Acetylcysteine Impurity 40 xTFA salt CAS 25779-79-7(Free Base)

Description

Compared with other compounds in its class, the molecular weight of 396.35 g/mol gives Acetylcysteine Impurity 40 xTFA salt distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

As a process- or degradation-related impurity, Acetylcysteine Impurity 40 xTFA salt (CAS 25779-79-7(Free Base), C8H14N2O5S2x·C2HF3O2) is essential for impurity profiling, related-substances testing, and forced-degradation studies in pharmaceutical development.

Structurally, Acetylcysteine Impurity 40 xTFA salt (C8H14N2O5S2x·C2HF3O2) contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 3.0, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 396.35 g/mol, it falls into the moderately-high-molecular-weight range. 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 supports related-substances testing and method development in line with ICH Q3A/Q3B guidance on impurity control, and is suitable for system suitability testing and forced-degradation studies.

As a certified reference material (CRM), Acetylcysteine Impurity 40 xTFA salt meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.

Physical & Chemical Properties

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