Demeton-S-methyl, 1000µg/ml in MeOH, 1ml Back Catalog number: 72613 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 19137 EPA Method 507 - Performance Check Solution Price on request S-4382-K-IPX5 EPA 8041A Surrogate Standard S-4382 1mg/mL in isopropanol, 1 mL, 5 x 1mL, 5mL 2,4-Dibromophenol Price on request 677220 4-(3-Indolyl)-butyric acid, 250mg Price on request