BTEX Standard Back Catalog number: 92793 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1113.12-100-T 5-Nitroacenaphthene, 100µg/mL, Solvent-toluene, Unit 1ml, # of units-1, Cas.no. 602-87-9 Price on request 54003 Hexamethylenetetramine, ACS Price on request 676304 Levamisole hydrochloride, 250mg Price on request