Surrogate Standard Back Catalog number: 98775 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0159.15-500-IO 2,3,7-/2,3,8-Trimethyldibenzothiophene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 153524-16-4 / '212332-91-7 Price on request 72342 1-(3,5-Dichlorophenyl)-3-methylurea Price on request 0284.22-200-T 2-Phenylfluoranthene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 4914-78-7 Price on request