7α-Hydroxycholesterol

7α-Hydroxycholesterol
Names

IUPAC name Cholest-5-ene-3β,7α-diol
Systematic IUPAC name (1R,3aS,3bS,4S,7S,9aR,9bS,11aR)-9a,11a-Dimethyl-1-[(2R)-6-methylheptan-2-yl]-2,3,3a,3b,4,6,7,8,9,9a,9b,10,11,11a-tetradecahydro-1H-cyclopenta[a]phenanthrene-4,7-diol
Identifiers
CAS Number	566-26-7
3D model (JSmol)	Interactive image Interactive image
ChEBI	CHEBI:17500
ChemSpider	96891^Y
IUPHAR/BPS	4351
MeSH	7+alpha-hydroxycholesterol
PubChem CID	107722
UNII	95D0I22I0V^Y
CompTox Dashboard (EPA)	DTXSID40903965
InChI InChI=1S/C27H46O2/c1-17(2)7-6-8-18(3)21-9-10-22-25-23(12-14-27(21,22)5)26(4)13-11-20(28)15-19(26)16-24(25)29/h16-18,20-25,28-29H,6-15H2,1-5H3/t18-,20+,21-,22+,23+,24-,25+,26+,27-/m1/s1^Y Key: OYXZMSRRJOYLLO-RVOWOUOISA-N^Y InChI=1/C27H46O2/c1-17(2)7-6-8-18(3)21-9-10-22-25-23(12-14-27(21,22)5)26(4)13-11-20(28)15-19(26)16-24(25)29/h16-18,20-25,28-29H,6-15H2,1-5H3/t18-,20+,21-,22+,23+,24-,25+,26+,27-/m1/s1 Key: OYXZMSRRJOYLLO-RVOWOUOIBF
SMILES CC(C)CCC[C@@H](C)[C@H]1CC[C@@H]2[C@@]1(CC[C@H]3[C@H]2[C@@H](C=C4[C@@]3(CC[C@@H](C4)O)C)O)C O[C@@H]4C/C3=C/[C@@H](O)[C@@H]1[C@H](CC[C@]2([C@H]1CC[C@@H]2[C@H](C)CCCC(C)C)C)[C@@]3(C)CC4
Properties
Chemical formula	C₂₇H₄₆O₂
Molar mass	402.653 g/mol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Y verify (what is ^YN ?) Infobox references

Chemical compound

7α-Hydroxycholesterol is a precursor of bile acids, created by cholesterol 7α-hydroxylase (CYP7A1). Its formation is the rate-determining step in bile acid synthesis.^[1]

References

^ Chiang JY, Ferrell JM (March 2020). "Bile acid receptors FXR and TGR5 signaling in fatty liver diseases and therapy". American Journal of Physiology. Gastrointestinal and Liver Physiology. 318 (3): G554–G573. doi:10.1152/ajpgi.00223.2019. PMC 7099488. PMID 31984784.

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Cholesterol and steroid metabolic intermediates

Mevalonate pathway

to HMG-CoA	Acetyl-CoA Acetoacetyl-CoA HMB HMB-CoA HMG-CoA
Ketone bodies	Acetone Acetoacetic acid β-Hydroxybutyric acid
to DMAPP	Mevalonic acid Phosphomevalonic acid 5-Diphosphomevalonic acid Isopentenyl pyrophosphate Dimethylallyl pyrophosphate
Geranyl-	Geranyl pyrophosphate Geranylgeranyl pyrophosphate
Carotenoid	Prephytoene diphosphate Phytoene

Non-mevalonate pathway

Lanosterol
14-demethyllanosterol
4alpha-Methylzymosterol
Zymosterone
Zymosterol

From Cholesterol
to Steroid hormones

22R-Hydroxycholesterol
20α,22R-Dihydroxycholesterol
See here instead.

