Calion Internal Standard Back Catalog number: 50804 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10709.4-100-ME O,O-Diethylthiophosphate-13C2, sodium salt, 100µg/ml in MeOH, 1ml Price on request 1419.9-250MG 3-Isopropylphenol, neat, Solvent-neat, Unit 250mg, # of units-1, Cas.no. 618-45-1 Price on request 3379.8-100 Dicrotophos, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 141-66-2 Price on request