3-(2,4-Dichloro-5-fluorophenyl)-1-phenyl-1H-pyrazole-4-carbaldehyde CAS 618098-87-6

Purity 97%+In StockPharmaceutical Standards
CAS No.618098-87-6
Molecular FormulaC16H9Cl2FN2O
Molecular Weight335.16 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3-(2,4-Dichloro-5-fluorophenyl)-1-phenyl-1H-pyrazole-4-carbaldehyde CAS 618098-87-6 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 335.16 g/mol gives 3-(2,4-Dichloro-5-fluorophenyl)-1-phenyl-1H-pyrazole-4-carbaldehyde distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

3-(2,4-Dichloro-5-fluorophenyl)-1-phenyl-1H-pyrazole-4-carbaldehyde (CAS 618098-87-6) is a high-purity analytical reference standard with the molecular formula C16H9Cl2FN2O and a molecular weight of 335.16 g/mol.

Structurally, 3-(2,4-Dichloro-5-fluorophenyl)-1-phenyl-1H-pyrazole-4-carbaldehyde (C16H9Cl2FN2O) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 335.16 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.

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-(2,4-Dichloro-5-fluorophenyl)-1-phenyl-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 FormulaC16H9Cl2FN2O
Molecular Weight335.16 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 ContentF/Cl-containing
Nitrogen Atoms2

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