7-Dehydrocholesterol CAS 434-16-2

CAS:434-16-2

Cov mis molecular:C27H44O

Qhov Hnyav Molecular:384.64

EINECS:207-100-5

Cov lus txhais:Dehydrocholesterol; Dehydrocholesterol; delta(sup5,7)-cholesterol; delta(sup7)-cholesterol; DELTA5,7-Cholestadien-3beta-ol; delta5,7-Cholesterol; 5,7-Cholestandien-3.beta.-ol; 5,7-Cholestandien-3beta-ol; 7,8-Didehydrocholesterol

Sau Koj Cov Lus

Cov Khoom Qhia Txog Khoom

Rub tawm

Cov Cim Npe Khoom

7-Dehydrocholesterol CAS 434-16-2 yog dab tsi?

7-Dehydrocholesterol yog ib qho hmoov dawb crystalline, ib qho hmoov daj crystalline daj, cais tawm thiab rho tawm ntawm daim tawv nqaij npua. Nws kuj tseem tuaj yeem tau txais los ntawm esterification, bromination, tshem tawm, thiab hydrolysis ntawm cov cholesterol. Melting point 150-151 ℃ (anhydrous). [α] 20 / D-113.6 ° (chloroform). Raug rau huab cua yog qhov yooj yim rau oxidation. Ib qho tshuaj nruab nrab synthesized los ntawm cov tshuaj saponification ntawm 7-dehydrocholesterol. 7-dehydrocholesterol (7-DHC) yog 5,7-conjugated diene sterol thiab yog precursor rau cholesterol biosynthesis.

Cov Lus Qhia Tshwj Xeeb

Khoom	Cov Lus Qhia Tshwj Xeeb
Kub taw tes	451.27°C (kwv yees li qub)
Qhov Ceev	0.9717 (kwv yees li qub)
Qhov kub yaj	148-152 ° C (lit.)
Cov xwm txheej cia khoom	-20°C
kev tiv taus	1.5100 (kwv yees)

Daim Ntawv Thov

7-Dehydrocholesterol feem ntau yog siv ua ib qho tseem ceeb rau kev tsim cov vitamin D3 thiab ua ib qho khoom ntxiv rau hauv kev saib xyuas tawv nqaij, kev tiv thaiv hnub, thiab cov tshuaj pleev ib ce. 7-dehydrocholesterol (7-DHC) yog 5,7-conjugated diene sterol thiab yog ib qho ua ntej rau cov roj cholesterol biosynthesis. Thaum raug rau ultraviolet B (UVB) hluav taws xob, nws pab txhawb rau kev tsim cov vitamin D3. 7-dehydrocholesterol yog ib qho qauv sab hauv rau kev txiav txim siab ntawm sterols thiab kuj siv ua lwm yam tshuaj reagents hauv chav kuaj.