3,4-Dinitrotoluene Back Catalog number: 71773A Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended Y0000787 Caffeine for system suitability, 10mg Price on request 0292.19-200-T 1-Methylchrysene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 3351-28-8 Price on request C13213000 17-alpha-Estradiol, certified, 0.1g Price on request