CFR section

21 CFR 211.166(c)(1): Stability testing

PART 211-CURRENT GOOD MANUFACTURING PRACTICE FOR FINISHED PHARMACEUTICALS · Subpart I-Laboratory Controls

Key facts

Citation 21 CFR 211.166(c)(1)
Section Stability testing
Part PART 211-CURRENT GOOD MANUFACTURING PRACTICE FOR FINISHED PHARMACEUTICALS
Subpart Subpart I-Laboratory Controls
Subchapter 21 CFR C Drugs General
Product types cited Drugs, Food/Cosmetics
Regulation text (excerpt) (1) There shall be a written assessment of stability based at least on testing or examination of the drug product for compatibility of the ingredients, and based on marketing experience with the drug product to indicate that there is no degradation of the product for the normal or expected period of use.

At a glance

  • 10–99 Inspections citing this section
  • 1–9 Warning letters citing this section

Counts are shown as ranges. Exact figures, trends and every underlying record are available in Orca1.

About CFR sections cited by the FDA

Title 21 of the Code of Federal Regulations contains the FDA's regulations, including current good manufacturing practice and quality system requirements that inspections cite.

Source: U.S. Code of Federal Regulations (eCFR); citation statistics from FDA inspection and warning-letter data

Browse all CFR sections cited by the FDA