Internal Standard Stock Solution, 1.2ml, nonane Back Catalog number: EPA-1668IS Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 9526.33-K-ME Candesartan cilexetil, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 145040-37-0 Price on request 10847.22-10MG Chlortetracycline hydrochloride Price on request S-4415-20-100PE 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