Fentanyl Citrate Inj., USP, CII, 250 mcg/5 mL (50 mcg/mL) (0.05 mg/mL) 25 x 5 mL Single Dose Vials, For Intravenous or Intramuscular Use, Preservative Free, Rx Only, Manufactured by: West-Ward Pharmaceuticals, Eatontown, NJ 07724, NDC 0641-6028-25.
Failed Impurities/Degradation Specifications; 12 month stability testing.
Nationwide
https://www.accessdata.fda.gov/scripts/ires/index.cfm?Product=D-0420-2015