Nonhuman

To Sitosterol	Cycloartenol Cycloeucalenol Obtusifoliol 4α-methylfecosterol Isofucosterol 24-Methylenelophenol Sitosterol More Phytosterols see here instead.
To Ergocalciferol	Fecosterol Episterol Ergostatrienol Ergostatetraenol Ergosterol Ergocalciferol

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Endogenous steroids

Precursors

Cholesterol
22R-Hydroxycholesterol
20α,22R-Dihydroxycholesterol
Pregnenolone
11β-Hydroxypregnenolone
17α-Hydroxypregnenolone
21-Hydroxypregnenolone
17α,21-Dihydroxypregnenolone
11β,17α,21-Trihydroxypregnenolone

Corticosteroids

Glucocorticoids	3α,5α-Tetrahydrocorticosterone 5α-Dihydrocorticosterone 11-Deoxycorticosterone 11-Deoxycortisol 11-Ketoprogesterone 21-Deoxycortisol 21-Deoxycortisone Corticosterone Cortisol Cortisone 17α-Hydroxypregnenolone 17α-Hydroxyprogesterone Pregnenolone Progesterone Metabolites: 5α-Dihydrocortisol 3α,5α-Tetrahydrocortisol
Mineralocorticoids	5α-Dihydroaldosterone 11-Dehydrocorticosterone (11-oxocorticosterone, 17-deoxycortisone) 11-Deoxycortisol 11-Deoxycorticosterone 11β-Hydroxyprogesterone (21-deoxycorticosterone) 18-Hydroxy-11-deoxycorticosterone 18-Hydroxycorticosterone 18-Hydroxyprogesterone Aldosterone Corticosterone Cortisol

Androgens	11-Ketodihydrotestosterone 11-Ketotestosterone 7β-Hydroxyepiandrosterone 11β-Hydroxyandrostenedione Adrenosterone (11-ketoandrostenedione) Androstenediol Androstenedione Androsterone Dehydroandrosterone DHEA DHEA sulfate Dihydrotestosterone Epiandrosterone Epitestosterone 16α-Hydroxyandrostenedione 16α-Hydroxy-DHEA 16α-Hydroxy-DHEA sulfate Testosterone Metabolites: 3α-Androstanediol 3α-Androstanediol glucuronide 3β-Androstanediol 5β-Dihydrotestosterone 3α-Etiocholanediol 3β-Etiocholanediol Androstanetriols Androstenediol sulfate Androsterone glucuronide Androsterone sulfate Dihydrotestosterone glucuronide Dihydrotestosterone sulfate Etiocholanedione Etiocholanolone Etiocholanolone glucuronide Epietiocholanolone Testosterone glucuronide Testosterone sulfate
Estrogens	Estranes: Estetrol Estradiol Estrone Estriol 17α-Estradiol 16β-Epiestriol (16β-hydroxyestradiol) 17α-Epiestriol (16α-hydroxy-17α-estradiol) 16β,17α-Epiestriol (16β-hydroxy-17α-estradiol) 2-Hydroxyestradiol 2-Hydroxyestriol 2-Hydroxyestrone 4-Hydroxyestradiol 4-Hydroxyestriol 4-Hydroxyestrone 4-Methoxyestradiol 4-Methoxyestrone 16α-Hydroxyestrone 16β-Hydroxyestrone 16-Ketoestradiol 16-Ketoestrone Others: 27-Hydroxycholesterol 3α-Androstanediol 3β-Androstanediol 4-Androstenedione 5-Androstenediol DHEA DHEA sulfate 7-Keto-DHEA 7α-Hydroxy-DHEA 16α-Hydroxy-DHEA Metabolites: 2-Methoxyestradiol 2-Methoxyestrone 2-Methoxyestriol 4-Methoxyestriol Estradiol disulfate Estradiol glucuronide Estradiol 3-glucuronide Estradiol 3-glucuronide 17β-sulfate Estradiol sulfate Estradiol 17β-sulfate Estrone glucuronide Estrone sulfate Estriol glucuronide Estriol sulfate Lipoidal estradiol (e.g., estradiol stearate, estradiol palmitate)
Progestogens	Progesterone 16α-Hydroxyprogesterone 17α-Hydroxyprogesterone 20α-Dihydroprogesterone 20β-Dihydroprogesterone 5α-Dihydroprogesterone 11-Deoxycorticosterone 5α-DHDOC Metabolites: Allopregnanediol Pregnanediol Pregnanediol glucuronide Pregnanetriol

Cholestanes: 24S-Hydroxycholesterol
Cholesterol

Others

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