EPA Method 551.1 Internal Standard Back Catalog number: 30103 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 679658 N-Acetylthiazolidine-4-carboxylic acid, 100mg Price on request 1160.40-10MG n-Tetracontane, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 4181-95-7 Price on request 2240.17-5MG 3-Acetyldeoxynivalenol, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 50722-38-8 Price on request