Properties: Needles from acetone + ether, mp 235-238°. [a]D20 +84.5° (ethanol); [a]D19 +81.3° (dioxane); [a]19545 +105° (dioxane). Precipitated by digitonin.
Melting point: mp 235-238°
Optical Rotation: [a]D20 +84.5° (ethanol); [a]D19 +81.3° (dioxane); [a]19545 +105° (dioxane)
Derivative Type: 3-Acetate
Percent Composition: C 72.38%, H 9.26%, O 18.36%
Properties: Needles from actone + ether, mp 230-231°. [a]D19 +70.5° (dioxane); [a]19546 +87.1° (dioxane).
Melting point: mp 230-231°
Optical Rotation: [a]D19 +70.5° (dioxane); [a]19546 +87.1° (dioxane)
Derivative Type: Diacetate
Percent Composition: C 70.74%, H 8.78%, O 20.49%
Properties: Crystals, mp 154-156°.
Melting point: mp 154-156°
产品链接: 514-17-0››