PSA-C18-Mix 6 Back Catalog number: 674789 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 673844 D9-Chlormequat Chloride, 100 µg/ml , Deuterium ox Price on request 70729 Malathion Price on request 675957 1-(3,4-Dichlorophenyl)-3-methylurea, 100 µg/ml, A Price on request