WS Disinfection By-Products - Cal Check 4 Back Catalog number: 93986 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 680532 Fenvalerate free acid Metabolite, 100mg Price on request S-4415-20-25PE ISO 9377-2MOD Extraction Solvent Stock Solution I 20ul of n-Heptane and 20mg of n-Tetracontane solved in 1000ml n-Pentane Price on request CA14950050 Metazachlor oxanilic acid (OA), 10mg Price on request