Internal Standards Mix 33, 2000 ng/µl, 1ml Back Catalog number: YA08273300TO Availability: In the manufacturer's stock Price on request - + Recommended DF-123789-S 1,2,3,7,8,9-Hexachlorodibenzofuran , 1.2ml x 50ug/ml, nonane Price on request 9656.16-100-AN TXIB, 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 6846-50-0 Price on request 8935.9-100MG Acetovanillone, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 498-02-2 Price on request