Title: Ergostanol
CAS Registry Number: 6538-02-9
CAS Name: (3b,5a)-Ergostan-3-ol
Molecular Formula: C28H50O
Molecular Weight: 402.70
Percent Composition: C 83.51%, H 12.51%, O 3.97%
Literature References: Prepn by hydrogenation of ergosta-14,22-dien-7-one: Chen, Ber. 70, 1432 (1937).
Properties: Crystals, mp 144-145°. [a]D20 +15.9° (c = 1.8 in chloroform). Is precipitated by digitonin.
Melting point: mp 144-145°
Optical Rotation: [a]D20 +15.9° (c = 1.8 in chloroform)
Derivative Type: Acetate
Molecular Formula: C30H52O2
Molecular Weight: 444.73
Percent Composition: C 81.02%, H 11.79%, O 7.20%
Properties: mp 145°. [a]D20 +6.0° (c = 1.8 in chloroform).
Melting point: mp 145°
Optical Rotation: [a]D20 +6.0° (c = 1.8 in chloroform)
Derivative Type: Benzoate
Molecular Formula: C35H54O2
Molecular Weight: 506.80
Percent Composition: C 82.95%, H 10.74%, O 6.31%
Properties: mp 163-165°.
Melting point: mp 163-165°
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