Sayyad Kousrali, Leela Prasad Kowtharapu, Tanmoy Mondal (2024)
Gas chromatography mass spectrometer determination of dimethylamine impurity in N,N‐dimethylformamide solvent by derivatization of N,N‐dimethylbenzamide with benzoyl chloride agent.
Biomedical Chromatography38: .
DOI: 10.1002/bmc.5920
Santosh Bhagwat, Prakash Patil, Ramdas Pawar, Santosh Shinde, Dinesh Amalnerkar, Dnyaneshwar Shinde (2025)
Development and validation of a method for quantitative determination of the genotoxic impurity diethyl sulfate in pitolisant hydrochloride via high-performance liquid chromatography.
RSC Advances15: 16125.
DOI: 10.1039/D5RA01217A
Kousrali Sayyad, Leela Prasad Kowtharapu, Tanmoy Mondal (2024)
Headspace Gas Chromatography–Mass Spectrometry Method for Determination of Class-I Residual Solvents in Several Drug Substances: Method Evaluation by Quality by Design Statistical Tool.
Journal of AOAC International107: 921.
DOI: 10.1093/jaoacint/qsae061
Ramya Chilukuri, Kousrali Sayyad, Leela Prasad Kowtharapu, Sreedhar Gundekari, Mohan Varkolu (2024)
Liquid Chromatography–Mass Spectrometry Method for Determination of N‐Methyl‐N‐Nitrosopyridin‐4‐Amine in a Vonoprazan Fumarate Drug.
SEPARATION SCIENCE PLUS7: .
DOI: 10.1002/sscp.202400118
Sayyad Kousrali, Leela Prasad Kowtharapu, Tanmoy Mondal (2024)
Analytical determination of ethylenediamine impurity in tripelennamine hydrochloride by gas chromatography–mass spectrometry using phthalaldehyde as the derivatizing agent.
Biomedical Chromatography38: .
DOI: 10.1002/bmc.5850
Yerramreddy Srilatha, Kousrali Sayyad, Leela Prasad Kowtharapu, Magapu Ravi Kumar, N. Ramakrishna Reddy, Loka Subramanyam Sarma (2025)
Green liquid chromatography mass spectrometry method for determination of n-methyl-n-benzylnitrosamine (carcinogenic impurity) in lacosamide drug substance by advance metrics.
Microchemical Journal212: 113175.
DOI: 10.1016/j.microc.2025.113175
RAJAVENKATA PRASAD PATHA RAJAVENKATA PRASAD PATHA, KARUNAKAR DASA KARUNAKAR DASA, RAMA DEVI BHOOMIREDDY RAMA DEVI BHOOMIREDDY, RAVI KIRAN PANCHAKARLA RAVI KIRAN PANCHAKARLA, RAJ KUMAR KOKKONDA RAJ KUMAR KOKKONDA (2025)
TRACE LEVEL QUANTIFICATION OF C1-C3 ALKYL CHLORIDE GENOTOXIC IMPURITIES IN TRIMETAZIDINE DI HYDROCHLORIDE DRUG SUBSTANCE USING STATIC HEADSPACE GAS CHROMATOGRAPHY.
Asian Journal of Pharmaceutical and Clinical Research
: 99.
DOI: 10.22159/ajpcr.2025v18i3.53750
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