ChemicalBook--->CAS DataBase List--->474-69-1

474-69-1

474-69-1 Structure

474-69-1 Structure
IdentificationBack Directory
[Name]

9-beta,10-alpha-ergosta-5,7,22-trien-3-beta-ol
[CAS]

474-69-1
[Synonyms]

Einecs 207-487-0
(9β,10α,22E)-Ergosta-5,7,22-trien-3β-ol
Ergocalciferol EP Impurity C (Lumisterol)
Ergosta-5,7,22-trien-3-ol, (3β,9β,10α,22E)-
9-beta,10-alpha-ergosta-5,7,22-trien-3-beta-ol
(3beta,9beta,10alpha,22E)-Ergosta-5,7,22-trien-3-ol
Ergosta-5,7,22-trien-3-ol, (3.beta.,9.beta.,10.alpha.,22E)-
(3S,9R,10S,13R,14R,17R)-17-((2R,5R,E)-5,6-dimethylhept-3-en-2-yl)-10,13-dimethyl-2,3,4,9,10,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3-ol
[EINECS(EC#)]

207-487-0
[Molecular Formula]

C28H44O
[MDL Number]

MFCD28358904
[MOL File]

474-69-1.mol
[Molecular Weight]

396.65
Chemical PropertiesBack Directory
[Melting point ]

118-120℃ (ethanol )
[alpha ]

D19 +191.5°; 19546 +235.4° (c = 2 in acetone)
[Boiling point ]

460.3°C (rough estimate)
[density ]

1.00±0.1 g/cm3 (20 ºC 760 Torr)
[refractive index ]

1.5100 (estimate)
[storage temp. ]

-20°C, protect from light, stored under nitrogen
[solubility ]

Chloroform (Slightly), Ethyl Acetate (Slightly), Methanol (Slightly)
[form ]

Solid
[pka]

14.91±0.70(Predicted)
[color ]

White to Pale Grey
[Stability:]

Light Sensitive, Temperature Sensitive
Hazard InformationBack Directory
[Uses]

C10 isomer of Ergosterol (E599240). Used in the preparation of vitamin D series.
[Uses]

Differs from Ergosterol by spatial arrangement volving the methyl group at C10. 9-beta,10-alpha-ergosta-5,7,22-trien-3-beta-ol is used in the preparation of vitamin D series.
[storage]

-20°C, protect from light, stored under nitrogen
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