Notices Requesting Feedback

Bacterial Endotoxins Test (BET): USP Requests Additional Data for the Comparability of Recombinant Reagents to Compendial Reagents (posted 11–Jun–2021)
<1xxx> Supplier Qualifications General Chapter Prospectus (posted 26–Mar–2021; input deadline 25–Apr–2021)
<1xxx> Solid-state NMR Spectroscopy–Theory and Practice General Chapter Prospectus (posted 26–Feb–2021; input deadline 28–Mar–2021)
<313> Molecular Weight and Polymer Chain Length Determination for Polypropylene Glycol Fatty Ethers General Chapter Prospectus (posted 29–Jan–2021; input deadline 28–Feb–2021)
<314> Molecular Weight Determination for Copolymers Containing Alkyl Methacrylate or Alkyl Acrylate General Chapter Prospectus (posted 29–Jan–2021; input deadline 28–Feb–2021)
<567> Analysis of Contaminant Pyrrolizidine Alkaloids (PAs) General Chapter Prospectus (posted 25–Sep–2020; input deadline 30–Oct–2020)
<1002> Filters and Membranes General Chapter Propectus (posted 26–Mar–2021; input deadline 25–Apr–2021)
<1085.1> Use of Recombinant Reagents in the Bacterial Endotoxins Test: Comments Received from Stakeholders (posted 18–Nov–2020; updated 11–Dec–2020)
<1331> Calibration and Verification of Volumetric Apparatus General Chapter Prospectus (posted 26–Feb–2021; input deadline 28–Mar–2021)
<1901>Theory and Practice of Asbestos Detection in Pharmaceutical Talc General Chapter Prospectus (posted 30–Apr–2021)
<901> Detection of Asbestos in Pharmaceutical Talc General Chapter Prospectus (posted 30–Apr–2021)
Azeotropic Isopropyl Alcohol Notice of Intent to Revise (posted 30–Apr–2021)
Deferred Proposal: General Notices and Requirements, 5.60.40 Impurities that are Unusually Toxic and/or Mutagenic (posted 30–Sep–2020)
First Draft of Roadmap for Addressing Element-Specific Chapters and Tests in Excipient Monographs (posted 05–Aug–2020)
Isopropyl Alcohol Notice of Intent to Revise (posted 30–Apr–2021)
Modification to USP–NF 2021, Issue 2 Revisions, Deferrals, and Cancellations Lists (posted 29–Jan–2021)
New Inhalation Product Monographs: Proposed Approach for Performance Tests using Non-standard Apparatus (posted 28–Aug–2020; comment deadline 30–Nov–2020)
Update: Guidance on the Use of Recombinant Reagents for Bacterial Endotoxin Test (posted 28–Aug–2020)
Update: Reporting Thresholds in USP–NF Monographs (posted 12–Oct–2020)