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Vitamin D


DATA No : VVD0245 INFORMANT : Sachiko Yamada

NAME : (3S)-5,7-cholestadien-3-ol

COMMON NAME: provitamin D3 /procholecalciferol / 7-dehydrocholesterol
SYMBOL: pro-D3
FORMULA: C27H44O MOL.WT (average) : 384.638


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BIOLOGICAL ACTIVITY

PHYSICAL AND CHEMICAL PROPERTIES
MELTING POINT:126 degC (Ref. 0187)
141.5 degC (Alcohol) (Ref. 0188)

BOILING POINT:

REFRACTIVE INDEX:

OPTICAL ROTATION:[a]d-25 -50.45 to -49.69 deg (in CHCl3) (Ref. 0188)

DENSITY:

SOLUBILITY:
SPECTRAL DATA
UV SPECTRA:lmax (nm) (e) 262.5 pm 5 (7400), 271.0 pm 5 (10400), 281.5 pm 5 (10750), 293.0 pm 5 (6150) (Ref. 0187)

IR SPECTRA:

NMR SPECTRA:13C-NMR (d, CDCl3, 22.6MHz) 38.5 (1), 32.0 (2), 70.5 (3), 40.8 (4), 141.3 (5), 119.8 (6), 116.5 (7), 140.0 (8), 46.5 (9), 37.2 (10), 21.2 (11), 39.2 (12), 43.1 (13), 54.6 (14), 23.1 (15), 28.1 (16), 56.2 (17), 11.9 (18), 16.4 (19), 36.3 (20), 18.9 (21), 36.3 (22), 24.0 (23), 39.6 (24), 28.1 (25), 22.6 (26), 22.8 (27) (Ref. 0003)

MASS SPECTRA:

OTHER SPECTRA:
CHROMATOGRAM DATA

SOURCE
Isolation and identification from pig skin. (Ref. 0190)
CHEMICAL SYNTHESIS

METABOLISM

GENETIC INFORMATION

NOTE

REFERENCES
[0003]
AUTHOR:Tsukida, K., Akutsu, K., and Saiki, K.
TITLE:Carbon-13 nuclear magnetic resonance spectra of vitamins D and related compounds PubMed ID:178846
JOURNAL:J Nutr Sci Vitaminol (Tokyo).
VOL:21 PAGE : 411-420 (1975)
[TOP]

[0187]
AUTHOR:Hogness, T. R.; Sidwell, A. E. Jr.; Zscheile, F. P. Jr.
TITLE:The Absorption Spectra of Compounds Related to The Sterols.
JOURNAL:J. Biol. Chem.
VOL:120 PAGE : 239 -257 (1937)
[TOP]

[0188]
AUTHOR:Koch, E. M.; Koch, F. C.
TITLE:Provitamin D Potency of Some Sterol Derivatives.
JOURNAL:J. Biol. Chem.
VOL:116 PAGE : 757 -769 (1936)
[TOP]

[0190]
AUTHOR:Windaus, A.; Bock, F.
TITLE:Uber das Provitamin aus dem Sterin der Schweineschwarte.
JOURNAL:Z. Physiol. Chem.
VOL:245 PAGE : 168 -170 (1937)
[TOP]

Last updated June 19, 2007. Copyright © 1989-2007 Japanese Conference on the Biochemistry of Lipids (JCBL). All rights reserved.