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CAS No 80-97-7 , Dihydrocholesterol

  • Name: Dihydrocholesterol
  • Synonyms: 5-alpha-cholestan-3-beta-ol;Dihydrocholesterol;3beta-Cholestanol;
  • CAS Registry Number:
  • Transport: UN 1888 6
  • Melting Point: 140-142 ºC
  • Density: 0.956 g/cm3
  • Refractive index: 1.504
  • Water Solubility: chloroform: 0.1 g/mL, clear, colorless
  • Safety Statements: 24/25-36/37-22
  • Hazard Symbols: Xn: Harmful;
  • EINECS: 201-315-8
  • Molecular Weight: 388.67
  • InChI: InChI=1/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
  • Risk Statements: S22;S24/25
  • Molecular Formula: C27H48O
  • Molecular Structure:CAS No:80-97-7 Dihydrocholesterol

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References of Dihydrocholesterol
Title: Cholestanol
CAS Registry Number: 80-97-7
CAS Name: (3b,5a)-Cholestan-3-ol
Synonyms: Dihydrocholesterol; 3b-hydroxycholestane; b-cholestanol
Molecular Formula: C27H48O
Molecular Weight: 388.67
Percent Composition: C 83.44%, H 12.45%, O 4.12%
Literature References: Occurs in human feces, in gallstones, in eggs. Prepn by reduction of cholesterol: Willst?tter, Mayer, Ber. 41, 2199 (1908); Ellis, Gardner, Biochem. J. 12, 72 (1918). From coprostenone: Diels, Abderhalden, Ber. 39, 884 (1906). See also Bruce, Ralls, Org. Synth. coll. vol. II, 191 (1943).
Properties: Monohydrate, scales from alc, mp 141.5-142°. [a]D22 +24.2° (c = 1.3 in chloroform). One gram dissolves in about 100 ml alcohol, in 200 ml dry methanol. Freely sol in hot alc, ether, chloroform. Pptd by digitonin.
Melting point: mp 141.5-142°
Optical Rotation: [a]D22 +24.2° (c = 1.3 in chloroform)
 
Derivative Type: Methyl ether
Molecular Formula: C28H50O
Molecular Weight: 402.70
Percent Composition: C 83.51%, H 12.51%, O 3.97%
Properties: Needles from acetone, mp 82.5-83°. [a]D20 +20.0°.
Melting point: mp 82.5-83°
Optical Rotation: [a]D20 +20.0°
 
Derivative Type: Acetate
Molecular Formula: C29H50O2
Molecular Weight: 430.71
Percent Composition: C 80.87%, H 11.70%, O 7.43%
Properties: Prisms from ethyl acetate + methanol, mp 111°. [a]D20 +13.3° (c = 2 in chloroform).
Melting point: mp 111°
Optical Rotation: [a]D20 +13.3° (c = 2 in chloroform)