7-脱氢链甾醇

7-脱氢链甾醇（英語：7-Dehydrodesmosterol，或称为胆甾-5,7,24-三烯-3β-醇，cholesta-5,7,24-trien-3-beta-ol）是一种胆固醇代谢的中间产物^[2]。

7-脱氢链甾醇
IUPAC名 (3S,9S,10R,13R,14R,17R)-10,13-Dimethyl-17-[(2R)-6-methylhept-5-en-2-yl]-2,3,4,9,11,12,14,15,16,17-decahydro-1H-cyclopenta[a]phenanthren-3-ol
别名	24-Dehydroprovitamin D3; Cholest-5Z,7Z,24-trien-3β-ol
识别
CAS号	1715-86-2
PubChem	440558
ChemSpider	389458
SMILES	C[C@H](CCC=C(C)C)[C@H]1CC[C@@H]2[C@@]1(CC[C@H]3C2=CC=C4[C@@]3(CC[C@@H](C4)O)C)C
InChI	1/C27H42O/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/h7,9-10,19,21,23-25,28H,6,8,11-17H2,1-5H3/t19-,21+,23-,24+,25+,26+,27-/m1/s1
InChIKey	RUSSPKPUXDSHNC-DDPQNLDTBA
ChEBI	27910
性质
化学式	C27H42O
摩尔质量	382.62 g/mol g·mol⁻¹
熔点	102－102.5 °C（375.1－375.6 K）^[1]
若非注明，所有数据均出自标准状态（25 ℃，100 kPa）下。

参考文献

1. Terence J. Scallen. Chemical synthesis of cholesta-5,7,24-trien-3β-ol and demonstration of its conversion to cholesterol in the rat. Biochemical and Biophysical Research Communications. 1965-10, 21 (2): 149–155 [2020-06-20]. doi:10.1016/0006-291X(65)90101-4. （原始内容于2018-07-01） （英语）. 
2. Nowaczyk, MJM; Waye, JS. The Smith-Lemli-Opitz syndrome: A novel metabolic way of understanding developmental biology, embryogenesis, and dysmorphology. Clinical Genetics. 2001, 59 (6): 375–86. PMID 11453964. doi:10.1034/j.1399-0004.2001.590601.x.