3-(3-Methylisoxazol-5-yl)-2-propylquinazolin-4(3H)-one CAS 90059-38-4

Purity 97%+In StockPharmaceutical Standards
CAS No.90059-38-4
Molecular FormulaC15H15N3O2
Molecular Weight269.30 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3-(3-Methylisoxazol-5-yl)-2-propylquinazolin-4(3H)-one CAS 90059-38-4 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 269.30 g/mol gives 3-(3-Methylisoxazol-5-yl)-2-propylquinazolin-4(3H)-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

3-(3-Methylisoxazol-5-yl)-2-propylquinazolin-4(3H)-one (CAS 90059-38-4) is a high-purity analytical reference standard with the molecular formula C15H15N3O2 and a molecular weight of 269.30 g/mol.

Based on its molecular formula C15H15N3O2, 3-(3-Methylisoxazol-5-yl)-2-propylquinazolin-4(3H)-one contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 269.30 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), 3-(3-Methylisoxazol-5-yl)-2-propylquinazolin-4(3H)-one 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 FormulaC15H15N3O2
Molecular Weight269.30 g/mol
AppearancePale yellow to yellow crystalline powder
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
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
Degree of Unsaturation (DBE)10.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1982
Nitrogen Atoms3

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