4-(2-(4-Chloro-1h-pyrazol-1-yl)ethoxy)-3-fluoroaniline CAS 1328640-54-5

Description

Compared with other compounds in its class, the molecular weight of 255.68 g/mol gives 4-(2-(4-Chloro-1h-pyrazol-1-yl)ethoxy)-3-fluoroaniline distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

4-(2-(4-Chloro-1h-pyrazol-1-yl)ethoxy)-3-fluoroaniline (CAS 1328640-54-5), molecular formula C11H11ClFN3O and molecular weight 255.68 g/mol, is a CATO reference standard with documented purity and traceability.

Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution, 4-(2-(4-Chloro-1h-pyrazol-1-yl)ethoxy)-3-fluoroaniline is typically off-white to pale yellow low-melting solid. Its solid-state physicochemical attributes — including a molecular weight of 255.68 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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).

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), 4-(2-(4-Chloro-1h-pyrazol-1-yl)ethoxy)-3-fluoroaniline 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

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