NDC11 42291050901

This exact 11-digit normalized identifier can correspond to more than one FDA hyphenation. FDA.report preserves the exact identifier and exposes every structurally valid candidate without guessing.

Possible FDA NDC forms#

Package NDC, Product root table
Package NDC	Product root
42291-0509-01	42291-0509
42291-0509-1	42291-0509
42291-509-01	42291-509

NDC auxiliary status#

These records are reproduced from FDA’s unfinished, excluded, and compounder listings. They describe what appeared in the source files; a missing record does not establish a regulatory status. View all current auxiliary records, including entries without an NDC. · View the auxiliary file history.

Current NDC status page 1 of 1 · 1 matching rows.

Dataset, Scope, Product NDC table
Dataset	Scope	Product NDC	Package NDC	Code	Status	Reporting period	Source date
excluded package	package	42291-509	42291-509-01	D	Discontinued by firm		2026-10-16

openFDA label cross-check#

OpenFDA label data provides additional search and identifier links. DailyMed’s Structured Product Label is the canonical label on FDA.report. Matching records are deduplicated before they are shown below.

Matched openFDA labels page 1 of 1 · 1 matching rows.

Brand, Generic, Manufacturer table
Brand	Generic	Manufacturer	SPL set ID	Effective date	Available safety fields	Join
Primidone	PRIMIDONE	AvKARE	e7a50a67-9653-463e-8c85-315b53f460c8	2026-05-13	Warnings, Adverse reactions	Exact identifier ndc (package): 42291-509-01 ndc (product): 42291-509 ndc11 (package): 42291050901

Reported adverse events (FAERS/openFDA)#

Adverse event summaries are temporarily unavailable. Other product information remains available.