Instrument Standard 2 Back Catalog number: 53078 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3337.12-100 Chlorfenson, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 80-33-1 Price on request 676610 2-Propanethiol, 250mg Price on request 681110 Carbophenothion-methyl, 10.0 µg/ml, Cyclohexane, Price on request