Trade Lead Description:
[Chemical Name] L-Dopa, Levodopa, L-Tyrosine, 3-hydroxy-
[M.F. & M.W.:] C9H11NO4;197.19
[CAS NO.] 59-92-7
[Structural Formula]
[Physical properties] Colorless to white, smellless and tasteless crystal or crystalline powder, acicular crystal (water). Melting point, 276-278°C,284-286°C,[α]13D-13.1°C (C=5.12,1N hydrochloric acid). It dissolves easily in diluted hydrochloric acid and formic acid, soluble in water (65mg/44ml), and almost insoluble in ethanol, benzene, chloroform, and ethyl acetate. [Botanical source] Seeds of Vicia faba L and Mucuna cochin-chinensis
Posted from China - Jiangsu on 16 April, 2007
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