3-[2-(4-fluorophenyl)ethyl]-2-sulfanyl-3,4-dihydroquinazolin-4-one CAS 568555-79-3

Purity 97%+In StockPharmaceutical Standards
CAS No.568555-79-3
Molecular FormulaC16H13FN2OS
Molecular Weight300.35 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3-[2-(4-fluorophenyl)ethyl]-2-sulfanyl-3,4-dihydroquinazolin-4-one CAS 568555-79-3 chemical structure

Description

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.

3-[2-(4-fluorophenyl)ethyl]-2-sulfanyl-3,4-dihydroquinazolin-4-one (CAS 568555-79-3), molecular formula C16H13FN2OS and molecular weight 300.35 g/mol, is a CATO reference standard with documented purity and traceability.

Owing to a nitrogen-containing heterocyclic scaffold, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, fluorine substitution, 3-[2-(4-fluorophenyl)ethyl]-2-sulfanyl-3,4-dihydroquinazolin-4-one is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 300.35 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

CATO manufactures 3-[2-(4-fluorophenyl)ethyl]-2-sulfanyl-3,4-dihydroquinazolin-4-one 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 FormulaC16H13FN2OS
Molecular Weight300.35 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)11.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1984
Halogen ContentF-containing
Nitrogen Atoms2
Sulfur Atoms1

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