19-Iodocholesterol

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19-Iodocholesterol

IUPAC name (3S,8S,9S,10S,13R,14S,17R)-10-(iodomethyl)-13-methyl-17-[(2R)-6-methylheptan-2-yl]-2,3,4,7,8,9,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3-ol
Identifiers
CAS number	37414-03-2^N
PubChem	21150757
ChemSpider	20086815^Y
ATC code	V09XA02,(¹³¹I)
Jmol-3D images	{{#if:CC(C)CCC[C@@H](C)[C@H]3CC[C@H]2[C@@H]4C\C=C1\C[C@@H](O)CC[C@]1(CI)[C@H]4CC[C@@]23C\|Image 1
SMILES CC(C)CCC[C@@H](C)[C@H]3CC[C@H]2[C@@H]4C\C=C1\C[C@@H](O)CC[C@]1(CI)[C@H]4CC[C@@]23C
InChI InChI=1S/C27H45IO/c1-18(2)6-5-7-19(3)23-10-11-24-22-9-8-20-16-21(29)12-15-27(20,17-28)25(22)13-14-26(23,24)4/h8,18-19,21-25,29H,5-7,9-17H2,1-4H3/t19-,21+,22+,23-,24+,25+,26-,27-/m1/s1^Y Key: FIOAEFCJGZJUPW-FTLVODPJSA-N^Y InChI=1/C27H45IO/c1-18(2)6-5-7-19(3)23-10-11-24-22-9-8-20-16-21(29)12-15-27(20,17-28)25(22)13-14-26(23,24)4/h8,18-19,21-25,29H,5-7,9-17H2,1-4H3/t19-,21+,22+,23-,24+,25+,26-,27-/m1/s1 Key: FIOAEFCJGZJUPW-FTLVODPJBR
Properties
Molecular formula	C₂₇H₄₅IO
Molar mass	512.55 g mol⁻¹
N (verify) (what is: Y/N?) Except where noted otherwise, data are given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
Infobox references

19-Iodocholesterol is a derivative of cholesterol with an iodine atom in the 19-position. When the iodine atom is a radioactive isotope (iodine-125 or iodine-131), it is used as an adrenal cortex radiocontrast agent for in the assessment of patients suspected of having Cushing's syndrome, hyperaldosteronism, pheochromocytoma and adrenal remnants following total adrenalectomy.^[1]

References

v t e Diagnostic radiopharmaceuticals (V09)

Central nervous system	^99mTc (Exametazime) ¹²³I (Ioflupane Iofetamine Iomazenil) ¹⁸F (Florbetapir)

Skeletal system	^99mTc (Medronic acid)

Renal	¹²³I (Sodium iodohippurate)

Hepatic/reticuloendothelial	⁷⁵Se (SeHCAT)

Respiratory system	¹³³Xe ^81mKr

Cardiovascular system	^99mTc (Sestamibi Tetrofosmin) ¹¹¹In (Imciromab) ⁸²Rb (Rubidium chloride)

Inflammation/infection	^99mTc (Exametazime Sulesomab Tilmanocept) ¹¹¹In ⁶⁷Ga

Tumor	^99mTc (Arcitumomab Votumumab Hynic-octreotide) ¹¹¹In (Capromab pendetide Satumomab pendetide) ¹²⁵I (CC49) ¹²³I/¹³¹I (Iobenguane) ¹⁸F (Fludeoxyglucose Sodium fluoride)

Adrenal cortex	¹²³I/¹²⁵I (Iodocholesterol)

Radionuclides (including tracers)	positron (PET): ¹⁸F ¹¹C ¹³N ¹⁵O ⁶⁸Ga gamma ray/photon (SPECT/scintigraphy): ^99mTc ¹²³I ¹²⁵I ¹³¹I ¹¹¹In ⁵⁷Co ¹⁵³Sm ¹³³Xe ⁵¹Cr ^81mKr ²⁰¹Tl ⁶⁷Ga ⁷⁵Se

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