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CAS No 516-95-0 , 5-alpha-cholestan-3-alpha-ol

  • Name: 5-alpha-cholestan-3-alpha-ol
  • Synonyms: 5-alpha-cholestan-3-alpha-ol;
  • CAS Registry Number:
  • Flash Point: 190.7°C
  • Boiling Point: 455.5°C at 760 mmHg
  • Density: 0.956g/cm3
  • Refractive index: 1.504
  • Safety Statements: Moderately toxic by ingestion. An experimental teratogen. Experimental reproductive effects. When heated to decomposition it emits acrid smoke and irritating fumes.
  • Flash Point: 190.7°C
  • EINECS: 208-228-4
  • Molecular Weight: 388.6694
  • InChI: InChI=1S/C27H48O/c1-18(2)7-6-8-19(3)23-11-12-24-22-10-9-20-17-21(28)13-15-26(20,4)25(22)14-16-27(23,24)5/h18-25,28H,6-17H2,1-5H3/t19-,20+,21-,22+,23-,24+,25+,26+,27-/m1/s1
  • Molecular Formula: C27H48O
  • Molecular Structure:CAS No:516-95-0 5-alpha-cholestan-3-alpha-ol

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516-95-0 5A(H)-CHOLESTAN-3A-OL

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516-95-0 EPICHOLESTANOL

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References of 5-alpha-cholestan-3-alpha-ol
Title: Epicholestanol
CAS Registry Number: 516-95-0
CAS Name: (3a,5a)-Cholestan-3-ol
Synonyms: 3a-hydroxycholestane; e-cholestanol
Molecular Formula: C27H48O
Molecular Weight: 388.67
Percent Composition: C 83.44%, H 12.45%, O 4.12%
Literature References: The 3a-hydroxy epimer of cholestanol. Prepn from cholestanone: Ruzicka, Helv. Chim. Acta 17, 1407 (1934); cf. Marker, et al., J. Am. Chem. Soc. 57, 2359 (1935); Barnett et al., J. Chem. Soc. 1940, 1390.
Properties: Needles from alcohol, mp 185-186°. [a]D20 +34° (c = 1.7 in chloroform). Less sol than cholestanol. Not precipitated by digitonin.
Melting point: mp 185-186°
Optical Rotation: [a]D20 +34° (c = 1.7 in chloroform)
 
Derivative Type: Acetate
Molecular Formula: C29H50O2
Molecular Weight: 430.71
Percent Composition: C 80.87%, H 11.70%, O 7.43%
Properties: mp 95.5-96°. Crystals from methanol.
Melting point: mp 95.5-96°
 
Derivative Type: Benzoate
Molecular Formula: C34H52O2
Molecular Weight: 492.78
Percent Composition: C 82.87%, H 10.64%, O 6.49%
Properties: mp 102-103°. [a]546 +27.2° in chloroform.
Melting point: mp 102-103°
Optical Rotation: [a]546 +27.2° in chloroform