Scientific Support

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Reference Standards

Questions on the use, storage, testing, and other technical issues
Donation of bulk materials and participating in collaborative testing, and USP Donor Recognition Program

Use and storage guidelines

Reference Standards frequently asked questions

MSDS and USP Certificates

Download copies of USP's ISO Certificates


AtoZ Reference Standards Index

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Questions and comments, interpretation, applications, and proposed revisions for USP–NF monographs and general chapters

Submitting draft monographs or questions about submission process

  • Small Molecules (Chemical Medicines): Jon Clark, Vice President, Chemical Medicines,; +1-240-221-2099
  • Excipients: Catherine Sheehan, Senior Director, Excipients,; +1-301-816-8262
  • Biologics & Biotechnology: Tina S. Morris, Vice President, Biologics & Biotechnology,; +1-301-816-8397

USP–NF frequently asked questions

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Food Ingredients

Questions about standards for food ingredients and the Food Chemicals Codex
FCC frequently asked questions:

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Dietary Supplements

Questions about standards for dietary supplements and the USP Dietary Supplements Compendium

Questions about USP Verification Services and the USP Verified Mark

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