L-Valine, 250mg Back Catalog number: 677577 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 0916.14-500-IO 2,5-Dimethyldiphenylsulfide, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 16704-47-3 Price on request 58105 Boron (B) Price on request 1212.17-200-IO 9-Methyl-7(H)-benzo[c]carbazole, 200µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 117043-89-7 Price on request