Method 616 Standard Back Catalog number: 19200 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 678663 S-Metolachlor Metabolite CGA 37735, 100mg Price on request 676229 Fenthion, 100 µg/ml, Acetone, 1ml Price on request 79148 4,4’-DDD Price on request