Method 1640Mix A Back Catalog number: 53146 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1981.12-K-MEX5 Tri-n-butyltin chloride, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-5, Cas.no. 1461-22-9 Price on request 673907 Hexaflumuron, 100mg Price on request 678424 delta-HCH, 100 µg/ml, Acetonitrile, 5ml Price on request