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 10148.21-100-AN Heroin-13C4 (free base) Price on request 11495.17-K-ME 25I-NBOH hydrochloride Price on request 10162.29-100-ME Buprenorfine-d4 HCl, 100µg/ml in MeOH, 1ml Price on request