Invenza Research

Almotriptan EP Impurity E (Malate salt) (CAS No. 1189348-94-4), chemically known as N,N-Dimethyl-2-[5-[(pyrrolidine-1-sulfonyl)methyl]-1H-indol-3-yl]ethan-1-amine N-oxide 2-hydroxysuccinate (as per EP), is a well-characterized pharmaceutical impurity reference standard associated with Almotriptan. It is widely used by pharmaceutical research laboratories, analytical scientists, contract research organizations (CROs), and quality control laboratories to support impurity identification, chromatographic method development, analytical method validation, and stability studies.

This reference standard plays an important role in ensuring accurate impurity profiling during the development and quality assessment of Almotriptan-based pharmaceutical products. It is suitable for use in analytical techniques such as HPLC, LC-MS, UPLC, and other validated chromatographic methods where reliable impurity characterization is required.

Almotriptan EP Impurity E (Malate salt) has the molecular formula C17H25N3O3S : C4H6O5 and a molecular weight of 351.5 : 134.1 g/mol. It is also known by the chemical name N,N-Dimethyl-2-[5-[(pyrrolidine-1-sulfonyl)methyl]-1H-indol-3-yl]ethan-1-amine N-oxide 2-hydroxysuccinate (as per EP) and is identified by CAS No. 1189348-94-4.

Researchers and analytical laboratories utilize this impurity reference standard during pharmaceutical development, quality control testing, method transfer, and regulatory compliance activities. Its use helps support the characterization and monitoring of related substances throughout the product lifecycle.