4-Aminopyridine Back Catalog number: 70427 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 678228 13C-15N-AMPA, 100 µg/ml, Water, 1ml Price on request 92219 Semi-Volatile Standard Price on request 33PDM155 2,2',4,4',6,6'-Hexachloro-3,3'-dimethoxybiphenyl, 1.2ml x 50ug/ml, nonane Price on request