3,5-Bis(3-bromophenyl)-4-chloro-1h-pyrazole CAS 1159988-52-9

Purity 97%+In StockPharmaceutical Standards
CAS No.1159988-52-9
Molecular FormulaC15H9Br2ClN2
Molecular Weight412.51 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3,5-Bis(3-bromophenyl)-4-chloro-1h-pyrazole CAS 1159988-52-9 chemical structure

Description

The occurrence of 3,5-Bis(3-bromophenyl)-4-chloro-1h-pyrazole is closely related to a nitrogen-containing heterocyclic scaffold, a nitrile group, chlorine/bromine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

CATO supplies 3,5-Bis(3-bromophenyl)-4-chloro-1h-pyrazole (CAS 1159988-52-9), a certified reference material (molecular formula C15H9Br2ClN2, MW 412.51 g/mol) for analytical method development and quality control.

Based on its molecular formula C15H9Br2ClN2, 3,5-Bis(3-bromophenyl)-4-chloro-1h-pyrazole contains a nitrogen-containing heterocyclic scaffold, a nitrile group, chlorine/bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 412.51 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

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), 3,5-Bis(3-bromophenyl)-4-chloro-1h-pyrazole 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 FormulaC15H9Br2ClN2
Molecular Weight412.51 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)11.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1989
Halogen ContentCl/Br-containing
Nitrogen Atoms2

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