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About the Confirmatory Testing category -Please read before posting
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1
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757
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March 30, 2025
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N-nitroso Des-ethyl Abemaciclib
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0
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77
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October 12, 2026
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In situ Formation and NNNT increase over time
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6
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358
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October 7, 2026
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How to overcome blank interference at NDBA
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8
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411
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October 3, 2026
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Confirmatory testing - on how many batches?
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6
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386
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October 2, 2026
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Qualitative & Quantitative Analysis of Nitrosamines by FTIR
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8
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424
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September 28, 2026
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Issue Regarding Purchase of N-Nitroso N-Desmethyl Rosuvastatin Reference Standard
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12
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548
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September 26, 2026
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Is Sensitivity really the biggest challenge or is it sample preparation?
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1
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209
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September 24, 2026
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Nitrosamine Analytical Method Development
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4
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309
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September 18, 2026
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EDTA-Related Nitrosamine Impurities: Two Critical Pain Points in Pharma R&D
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8
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830
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September 7, 2026
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A Derivatization Free HPLC–UV Method for Nitrite Quantification in Strongly Matrix-Affected Pharmaceutical Excipients-Pub「
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3
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287
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September 5, 2026
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N-Nitroso Nilotinib
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0
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127
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September 2, 2026
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Establishing a Robust High Performance Liquid Chromatography−Ultraviolet Detection Technique for Nitrite Quantification in Pharmaceutical Excipients and Active Pharmaceutical Ingredients-Pub
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0
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153
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August 22, 2026
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A Rapid and Sensitive LC–MS/MS Method for Quantification of NDSRI in Melatonin Drug Product via Controlled In Situ Formation-Pub
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0
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153
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August 14, 2026
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N-Nitroso Metamizole Impurity C
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5
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595
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August 11, 2026
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An Analytical Quality by Design-guided method development for the quantification of N-nitroso-fluoxetine to support mitigation strategies for a fluoxetine drug product-Pub
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2
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290
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August 8, 2026
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N Nitroso Tadalfil
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19
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1580
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August 7, 2026
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Nitrosamine Control Strategy for Products within the Scope of ICH S9
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5
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378
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August 7, 2026
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Determination of Trace Nitrosamines in Plastic Pharmaceutical Packaging Materials
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2
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217
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August 4, 2026
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N-Nitroso meglumine
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34
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3212
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August 1, 2026
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N-Nitroso Desmethyl Tramadol - Standard
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3
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302
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July 27, 2026
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Nitrosamines: Mass Spectrometry-Based Analytical Procedures Criterias
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12
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4772
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July 25, 2026
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N-nitrosoproline
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0
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128
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July 20, 2026
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Determining Low PPB Levels of Nitrite in Polymeric Excipients
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2
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440
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July 19, 2026
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Trace-level LC–MS/MS quantification of two nitrosamine impurities formed from terazosin-related impurities in pharmaceutical products and greenness assessment-Pub
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2
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233
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July 15, 2026
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N-nitroso-Furosemide
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4
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812
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July 6, 2026
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N-Nitroso Desethyl Amiodarone in Amiodarone HCl Tablets by LC-MS/MS Metodu
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5
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334
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July 6, 2026
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NDBA interference on Parecoxib testing?
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3
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188
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June 23, 2026
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A Robust and Universal LC–MS/MS Method for Determination of N-Nitrosodimethylamine in Pharmaceuticals Using a C30 Column -Pub
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1
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245
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June 22, 2026
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N-Nitroso Vonoprazan impurity peak area variation observed during drug product analysis by LCMS
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1
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189
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June 8, 2026
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