EPA Method 515.2Methyl Derivatives Back Catalog number: 30074 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10157.4-100MG Sodium DL-3-hydroxybutyrate, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 150-83-4 Price on request 2101.20-10MG Di-n-hexyl phthalate, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 84-75-3 Price on request X9034 Benzyl butyl phthalate Price on request