Calibration Standards Set Back Catalog number: 53016 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2534.12-100MG (2RS)-2-(4-n-Propylphenyl)propanoic acid, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 3585-47-5 Price on request 1753.12-100MG Dibenzothiophene sulfone, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 1016-05-3 Price on request 82493 EPA Method 1666Labeled Standard Price on request