Active Ingredient in Zantac ® 75 Acid-Reducer Medication

APPLICATION NOTE 73987 Determination of nitrite in pharmaceuticals Authors: Jingli Hu and Jeffrey Rohrer Thermo Fisher Scientific, Sunnyvale, CA, USA Keywords: Dionex ICS 6000 HPIC system, Dionex IonPac AS19-4µm column, losartan, metformin, ranitidine, diphenhydramine, ADRS 600 suppressor, ion chromatography, n-nitrosamine,…

APPLICATION NOTE 73814 HRAM LC-MS method for the determination of nitrosamine impurities in drugs Authors: Hao Yang, Thermo Fisher Scientific, San Jose, CA, US Jon Bardsley, Thermo Fisher Scientific, Hemel Hempstead, UK Min Du, Thermo Fisher Scientific, Boston, MA, US…

APPLICATION NOTE 73991 LC-MS/MS method for the quantification of 10 nitrosamine impurities in metformin Authors: Varun Khali, Manoj Kushwaha, Dr. Sachin Pandey, Sunil Kumar, Dr. Biswajayee Patra Thermo Fisher Scientific India Private Limited, Mumbai, India Keywords: Nitrosamine, metformin, nitrosamine impurity,…

White paper | 000025 Ion chromatography determination of nitrate and nitrite in ranitidine drug substance and drug products Authors: Dr. Chetan Chavan, Dr. Chanakya Thaker, and Mr. Chetan Chaudhari; Thermo Fisher Scientific, Powai Mumbai, India Keywords: Dionex ICS-6000, n-nitrosamine, NDMA,…