Method 1640Mix A Back Catalog number: 53146 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 70912 1,4-Dinitrobenzene, 1000µg/ml in MeOH, 1ml Price on request 12030.7-K-ME 3-Ethoxypropyl acetate,1000 µg/mL,MeOH,1mL, Price on request ACQ-SE20-030 Ethanol standard in serum,2.0g/L,serum, 3.0mL Price on request