Independent register of U.S. FDA drug recalls · updated Oct 10, 2026
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National Drug Code

Is NDC 51079-0881-20 recalled?

Clonazepam Tablets

Yes — this exact package was recalled

1 FDA recall names the code 51079-0881-20 directly. A recall still applies to particular lot numbers — compare the lot on your package with the FDA notice below, and talk to your pharmacist before stopping a prescribed medication.

This code is not in the current FDA NDC directory — usual for a product that has since been discontinued or repackaged. The details below come from the recall notices themselves.

Recalls naming this package

Class III · Low risk

Clonazepam Tablets

Failed Impurities/Degradation Specifications: out of specification result for Clonazepam Related Compound (RC) A (a known impurity) at 15 month timepoint.

Terminated Impurity / degradation Mylan Institutional, Inc. (d.b.a. UDL Laboratories) NDC 51079-881-20 D-0135-2017
Class III · Low risk

Clonazepam Tablets

Failed Impurities/Degradation Specifications: out of specification result for known impurity at 6 month timepoint.

Terminated Impurity / degradation Mylan Institutional, Inc. (d.b.a. UDL Laboratories) D-0650-2016

Where to find this code. The NDC is printed on the pharmacy label and on the manufacturer's carton, usually as three groups of digits after “NDC”. The last group is the package size — two bottles of the same medicine can differ only in that group, and a recall may cover one but not the other.

Other recalled products from this labeler