Method 200.8/1638/1640 Internal Standard Back Catalog number: 53145 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 678015 Trichlorfon, 100 µg/ml, Toluene, 1ml Price on request 2100.20-100MG Dicyclohexyl phthalate, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 84-61-7 Price on request 2239.15-25-2AN Deoxynivalenol CRM,25 µg/mL,acetonitrile,2mL, Price on request