EPA Method 608.1 Analytes Back Catalog number: 40005 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1843.13-100MG 4-n-Hexylbenzoic acid, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 21643-490-6 Price on request 8383.6-10K-ME n-Butyl acetate, 10000µg/mL, Solvent-Methanol, Unit 1mL, # of units-1, Cas.no. 123-86-4 Price on request 72854 Pseudoephedrin Price on request