Internal standard 2, 2000g/ml in MeOH, 1ml Back Catalog number: 30068 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 8225.6-100 Demeton-S-methyl, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 919-86-8 Price on request 676484 Trimethylolpropane tris[3-(2-methylaziridin-1-yl)p Price on request 2663.10-100MG Toxaphene, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 8001-35-2 Price on request