Leptophos Back Catalog number: 70725 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1986.12-K-MEX5 Diphenyltin dichloride, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-5, Cas.no. 1135-99-5 Price on request DF-IS-C Mass-Labelled PCDD/PCDF Internal Standard Solution, 1.2ml, nonane Price on request 71169 Methyl-2,4,6-trichlorophenoxyacetate Price on request