3,5-Bis(3-bromophenyl)-4-phenyl-4H-1,2,4-triazole CAS 1198843-27-4

Purity 97%+In StockPharmaceutical Standards
CAS No.1198843-27-4
Molecular FormulaC20H13Br2N3
Molecular Weight455.15 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3,5-Bis(3-bromophenyl)-4-phenyl-4H-1,2,4-triazole CAS 1198843-27-4 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 455.15 g/mol gives 3,5-Bis(3-bromophenyl)-4-phenyl-4H-1,2,4-triazole distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

3,5-Bis(3-bromophenyl)-4-phenyl-4H-1,2,4-triazole (CAS 1198843-27-4) is a high-purity analytical reference standard with the molecular formula C20H13Br2N3 and a molecular weight of 455.15 g/mol.

Structurally, 3,5-Bis(3-bromophenyl)-4-phenyl-4H-1,2,4-triazole (C20H13Br2N3) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 15.0, corresponding to approximately 15 ring(s) or double-bond equivalent(s). With a molecular weight of 455.15 g/mol, it falls into the moderately-high-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.

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.

CATO manufactures 3,5-Bis(3-bromophenyl)-4-phenyl-4H-1,2,4-triazole under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

Physical & Chemical Properties

Molecular FormulaC20H13Br2N3
Molecular Weight455.15 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor, low volatility)
Purity97%+
StorageStore at room temperature, protect from light
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)15.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1989
Halogen ContentBr-containing
Nitrogen Atoms3

Related Bis Standards

Recommended Standards

Why CATO?