Answer
Unopened Monofer 100 mg/ml solution for injection/infusion (ferric derisomaltose) ampoules and vials as packaged for sale both have a shelf life of 3 years.
Sources for this answer
- Monofer 100 mg/ml solution for injection/infusionPharmacosmos UK Limited · emc · SmPC §6.3 Shelf life · Version 20Document updated
Sources checked