EPA Method 507 Pesticide Standard Back Catalog number: 91974 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0043.18-100-T 7-Nitrobenz[a]anthracene, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 20268-51-3 Price on request SC-203161B (-)-Nicotine ditartrate, >99%, (CAS 65-31-6), 10g Price on request 680662 Hydroxyzine dihydrochloride, 1000mg Price on request