5-(Pyridin-4-yl)-1,2,4-oxadiazole CAS 162704-68-9

Purity 97%+In StockPharmaceutical Standards
CAS No.162704-68-9
Molecular FormulaC7H5N3O
Molecular Weight147.13 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

5-(Pyridin-4-yl)-1,2,4-oxadiazole CAS 162704-68-9 chemical structure

Description

The occurrence of 5-(Pyridin-4-yl)-1,2,4-oxadiazole is closely related to an amide group, a hydroxyl group, an ether linkage, an aromatic ring system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

CATO supplies 5-(Pyridin-4-yl)-1,2,4-oxadiazole (CAS 162704-68-9), a certified reference material (molecular formula C7H5N3O, MW 147.13 g/mol) for analytical method development and quality control.

Based on its molecular formula C7H5N3O, 5-(Pyridin-4-yl)-1,2,4-oxadiazole contains an amide group, a hydroxyl group, an ether linkage, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 147.13 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.

As a certified reference material (CRM), 5-(Pyridin-4-yl)-1,2,4-oxadiazole 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 FormulaC7H5N3O
Molecular Weight147.13 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityLight-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)7.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2003
Nitrogen Atoms3

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