| ??? ????? |
7-Dehydrocholesterol |
| ??? ??????? |
7-Dehydrocholesterol; Provitamine; 7,8-didehydrocholesterol; cholesta-5,7-dien-3-beta-ol; Provitamin D3; cholesta-5,7-dien-3-ol; (3beta)-cholesta-5,7-dien-3-ol |
| ????? ???????? |
C27H44O |
| ??? ??????? |
384.6377 |
| InChI |
InChI=1/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/h9-10,18-19,21,23-25,28H,6-8,11-17H2,1-5H3/t19-,21+,23-,24+,25+,26+,27-/m1/s1 |
| ????? ?????? |
434-16-2 |
| ????? ??????? ??????? |
207-100-5 |
| ?????? ??????? |
|
| ????? |
1g/cm3 |
| ???? ??? |
147-151℃ |
| ???? ????? |
493.7°C at 760 mmHg |
| ???? ???? |
1.535 |
| ???? ?????? |
212.3°C |
| ?????? ?? |
insoluble |
| ???? ???? |
8.08E-12mmHg at 25°C |
| ??????? ????? |
S24/25:;
|
|