WP Total Phenolics Back Catalog number: 50218 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0239.20-10-AN Benzo[a]pyrene, 10µg/mL, Solvent-acetonotrile, Unit 1mL, # of units-1, Cas.no. 50-32-8 Price on request 94447 8270 Spike Standard Price on request 684708 Diafenthiuron-urea, 10mg Price on request