Internal & Surrogate Standard Back Catalog number: 97790 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3191.20-K-IO Ethyl 12-hydroxystearate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 82807-36-1 Price on request L17920000IO Vinclozolin, 10μg/mL in Isooctane, 10ml Price on request M0433 Sodium Methyl Sulfate, >98%, 25g Price on request