3-(1,1-Dioxido-2H-1,2,4-benzothiadiazin-3-yl)-4-hydroxy-1-methyl-2(1H)-quinolinone 303776-75-2 CAS 303776-75-2

Purity 97%+In StockPharmaceutical Standards
CAS No.303776-75-2
Molecular FormulaC17H13N3O4S
Molecular Weight355.37 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3-(1,1-Dioxido-2H-1,2,4-benzothiadiazin-3-yl)-4-hydroxy-1-methyl-2(1H)-quinolinone 303776-75-2 CAS 303776-75-2 chemical structure

Description

High-purity 3-(1,1-Dioxido-2H-1,2,4-benzothiadiazin-3-yl)-4-hydroxy-1-methyl-2(1H)-quinolinone 303776-75-2 (CAS 303776-75-2) pharmaceutical standards reference standard. Molecular formula: C17H13N3O4S. Molecular weight: 355.37 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.

Physical & Chemical Properties

Molecular FormulaC17H13N3O4S
Molecular Weight355.37 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)13.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Nitrogen Atoms3
Sulfur Atoms1

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