Total Phenolics Back Catalog number: 54136 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 22113 Purgeable Internal Standard Price on request 0887.13-500-IO 4-Methyldibenzothiophene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 7372-88-5 Price on request 682464 2,5-Hexanedione, 1000mg Price on request