Structural Formula Vector Image
Title: 7-Dehydrositosterol
CAS Registry Number: 521-04-0
CAS Name: (3b)-Stigmasta-5,7-dien-3-ol
Molecular Formula: C29H48O
Molecular Weight: 412.69
Percent Composition: C 84.40%, H 11.72%, O 3.88%
Literature References: From soy bean oil b-sitosterol: Wunderlich, Z. Physiol. Chem. 241, 116 (1936). Starting with cholesterol: US 2386635 (1945).
Properties: Platelets from alc, browns on contact with air, mp 144-145°. [a]D21 -116° (c = 2 in chloroform). Sparingly sol in methanol, somewhat more in alcohol, freely sol in the other usual organic solvents. Insol in water.
Melting point: mp 144-145°
Optical Rotation: [a]D21 -116° (c = 2 in chloroform)
Derivative Type: Acetate
Molecular Formula: C31H50O2
Molecular Weight: 454.73
Percent Composition: C 81.88%, H 11.08%, O 7.04%
Properties: mp 151-152°. [a]D21 -71° (c = 2 in chloroform).
Melting point: mp 151-152°
Optical Rotation: [a]D21 -71° (c = 2 in chloroform)

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