Baloxavir Marboxil Impurity 219 CAS CATO-C4X-2108219

Purity ≥95%In StockPharmacopoeial Impurity Standards
CAS No.CATO-C4X-2108219
Molecular FormulaC9H20O3S
Molecular Weight208.32 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Baloxavir Marboxil Impurity 219 CAS CATO-C4X-2108219 chemical structure

Description

Based on its molecular formula C9H20O3S, Baloxavir Marboxil Impurity 219 contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 208.32 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry.

Baloxavir Marboxil Impurity 219 (CAS CATO-C4X-2108219) is a certified pharmaceutical impurity reference standard with the molecular formula C9H20O3S and a molecular weight of 208.32 g/mol.

Recommended for quantitative analysis by HPLC, GC, LC-MS/MS, or GC-MS as an external calibration standard; it can also be used for spiked-recovery experiments, LOD/LOQ determination, and LC-MS/MS multiple-reaction-monitoring (MRM) calibration.

The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.

Physical & Chemical Properties

Molecular FormulaC9H20O3S
Molecular Weight208.32 g/mol
Purity≥95%
StorageStore in a cool place (≤25°C), keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO
StabilityHygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)0.0
Sulfur Atoms1

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