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 10162.29-K-ME Buprenorfine-d4 (cyclopropyl-2,2,3,3-d4) hydrochlo Price on request 10199.23-100-AN JWH-073 N-(4-hydroxybutyl) metabolite Price on request 9977.25-K-ME (4-Methoxyl-1-naphthalenyl)-(1-pentyl-1H-indol-3-y Price on request