PSA-C18-Mix 4 Back Catalog number: 674790 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 0932.14-500-IO 1,2-Dimethyldibenzothiophene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 31317-14-3 Price on request 684904 N,N-Dimethylvaleramide, 250mg Price on request 2349.6-100MG Phenol-d6, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 13127-88-3 Price on request