Prothiofos, 100 µg/ml, Acetonitrile, 1ml Back Catalog number: 678104 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 8747.12-50-IO 3-Bromodiphenyl ether, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 6876-00-2 Price on request 2197.11-K-ME 1-Methyl-6-nitronaphthalene, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 105752-67-8 Price on request 1839.9-1G 4-Ethylbenzoic acid, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 619-64-7 Price on request