Rifampin Capsules, USP, 150 mg, 30-count bottle, Rx only, Manufactured by Patheon Pharmaceuticals Inc., OH, Packaged by GSMS, Incorporated, CA, NDC 51407-322-30
Failed impurities/degradation specifications: Finished product exceeds the 5 ppm interim limit for 1-Methyl-4-Nitrosopoperazine (MNP).
USA nationwide
https://www.accessdata.fda.gov/scripts/ires/index.cfm?Product=D-0012-2023