4-(4-Oxo-2-thioxo-1,2-dihydroquinazolin-3(4H)-yl)benzenesulfonic acid CAS 34330-07-9

Purity 97%+In StockPharmaceutical Standards
CAS No.34330-07-9
Molecular FormulaC14H10N2O4S2
Molecular Weight334.37 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-(4-Oxo-2-thioxo-1,2-dihydroquinazolin-3(4H)-yl)benzenesulfonic acid CAS 34330-07-9 chemical structure

Description

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

4-(4-Oxo-2-thioxo-1,2-dihydroquinazolin-3(4H)-yl)benzenesulfonic acid (CAS 34330-07-9) is a high-purity analytical reference standard with the molecular formula C14H10N2O4S2 and a molecular weight of 334.37 g/mol.

Based on its molecular formula C14H10N2O4S2, 4-(4-Oxo-2-thioxo-1,2-dihydroquinazolin-3(4H)-yl)benzenesulfonic acid contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 334.37 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).

CATO manufactures 4-(4-Oxo-2-thioxo-1,2-dihydroquinazolin-3(4H)-yl)benzenesulfonic acid 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 FormulaC14H10N2O4S2
Molecular Weight334.37 g/mol
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)11.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1966
Nitrogen Atoms2
Sulfur Atoms2

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