EPA Method 1666 Standard #1 Back Catalog number: 82449 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8467.4 Anthon, , Solvent-, Unit , # of units-, Cas.no. Price on request M294540 3-Methylcrotonyl Glycine, 50mg Price on request C13407000 Febantel, certified, 0.1g Price on request