L-Histidine Back Catalog number: 72181 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2001.12-100-IO 2,2',4,5,5'-Pentachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 37680-73-2 Price on request 680584 13C6-Hexachlorobenzene, 100 µg/ml, Cyclohexane, Price on request L10090000AL Aldrin, 10µg/ml in Acetonitrile, 10ml Price on request