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Document set current to 30 July 2026
Defined term · Analytical chemistry

In-use period

The time a reconstituted preparation may be stored and used, supported by stability-indicating data on that presentation. The Institute publishes no in-use claim for any research-supply presentation…

Document identifier
CEI-GT-162
Series
Defined term
Version
1.0
Published
30 Jul 2026
Last reviewed
30 Jul 2026
Certainty
Not rated

§1In-use period

§1.1Also known as

Beyond-use date

§1.2Category

Analytical chemistry — Terms describing the determination of identity, purity, content and quality.

§1.3Related terms

  • Stability-indicating — A property of a method that separates the intact compound from its degradation products, demonstrated by forced-degradation study. A purity method that is not…
  • Freeze–thaw — Repeated freezing and thawing of a solution. Concentrates solutes in the shrinking liquid fraction, drives pH excursion as buffer components crystallise differentially…
Compound Evidence Institute · CEI-GT-162 · https://compoundevidence.com/glossary/in-use-period/ · retrieved 30 July 2026
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