Isotonitazene, 1000µg/ml in Acetonitrile, 1ml Back Catalog number: 14118.23-K-AN Manufacturer: CHIRON AS Availability: In the manufacturer's stock Price on request - + Recommended 1574.17-K-ME Morphine monohydrate, 1000µg/ml in MeOH, 1ml Price on request 11863.24-100-ME Valeryl fentanyl hydrochloride Price on request C183480 Carfentanil, 5mg Price on request