7-Dehydrocholesterol CAS 434-16-2

CAS:434-16-2

Tātai rāpoi:C27H44O

Taumaha rāpoi:384.64

EINECS:207-100-5

kupu taurite:Dehydrocholesterin; 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

Waiho To Karere

Taipitopito Hua

Tikiake

Tohu Hua

He aha te 7-Dehydrocholesterol CAS 434-16-2？

Ko te 7-Dehydrocholesterol he paura tioata ma, he paura tioata kowhai marama, he mea wehe ka tangohia mai i te kiri poaka. Ka taea hoki te tiki ma te esterification, bromination, elimination, me te hydrolysis o te cholesterol. Ira whakarewa 150-151 ℃ (anhydrous). [α] 20/D-113.6 ° (chloroform). Ko te whai waahi ki te hau he ngawari ki te waikura. He takawaenga ho'oraa i synthesed e te tauhohenga saponification o 7-dehydrocholesterol. Ko te 7-dehydrocholesterol (7-DHC) he 5,7-conjugated diene sterol me te tohu mo te biosynthesis cholesterol

Whakatakotoranga

Tūemi	Whakatakotoranga
Kohuatanga	451.27°C (whakatau tata)
Kiato	0.9717 (whakatau tata)
Te rewa	148-152 °C(marama)
Nga tikanga rokiroki	-20°C
parenga	1.5100 (whakatau tata)

Taupānga

Ko te 7-Dehydrocholesterol te nuinga ka whakamahia hei takawaenga nui mo te whakahiato o te huaora D3 me te taapiri mo te tiaki kiri, te whakamarumaru ra, me nga whakapaipai. Ko te 7-dehydrocholesterol (7-DHC) he 5,7-conjugated diene sterol me te tohu mo te biosynthesis cholesterol. Ka pa ana ki te hihi ultraviolet B (UVB), ka whai waahi ki te hanga huaora D3. Ko te 7-dehydrocholesterol he paerewa o roto mo te whakatau i nga sterols ka whakamahia ano hoki hei taapiri taiwhanga.