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Key Documents

188174

Sigma-Aldrich

(+)-4-Cholesten-3-one

98%

Sinônimo(s):

3-Keto-4-cholestene, 3-Oxo-4-cholestene, 4-Cholesten-3-one

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About This Item

Fórmula empírica (Notação de Hill):
C27H44O
Número CAS:
Peso molecular:
384.64
Beilstein:
2224119
Número CE:
Número MDL:
Código UNSPSC:
12352115
ID de substância PubChem:
NACRES:
NA.22

Nível de qualidade

Ensaio

98%

forma

solid

atividade óptica

[α]23/D +91.0°, c = 2 in chloroform

pf

79-81 °C (lit.)

grupo funcional

ketone

cadeia de caracteres SMILES

[H][C@@]12[C@]([C@](CC3)(C)C(CC2)=CC3=O)([H])CC[C@@]4(C)[C@@]1([H])CC[C@]4([H])[C@]([H])(C)CCCC(C)C

InChI

1S/C27H44O/c1-18(2)7-6-8-19(3)23-11-12-24-22-10-9-20-17-21(28)13-15-26(20,4)25(22)14-16-27(23,24)5/h17-19,22-25H,6-16H2,1-5H3/t19-,22+,23-,24+,25+,26+,27-/m1/s1

chave InChI

NYOXRYYXRWJDKP-GYKMGIIDSA-N

Código de classe de armazenamento

11 - Combustible Solids

Classe de risco de água (WGK)

WGK 3

Ponto de fulgor (°F)

Not applicable

Ponto de fulgor (°C)

Not applicable

Equipamento de proteção individual

Eyeshields, Gloves, type N95 (US)


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B Zipser et al.
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Steroids were isolated from the blood-sucking leech species Hirudo medicinalis and their structure was studied with one- and two-dimensional NMR spectroscopy (DQF-COSY and HMQC), GC-MS and ESI-MS spectrometry. Fractionating leech lipid using silicic acid chromatography led to the isolation of
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Daniel L Motola et al.
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A M Wolfreys et al.
Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association, 40(4), 461-470 (2002-03-15)
Phytosterol esters are phytosterols derived from vegetable oils following esterification to fatty acids. When phytosterols are added to foods, they inhibit the absorption of dietary and endogenous cholesterol and thereby reduce blood cholesterol concentrations. As part of a comprehensive programme

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