3-(4-Bromophenyl)-1-(4-chlorophenyl)-1H-pyrazole-4-carbaldehyde CAS 618098-49-0

Purity 97%+In StockPharmaceutical Standards
CAS No.618098-49-0
Molecular FormulaC16H10BrClN2O
Molecular Weight361.62 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3-(4-Bromophenyl)-1-(4-chlorophenyl)-1H-pyrazole-4-carbaldehyde CAS 618098-49-0 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 361.62 g/mol gives 3-(4-Bromophenyl)-1-(4-chlorophenyl)-1H-pyrazole-4-carbaldehyde distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

3-(4-Bromophenyl)-1-(4-chlorophenyl)-1H-pyrazole-4-carbaldehyde (CAS 618098-49-0), molecular formula C16H10BrClN2O and molecular weight 361.62 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C16H10BrClN2O, 3-(4-Bromophenyl)-1-(4-chlorophenyl)-1H-pyrazole-4-carbaldehyde contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine/bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 361.62 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).

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.

As a certified reference material (CRM), 3-(4-Bromophenyl)-1-(4-chlorophenyl)-1H-pyrazole-4-carbaldehyde 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 FormulaC16H10BrClN2O
Molecular Weight361.62 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor, low volatility)
Purity97%+
StorageStore at 2-8°C, 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)12.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1985
Halogen ContentCl/Br-containing
Nitrogen Atoms2

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