Title: a-Glucogallin
CAS Registry Number: 53318-36-8
CAS Name: a-D-Glucopyranose 1-(3,4,5-trihydroxybenzoate)
Additional Names: a-D-glucopyranose-1-gallate; 1-galloyl-a-D-glucose
Molecular Formula: C13H16O10
Molecular Weight: 332.26
Percent Composition: C 46.99%, H 4.85%, O 48.15%
Literature References: Synthesis: Schmidt, Herok, Ann. 587, 63 (1954); Schmidt, Schmadel, ibid. 649, 149 (1961).
Properties: Crystals, dec 179-181°. [a]D20 +83° (c = 3 in methanol).
Optical Rotation: [a]D20 +83° (c = 3 in methanol)
Derivative Type: Dihydrate
Properties: Prisms from water, mp 171-173°. [a]D25 +79.1° (water). Freely sol in water, methanol, ethanol, dioxane, acetic acid. Sparingly soluble in ethyl acetate, ether and acetone.
Melting point: mp 171-173°
Optical Rotation: [a]D25 +79.1° (water)

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