Metformin hydrochloride Back Catalog number: 1579.4-10MG Manufacturer: CHIRON AS Availability: 3 weeks Price on request - + Recommended 83526 EPA Method 8330 - Calibration Mix #2 Price on request 96504 cis-Tramadol HCl Price on request 1082.23-K-IO n-Heptadecylbenzene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 14752-75-1 Price on request