Trace Metals Kit Back Catalog number: 53091 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1981.12-1G Tri-n-butyltin chloride, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 1461-22-9 Price on request 677714 4-Methylphenol, 100 µg/ml, Acetonitrile, 1ml Price on request 673067 Coumarin, 100mg Price on request