4,5-Di-p-tolyl-1h-imidazole-2-thiol CAS 73181-95-0

Purity 97%+In StockPharmaceutical Standards
CAS No.73181-95-0
Molecular FormulaC17H16N2S
Molecular Weight280.39 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4,5-Di-p-tolyl-1h-imidazole-2-thiol CAS 73181-95-0 chemical structure

Description

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.

4,5-Di-p-tolyl-1h-imidazole-2-thiol (CAS 73181-95-0), molecular formula C17H16N2S and molecular weight 280.39 g/mol, is a CATO reference standard with documented purity and traceability.

4,5-Di-p-tolyl-1h-imidazole-2-thiol (C17H16N2S) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality. Its high carbon-to-hydrogen ratio confers good lipid solubility; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

CATO manufactures 4,5-Di-p-tolyl-1h-imidazole-2-thiol 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 FormulaC17H16N2S
Molecular Weight280.39 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)11.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1977
Nitrogen Atoms2
Sulfur Atoms1

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