Sorbic acid, 250mg Back Catalog number: 680116 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 679162 13C,15N2-2-NP-SCA, 10mg Price on request 0916.14-500-IO 2,5-Dimethyldiphenylsulfide, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 16704-47-3 Price on request 673734 Atrazine, 10.0 µg/ml, Ethyl acetate, 10ml Price on request