2-(tert-Butyl)-7-chloroquinazolin-4(1H)-one CAS 241815-93-0

Purity 97%+In StockPharmaceutical Standards
CAS No.241815-93-0
Molecular FormulaC12H13ClN2O
Molecular Weight236.70 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2-(tert-Butyl)-7-chloroquinazolin-4(1H)-one CAS 241815-93-0 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 236.70 g/mol gives 2-(tert-Butyl)-7-chloroquinazolin-4(1H)-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

2-(tert-Butyl)-7-chloroquinazolin-4(1H)-one (CAS 241815-93-0) is a high-purity analytical reference standard with the molecular formula C12H13ClN2O and a molecular weight of 236.70 g/mol.

Based on its molecular formula C12H13ClN2O, 2-(tert-Butyl)-7-chloroquinazolin-4(1H)-one 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 236.70 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.

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.

The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.

Physical & Chemical Properties

Molecular FormulaC12H13ClN2O
Molecular Weight236.70 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light, 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
Degree of Unsaturation (DBE)7.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Halogen ContentCl-containing
Nitrogen Atoms2

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