Methapyrilene HCl Back Catalog number: 79334 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3566.18-10MG 5,12-Naphthacenequinone, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 1090-13-7 Price on request 680375 Ormetoprim, 250mg Price on request 92693 EPA Method 525.2 Standard Price on request