EPA Method 418.1 - TPH IR Standard Back Catalog number: 98245 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1415.9-1G 2-n-Propylphenol, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 644-35-9 Price on request 10371.8-25MG Valproic acid-d6 Price on request 677798 Adipic acid, 250mg Price on request