L-Histidine Back Catalog number: 72181 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3880.8-K-ME 2-Ethylhexanoic acid-d15, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 352431-38-0 Price on request 8700.17-100 Bromopropylate, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 18181-80-1 Price on request 0389.14-100-T Phenanthrene-d10, 100 µg/mL in toluene, 1mL Price on request