4-Chloro-5-(((4-methoxyphenyl)thio)methyl)isoxazol-3(2H)-one CAS 89661-16-5

Purity 97%+In StockPharmaceutical Standards
CAS No.89661-16-5
Molecular FormulaC11H10ClNO3S
Molecular Weight271.72 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-Chloro-5-(((4-methoxyphenyl)thio)methyl)isoxazol-3(2H)-one CAS 89661-16-5 chemical structure

Description

The occurrence of 4-Chloro-5-(((4-methoxyphenyl)thio)methyl)isoxazol-3(2H)-one is closely related to a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

4-Chloro-5-(((4-methoxyphenyl)thio)methyl)isoxazol-3(2H)-one (CAS 89661-16-5) is a high-purity analytical reference standard with the molecular formula C11H10ClNO3S and a molecular weight of 271.72 g/mol.

Based on its molecular formula C11H10ClNO3S, 4-Chloro-5-(((4-methoxyphenyl)thio)methyl)isoxazol-3(2H)-one contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 271.72 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.

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

CATO manufactures 4-Chloro-5-(((4-methoxyphenyl)thio)methyl)isoxazol-3(2H)-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 FormulaC11H10ClNO3S
Molecular Weight271.72 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in methanol, ethanol, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)7.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1982
Halogen ContentCl-containing
Nitrogen Atoms1
Sulfur Atoms1

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