22-Dihydroergocalciferol

22-Dihydroergocalciferol

IUPAC name (1S,3Z)-3-[(2E)-2-[(1R,3aS,7aR)-1-[(2R,5S)-5,6-dimethylhept-2-yl]-7a-methyl-2,3,3a,5,6,7-hexahydro-1H-inden-4-ylidene]ethylidene]-4-methylidenecyclohexan-1-ol
Other names (5Z,7E)-(3S)-9,10-seco-5,7,10(19)-ergostatrien-3-ol (24S)-Methylcalciol 22,23-Dihydroercalciol^[1] Vitamin D₄
Identifiers
CAS number	511-28-4
PubChem	5460703
ChemSpider	4574179^Y
ChEBI	CHEBI:33237^Y
Jmol-3D images	Image 1
SMILES O[C@@H]1CC(\C(=C)CC1)=C\C=C2/CCC[C@]3([C@H]2CC[C@@H]3[C@H](C)CC[C@H](C)C(C)C)C
InChI InChI=1S/C28H46O/c1-19(2)20(3)9-10-22(5)26-15-16-27-23(8-7-17-28(26,27)6)12-13-24-18-25(29)14-11-21(24)4/h12-13,19-20,22,25-27,29H,4,7-11,14-18H2,1-3,5-6H3/b23-12+,24-13-/t20-,22+,25-,26+,27-,28+/m0/s1^Y Key: DIPPFEXMRDPFBK-JPWDPSJFSA-N^Y InChI=1/C28H46O/c1-19(2)20(3)9-10-22(5)26-15-16-27-23(8-7-17-28(26,27)6)12-13-24-18-25(29)14-11-21(24)4/h12-13,19-20,22,25-27,29H,4,7-11,14-18H2,1-3,5-6H3/b23-12+,24-13-/t20-,22+,25-,26+,27-,28+/m0/s1 Key: DIPPFEXMRDPFBK-JPWDPSJFBS
Properties
Molecular formula	C₂₈H₄₆O
Molar mass	398.66 g/mol
Y (verify) (what is: Y/N?) Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
Infobox references

22-Dihydroergocalciferol is a form of vitamin D, also known as vitamin D₄.^[2] It has the systematic name (5Z,7E)-(3S)-9,10-seco-5,7,10(19)-ergostatrien-3-ol.^[1]

See also

Forms of vitamin D, the five known forms of vitamin D
Hypervitaminosis D, vitamin D poisoning
Lumisterol, a constituent of vitamin D₁

References

External links

Dihydroergocalciferols at lipidmaps.org

A	α-Carotene · β-Carotene · Retinol^# · Tretinoin

D	D₂ (Ergosterol, Ergocalciferol^#) · D₃ (7-Dehydrocholesterol, Previtamin D₃, Cholecalciferol, 25-hydroxycholecalciferol, Calcitriol (1,25-dihydroxycholecalciferol), Calcitroic acid) · D₄ (Dihydroergocalciferol) · D₅ · D analogues (Dihydrotachysterol, Calcipotriol, Tacalcitol, Paricalcitol)

E	Tocopherol (Alpha, Beta, Gamma, Delta) · Tocotrienol (Alpha, Beta, Gamma, Delta) · Tocofersolan

K	Naphthoquinone · Phylloquinone (K₁) · Menatetrenone (K₂) · Menadione (K₃) · Menadiol (K₄)

B	B₁ (Thiamine^#) · B₂ (Riboflavin^#) · B₃ (Niacin, Nicotinamide^#) · B₅ (Pantothenic acid, Dexpanthenol, Pantethine) · B₆ (Pyridoxine^#, Pyridoxal phosphate, Pyridoxamine) · B₇ (Biotin) · B₉ (Folic acid, Dihydrofolic acid, Folinic acid) · B₁₂ (Cyanocobalamin, Hydroxocobalamin, Methylcobalamin, Cobamamide) · Choline

C	Ascorbic acid^# · Dehydroascorbic acid

Combinations

^#WHO-EM. ^‡Withdrawn from market. Clinical trials: ^†Phase III. ^§Never to phase III

M: NUT

cof, enz, met

noco, nuvi, sysi/epon, met

drug(A8/11/12)