5-(4-Chlorophenyl)-1,3,4-oxadiazole-2-carbaldehyde CAS 944897-86-3

Purity 97%+In StockPharmaceutical Standards
CAS No.944897-86-3
Molecular FormulaC9H5ClN2O2
Molecular Weight208.60 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

5-(4-Chlorophenyl)-1,3,4-oxadiazole-2-carbaldehyde CAS 944897-86-3 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 208.60 g/mol gives 5-(4-Chlorophenyl)-1,3,4-oxadiazole-2-carbaldehyde distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

5-(4-Chlorophenyl)-1,3,4-oxadiazole-2-carbaldehyde (CAS 944897-86-3), molecular formula C9H5ClN2O2 and molecular weight 208.60 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C9H5ClN2O2, 5-(4-Chlorophenyl)-1,3,4-oxadiazole-2-carbaldehyde contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 208.60 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.

CATO manufactures 5-(4-Chlorophenyl)-1,3,4-oxadiazole-2-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 FormulaC9H5ClN2O2
Molecular Weight208.60 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor, faint amine-like odor)
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry, 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; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)8.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1987
Halogen ContentCl-containing
Nitrogen Atoms2

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