Critical review on establishment and availability of impurity and degradation product reference standards, challenges faced by the users, recent developments, and …

DK Singh, A Sahu, S Kumar, S Singh - TrAC Trends in Analytical Chemistry, 2018 - Elsevier
The reference standards of impurities (IMPs) and degradation products (DPs) are required
by pharmaceutical industry and quality testing laboratories the world over to comply with …

Mechanochemical Oxidative Degradation of Thienopyridine Containing Drugs: Toward a Simple Tool for the Prediction of Drug Stability

EF Krake, L Backer, B Andres, W Baumann… - ACS Central …, 2023 - ACS Publications
The long-term stability of an active-pharmaceutical ingredient and its drug products plays an
important role in the licensing process of new pharmaceuticals and for the application of the …

Study of degradation behaviour of montelukast sodium and its marketed formulation in oxidative and accelerated test conditions and prediction of physicochemical …

SK Tiwari, DK Singh, MK Ladumor… - … of Pharmaceutical and …, 2018 - Elsevier
Study of oxidative stability of pharmaceutical actives and formulations is important as
oxidation pathway is the second most significant route for the decay of pharmaceuticals …

Overview on Development and Validation of Force degradation studies with Stability Indicating Methods.

K Chandramore, S Sonawane - … Biotechnology Research Asia, 2022 - biotech-asia.org
This article provides an overview on Development and Validation of Force degradation
study with Stability Indicating Methods (SIMs) for drug substances. Different stress conditions …

Stability behaviour of antiretroviral drugs and their combinations. 10: LC-HRMS, LC-MSn, LC-NMR and NMR characterization of fosamprenavir degradation products …

DK Singh, A Sahu, AA Wani, PV Bharatam… - European Journal of …, 2019 - Elsevier
The present study focused upon the forced degradation behaviour of fosamprenavir (FPV),
an antiretroviral drug. A total of six degradation products (DPs) were separated on a non …

Characterization of stress degradation products of amodiaquine dihydrochloride by liquid chromatography with high‐resolution mass spectrometry and prediction of …

V Dhiman, DK Singh, MK Ladumor… - Journal of separation …, 2017 - Wiley Online Library
The degradation behavior of amodiaquine dihydrochloride, an antimalarial drug, was
investigated in solution as well as solid states. The drug was subjected to hydrolytic …

Implementation of design of experiments for optimization of forced degradation conditions and development of a stability‐indicating high‐performance liquid …

J Davoodi, S Majidi, M Jahani… - Journal of …, 2021 - Wiley Online Library
Sepiwhite is a novel anti‐pigmenting agent that is derived from fatty acid and phenylalanine
and used for hyperpigmentation induced by light exposure or inflammation. In this study, a …

Insights into the degradation chemistry of tazarotene, a third generation acetylenic retinoid: LC-HRMS (Orbitrap), LC-MSn and NMR characterization of its degradation …

DK Singh, A Sahu, A Balhara, S Giri, S Singh - Journal of Pharmaceutical …, 2020 - Elsevier
Tazarotene is a prodrug that belongs to the acetylenic class of retinoids. The drug was
subjected to hydrolytic, oxidative and photolytic stress testing to establish its comprehensive …

Potential degradation products of abemaciclib: Identification and structural characterization employing LC-Q/TOF-MS and NMR including mechanistic explanation

N Kathar, N Rajput, T Jadav, P Sengupta - Journal of Pharmaceutical and …, 2024 - Elsevier
Degradation products are the potential drug impurities that can be generated during
transport and storage of pharmaceuticals. Before this study, degradation chemistry and …

Identification, characterization, and high‐performance liquid chromatography quantification of process‐related impurities in vonoprazan fumarate

L Liu, N Cao, X Ma, K Xiong, L Sun… - Journal of Separation …, 2016 - Wiley Online Library
High‐performance liquid chromatography analysis of vonoprazan fumarate, a novel proton
pump inhibitor drug revealed six impurities. These were identified by liquid chromatography …