Endosulfan sulfate (13C9), 100µg/mL in Nonane, 1,2 Back Catalog number: CLM-7531-1.2 Availability: In the manufacturer's stock Price on request - + Recommended L429-AS Method 429 Alternate Standard Stock Solution, 1.2ml, isooctane Price on request 38332 WI DRO Price on request 1133.13-K-IO n-Tridecane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 629-50-5 Price on request