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 10937.18-100-ME Dihydrocodeine-d6 HCl (N-methyl-d3, methoxy-d3) Price on request 10175.13-10MG Ritalinic acid (erythro) Price on request 10046.21-100-ME UR-144 Price on request