DL-Methionine Back Catalog number: 3440.5-100-CY Manufacturer: CHIRON AS Availability: 3 weeks Price on request - + Recommended 53319 Multi-Element Internal Standard / Price on request 30224 EPA Method 515.1 - Performance Check Solution Price on request 0750.12-K-IO 2,7-Dimethyltetraline, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 13065-07-1 Price on request