Internal/Injection Standards, 1.2ml, toluene Back Catalog number: BFR-ISS Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 8983.12-10-10AN Tribufos , 10µg/mL, Solvent-ac.nitrile, Unit 1mL, # of units-1, Cas.no. 78-48-8 Price on request 679468 Endosulfan-sulfate, 100 µg/ml, Methanol, 1ml Price on request 9862.27-50-IO C27 Triaromatic sterane, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 80382-32-7 Price on request