Base/Neutral & Acid Surrogate Standard Back Catalog number: 25015 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0044.22-100-T 7-Nitrodibenz[a,h]anthracene, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 63041-91-8 Price on request 96615 Venlafaxine Price on request 72014 2,4,6-Tribromoanisole Price on request