Method 1613 Clean-up Standard, 8ng/ml in Nonane, 20ml Back Catalog number: EDF-6999-10X Availability: In the manufacturer's stock Price on request - + Recommended 685660 Bentazone-methyl, 100µg/ml in Acetonitrile, 5ml Price on request 12137.16-100-ME Difenoxuron,100 µg/mL,MeOH,1mL, Price on request 14076.9-K-ME Homovanillic acid-d5, 1000µg/ml in MeOH, 1ml Price on request