Description Ethyl Isonicotinate, 98%, by Sigma-Aldrich, 250g For Research & Development Not for drug, clinical use in humans, for food or food additive use Specifications: TEST SPECIFICATION APPEARANCE COLORLESS TO YELLOW LIQUID IDENTITY CONFORMS TO STRUCTURE BY IR OR HNMR SPECTRA. GAS LIQUID 97.5% (MINIMUM) CAS: 1570-45-2 FORMULA: C8H9NO2