Title: Vicianin
CAS Registry Number: 155-57-7
Additional Names: Mandelonitrile vicianoside
Molecular Formula: C19H25NO10
Molecular Weight: 427.40
Percent Composition: C 53.39%, H 5.90%, N 3.28%, O 37.43%
Literature References: In seeds of Vicia angustifolia Clos, and V. sativa L., Leguminosae. Isoln: Bertrand, Compt. Rend. 143, 832 (1906); Bull. Soc. Chim. [4] 1, 151 (1907); Bertrand, Weisweiller, Compt. Rend. 147, 252 (1908); 151, 325 (1910); Bull. Soc. Chim. [4] 9, 147 (1911). Preparation of hexaacetyl-b-vicianoside of (-)-mandelonitrile, believed to be vicianin hexaacetate: Chaudhury, Robertson, J. Chem. Soc. 1949, 2054.
Derivative Type: Monohydrate
Properties: Needles from water. When anhydr mp 160° (copper block). [a]D18 -21° (satd aq soln). Sol in hot water, slightly in cold water, in alcohol; practically insol in chloroform, benzene, petr ether.
Melting point: mp 160° (copper block)
Optical Rotation: [a]D18 -21° (satd aq soln)
Status: This monograph has been retired and is no longer subject to revision or update.

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