Norfentanyl, 1000µg/ml in MeOH, 1ml Back Catalog number: 11859.14-K-ME Manufacturer: CHIRON AS Availability: In the manufacturer's stock Price on request - + Recommended 9184.22-100-ME Fentanyl-d5, 100µg/ml in MeOH, 1ml Price on request 9654.12-100-ME Phenobarbital-d5 (ethyl-d5) Price on request 9981.17-K-ME Desomorphine Price on request