Surrogate Standard Back Catalog number: 92525 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended H953300 rac all-trans 4-Hydroxy Retinoic Acid, 1mg Price on request 40059 EPA Method 645 Analytes Price on request 1634.10-10MG Cimetidine (free base), neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 51481-61-9 Price on request