9H-Thioxanthen-9-one 10,10-dioxide CAS 3166-15-2

Purity 97%+In StockPharmaceutical Standards
CAS No.3166-15-2
Molecular FormulaC13H8O3S
Molecular Weight244.27 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

9H-Thioxanthen-9-one 10,10-dioxide CAS 3166-15-2 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.

9H-Thioxanthen-9-one 10,10-dioxide (CAS 3166-15-2), molecular formula C13H8O3S and molecular weight 244.27 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C13H8O3S, 9H-Thioxanthen-9-one 10,10-dioxide contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 244.27 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 9H-Thioxanthen-9-one 10,10-dioxide 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 FormulaC13H8O3S
Molecular Weight244.27 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate, DMSO
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.)1957
Sulfur Atoms1

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