WP Non-Filterable Residue Back Catalog number: 54134 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2883.29-5UG 17ß(H),18 alpha(H)-28-Nor-spergulane, neat, Solvent-neat, Unit ca. 5µg, # of units-1, Cas.no. Price on request 30036 Methyl-3,5-dichlorobenzoate Price on request L20565000AL Benzo(b)fluoranthene, 10µg/ml in Acetonitrile, 10m Price on request