CLP Semi-Volatile - Low Conc Mix #1 Back Catalog number: 20055 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 12002.34-K-IO Di-n-ditridecyl phthalate,1000 µg/mL,isooctane,1mL, Price on request 677300 Caffeine, 250mg Price on request 0768.16-500-IO 3,6-Dimethylphenanthrene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1576-67-6 Price on request