1-(4-Bromophenyl)-3,5-dimethyl-1H-pyrazole-4-carbaldehyde CAS 294877-39-7

Purity 97%+In StockPharmaceutical Standards
CAS No.294877-39-7
Molecular FormulaC12H11BrN2O
Molecular Weight279.13 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1-(4-Bromophenyl)-3,5-dimethyl-1H-pyrazole-4-carbaldehyde CAS 294877-39-7 chemical structure

Description

Structurally, 1-(4-Bromophenyl)-3,5-dimethyl-1H-pyrazole-4-carbaldehyde (C12H11BrN2O) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 279.13 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.

1-(4-Bromophenyl)-3,5-dimethyl-1H-pyrazole-4-carbaldehyde (CAS 294877-39-7) is a high-purity analytical reference standard with the molecular formula C12H11BrN2O and a molecular weight of 279.13 g/mol.

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 1-(4-Bromophenyl)-3,5-dimethyl-1H-pyrazole-4-carbaldehyde 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 FormulaC12H11BrN2O
Molecular Weight279.13 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)8.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Halogen ContentBr-containing
Nitrogen Atoms2

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