Internal Standard Back Catalog number: 93185 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended HCH-MXA Native HCH Solution/Mixture, 1.2ml, nonane Price on request 681886 Fluorodifen, 100 µg/ml, Ethyl acetate, 5ml Price on request 9096.9-100-IO Cinnamic aldehyde, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 104-55-2 Price on request