Celecoxib Carboxylic Acid Methyl Ester CAS 1189893-75-1

Purity 97%+In StockPharmaceutical Standards
CAS No.1189893-75-1
Molecular FormulaC18H14F3N3O4S
Molecular Weight425.38 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Celecoxib Carboxylic Acid Methyl Ester CAS 1189893-75-1 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 425.38 g/mol gives Celecoxib Carboxylic Acid Methyl Ester distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

CATO supplies Celecoxib Carboxylic Acid Methyl Ester (CAS 1189893-75-1), a certified reference material (molecular formula C18H14F3N3O4S, MW 425.38 g/mol) for analytical method development and quality control.

Based on its molecular formula C18H14F3N3O4S, Celecoxib Carboxylic Acid Methyl Ester contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 425.38 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

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.

CATO manufactures Celecoxib Carboxylic Acid Methyl Ester 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 FormulaC18H14F3N3O4S
Molecular Weight425.38 g/mol
Purity97%+
StorageStore in a cool place (≤25°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; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)12.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1989
Halogen ContentF-containing
Nitrogen Atoms3
Sulfur Atoms1

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