Tramadol-13C,d3 HCl, 100µg/ml in MeOH, 1ml Back Catalog number: 10940.15-100-ME Manufacturer: CHIRON AS Availability: In the manufacturer's stock Price on request - + Recommended 3337.12-100-AN Chlorfenson Price on request 98860 Formaldehyde-DNPH Level 3 (1.0ug/mL) Price on request 10976.6-K-AN o-Toluidine-d9,1000 µg/mL,acetonitrile,1mL, Price on request