Leibovitz's L-15 Medium, powder - FAQs

We do provide osmolality information on the certificate of analysis. All lots of Leibovitz's L-15 Medium will meet the osmolality specification of 300-340 mOsm/kg.

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Expiration date of most Gibco reconstituted dry format media (AGT or DPM) has not been established; end users should assess performance and stability of this reconstituted media in a system that is relevant to their process. A dry format product (either DPM or AGT) will age upon storage and while we may not be able to detect which component(s) degrade since we can't measure every component, that doesn't mean that the reconstituted liquid will have the same stability as a fresh liquid made by direct weigh methods.

Find additional tips, troubleshooting help, and resources within our Cell Culture Support Center.