Internal standard 3, 2000g/ml in MeOH, 1ml Back Catalog number: 30069 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended BENDOS Endosulfan II (b), 1.2mL x 100ug/mL, nonane Price on request 677372 Propachlor ESA sodium salt, 100µg/ml, Acetonitrile, 1ml Price on request 71335 4-Methylheptane Price on request