Etelcalcetide Impurity 25 X TFA Salt CAS CATO-C4X-324725

Description

Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including Etelcalcetide Impurity 25 X TFA Salt.

CATO supplies Etelcalcetide Impurity 25 X TFA Salt (CAS CATO-C4X-324725), a pharmacopoeial impurity reference standard (molecular formula C68H130N38O17S2, MW 1816.13 g/mol) used for the identification and quantification of trace impurities in APIs.

Based on its molecular formula C68H130N38O17S2, Etelcalcetide Impurity 25 X TFA Salt contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 1816.13 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).

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.

As a certified reference material (CRM), Etelcalcetide Impurity 25 X TFA 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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