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Monographs Affected by the Revision of <531> Thiamine Assay

Type of Posting: Notice of Intent to Revise

Posting Date: 28–Oct–2016

Targeted Official Date: 1–May–2017

Expert Committee: Non-Botanical Dietary Supplements

In accordance with section 7.05(c) of the 2010–2015 Rules and Procedures of the Council of Experts, this is to provide notice that the Non-Botanical Dietary Supplements Expert Committee intends to revise the Thiamine Hydrochloride Tablets monograph in response to the revision of General Chapter <531> Thiamine Assay.

General Chapter <531> was proposed for comment in Pharmacopeial Forum 41(6) [Nov.–Dec. 2015] and will appear in USP 40–NF 35 with an official date of May 1, 2017. The revision of <531> will affect one monograph, Thiamine Hydrochloride Tablets. The associated revisions to the Thiamine Hydrochloride monograph will be appear in USP 40–NF 35 and will be indicated using the revision markup for reference changes.

All modifications will become official on May 1, 2017 to coincide with the revision of General Chapter <531>.

Please also see the Compendial Notice: New Revision Markup for Reference Changes in USP–NF for details on the revision markup used to identify the reference updates.

Interested stakeholders are encouraged to alert USP staff to any other effects they may recognize related to the revision of General Chapter <531>.

Should you have any questions or comments, please contact Huy Dinh, Senior Scientific Liaison ((301) 816-8594 or