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 59731 ICP Multielement Standard Price on request 51127 Aromatics Quantitative Internal Standard Price on request 94384 Volatile Hydrocarbon Standard Price on request