EPA Method 8141A/1657 - Analytes Back Catalog number: 92800 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1871.22-K-CY n-Hexadecylcyclohexane, 1000µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 6812-38-0 Price on request 11166.7-100-ME Theobromine,100 µg/mL,MeOH,1mL, Price on request 12070.12-250MG Sulfadimethoxine,neat,neat,250mg, Price on request