Modified 525.2 Pesticide Standard #1 Back Catalog number: 31006 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 97726 Organic Acids Mix Price on request 682238 2-Hydroxybenzothiazole, 500mg Price on request YA14470100AL Isoproturon D6 (dimethyl D6), 1000µg/mL in Acetonitrile, 1ml Price on request