Comparison of Approaches to Determining N-Nitrosodimethylamine Impurity in Valsartan Drug Substance By GC-MS Methods


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Abstract

Methods for determining the genotoxic impurity N-nitrosodimethylamine (NDMA) in valsartan drug substance by gas chromatography (GC) with mass-spectrometric detection in SIM and MRM modes using direct introduction and vapor-phase analysis are compared. The obtained LOQ and DL differed insignificantly. The test results led to the conclusion that use of a method corresponding to the capabilities and equipment of the laboratory was advisable.

About the authors

M. D. Khorol’skii

I. M. Sechenov First Moscow State Medical University (Sechenov University); Scientific Center for Expert Evaluation of Medicinal Products, Ministry of Health of the Russian Federation

Author for correspondence.
Email: mkhorolski@gmail.com
Russian Federation, 8/2 Trubetskaya St, Moscow, 119991; 8/2 Petrovskii Blvd, Moscow, 127051

O. V. Anan’ina

Scientific Center for Expert Evaluation of Medicinal Products, Ministry of Health of the Russian Federation

Email: mkhorolski@gmail.com
Russian Federation, 8/2 Petrovskii Blvd, Moscow, 127051

A. A. Chaplenko

Scientific Center for Expert Evaluation of Medicinal Products, Ministry of Health of the Russian Federation

Email: mkhorolski@gmail.com
Russian Federation, 8/2 Petrovskii Blvd, Moscow, 127051

I. V. Nedkov

Scientific Center for Expert Evaluation of Medicinal Products, Ministry of Health of the Russian Federation

Email: mkhorolski@gmail.com
Russian Federation, 8/2 Petrovskii Blvd, Moscow, 127051

N. V. Maslennikova

Scientific Center for Expert Evaluation of Medicinal Products, Ministry of Health of the Russian Federation

Email: mkhorolski@gmail.com
Russian Federation, 8/2 Petrovskii Blvd, Moscow, 127051

G. V. Ramenskaya

I. M. Sechenov First Moscow State Medical University (Sechenov University)

Email: mkhorolski@gmail.com
Russian Federation, 8/2 Trubetskaya St, Moscow, 119991


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