Sulfapyridine, 100 µg/ml, Methanol, 1ml Back Catalog number: 679819 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 0924.10-500-IO 4-Isopropyl-1-methylbenzene (p-Isopropyltoluene), 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 99-87-6 Price on request 72613 Demeton-S-methyl, 1000µg/ml in MeOH, 1ml Price on request 676422 Ketoprofen, 100mg Price on request