol
AppearancePale yellow to yellow crystalline powder
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)11.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1991
Nitrogen Atoms3

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