7-Dehydrocholesterol CAS 434-16-2

CAS:434-16-2

Fomula ya Maselo:C27H44O

Kulemera kwa Maselo:384.64

EINECS:207-100-5

Mawu ofanana:Dehydrocholesterol; Dehydrocholesterol; delta(sup5,7)-cholesterol; delta(sup7)-cholesterol; DELTA5,7-Cholestadien-3beta-ol; delta5,7-Cholesterol; 5,7-Cholestadien-3.beta.-ol; 5,7-Cholestadien-3beta-ol; 7,8-Didehydrocholesterol

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Kodi 7-Dehydrocholesterol CAS 434-16-2 ndi chiyani?

7-Dehydrocholesterol ndi ufa woyera wa kristalo, ufa wachikasu wopepuka wa kristalo, wochotsedwa pakhungu la nkhumba. Itha kupezekanso mwa kuipitsa, kuipitsa, kuchotsa, ndi kuipitsa cholesterol. Malo osungunuka 150-151 ℃ (anhydrous). [α] 20/D-113.6 ° (chloroform). Yomwe imayikidwa mumlengalenga imakonda kusungunuka. Mankhwala opangidwa ndi saponification reaction ya 7-dehydrocholesterol. 7-dehydrocholesterol (7-DHC) ndi 5,7-conjugated diene sterol ndipo ndi chiyambi cha kupanga cholesterol.

Kufotokozera

Chinthu	Kufotokozera
Malo otentha	451.27°C (kuyerekezera koyenera)
Kuchulukana	0.9717 (chiyerekezo choyerekeza)
Malo osungunuka	148-152 °C (lit.)
Malo osungiramo zinthu	-20°C
kukana	1.5100 (chiyerekezo)

Kugwiritsa ntchito

7-Dehydrocholesterol imagwiritsidwa ntchito makamaka ngati chinthu chofunikira kwambiri popanga vitamini D3 komanso ngati chowonjezera pa chisamaliro cha khungu, chitetezo cha dzuwa, komanso zodzoladzola. 7-dehydrocholesterol (7-DHC) ndi sterol ya diene yokhala ndi 5,7-conjugated ndipo ndi chinthu chomwe chimayambitsa kupanga cholesterol. Ikakumana ndi kuwala kwa ultraviolet B (UVB), imathandizira kupanga vitamini D3. 7-dehydrocholesterol ndi muyezo wamkati wodziwira ma sterol ndipo imagwiritsidwanso ntchito ngati zinthu zina zoyeretsera.