Internal Reference Standard Back Catalog number: 52187 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 15900-3321-100AN1 Metolachlor-ESA, 100µg/ml in Acetonitrile, 1ml Price on request 10566.7-100MG p-Anisidine Price on request 2157.6-1G Bromobenzene Price on request