Rifampin Capsules, USP, 150 mg, 30-count bottle, Rx only, Distributed by: Akorn Operating Company, LLC, Gurnee, IL 60031, NDC 61748-015-30
Failed impurities/degradation specifications: Finished product exceeds the 5 ppm interim limit for 1-Methyl-4-Nitrosopoperazine (MNP).
USA Nationwide and Puerto Rico
https://www.accessdata.fda.gov/scripts/ires/index.cfm?Product=D-1547-2022