L-Histidine Back Catalog number: 72181 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DF-234678-S 2,3,4,6,7,8-Hexachlorodibenzofuran , 1.2ml x 50ug/ml, nonane Price on request 673547 Dicofol, 10.0 µg/ml, Ethyl acetate, 10ml Price on request 680070 Ioxynil-methyl, 100mg Price on request