4-Phenyl-3,5-di-p-tolyl-4H-1,2,4-triazole CAS 16112-40-6

Purity 97%+In StockPharmaceutical Standards
CAS No.16112-40-6
Molecular FormulaC22H19N3
Molecular Weight325.41 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-Phenyl-3,5-di-p-tolyl-4H-1,2,4-triazole CAS 16112-40-6 chemical structure

Description

Owing to a nitrogen-containing heterocyclic scaffold, a nitrile group, 4-Phenyl-3,5-di-p-tolyl-4H-1,2,4-triazole is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 325.41 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.

4-Phenyl-3,5-di-p-tolyl-4H-1,2,4-triazole (CAS 16112-40-6), molecular formula C22H19N3 and molecular weight 325.41 g/mol, is a CATO reference standard with documented purity and traceability.

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

As a certified reference material (CRM), 4-Phenyl-3,5-di-p-tolyl-4H-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 FormulaC22H19N3
Molecular Weight325.41 g/mol
AppearancePale yellow to yellow crystalline powder
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)15.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1961
Nitrogen Atoms3

Recommended Standards

Why CATO?