A plant and fungal toxin, 3-nitropropionic acid acts as an irreversible inactivator of succinate dehydrogenase. Selectively inhibits succinic dehydrogenase complex (Complex II) in the mitochondrial electron transport chain. Also shown to cause brain lesions similar to those of Huntington′s disease.Formula:C3H5NO4Solubility:Ethanol (~100mg/ml)Molecular Weight:~119.08Storage and Stability:Lyophilized powder may be stored at -20°C. Stable for 12 months at -20°C. Reconstitute with sterile buffer or dH2O. Aliquot to avoid repeated freezing and thawing. Store at -20°C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.