Biosynthetic precursor of sphingosine. Inhibitor of protein kinase C (PKC). Blocks phospholipases A2 (PLA2) and the D-sphingosine precursor. Alternative name: D-erythro-Sphingosine, Dihydro-, Sphinganine. Purity: ≥98% (TLC). Solubility: Soluble in 100% ethanol (25mg/ml, warm) or DMSO (25mg/ml, warm). Long Term Storage: -20°C.