甾体 steroidal： 甾体，是广泛存在于自然界中的一类天然化合物，包括植物甾醇、胆汁酸、C21甾类、昆虫变态激素、强心苷、甾体皂苷、甾体生物碱、蟾毒配基等。甾体化合物在结构上有一共同点，即具有环戊烷多氢菲的基本骨架结构，此外在环戊烷多氢菲母核上通常带有两个角甲基（C-10、C-13）和一个含有不同的碳原子数的侧链或含氧基团如羟基、羰基等（C-17）。“甾”字形象地表示了这类化合物的基本骨架。甾体化合物广泛存在于动植物体内，具有各种生物活性，应用广泛。
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![297-76-7|Ethynodiol diacetate|(1R,3aS,3bR,7S,9aR,9bS,11aS)-7-(acetyloxy)-1-ethynyl-11a-methyl-1H,2H,3H,3aH,3bH,4H,5H,7H,8H,9H,9aH,9bH,10H,11H,11aH-cyclopenta[a]phenanthren-1-yl acetate](https://images.chemany.com/attachments/products_new/svg/297-76-7.svg)
![1247-42-3|Meprednisone|(1R,2S,3aS,3bS,9aR,9bS,11aS)-1-hydroxy-1-(2-hydroxyacetyl)-2,9a,11a-trimethyl-1H,2H,3H,3aH,3bH,4H,5H,7H,9aH,9bH,10H,11H,11aH-cyclopenta[a]phenanthrene-7,10-dione](https://images.chemany.com/attachments/products_new/svg/1247-42-3.svg)
![434-07-1|Oxymetholone|(1S,3aS,3bR,5aS,8Z,9aS,9bS,11aS)-1-hydroxy-8-(hydroxymethylidene)-1,9a,11a-trimethyl-hexadecahydro-1H-cyclopenta[a]phenanthren-7-one](https://images.chemany.com/attachments/products_new/svg/434-07-1.svg)
![566-65-4|二氢黄体酮|(1S,3aS,3bR,5aS,9aS,9bS,11aS)-1-acetyl-9a,11a-dimethyl-hexadecahydro-1H-cyclopenta[a]phenanthren-7-one](https://images.chemany.com/attachments/products_new/svg/566-65-4.svg)
![630-56-8|己酸孕酮|(1R,3aS,3bR,9aR,9bS,11aS)-1-acetyl-9a,11a-dimethyl-7-oxo-1H,2H,3H,3aH,3bH,4H,5H,7H,8H,9H,9aH,9bH,10H,11H,11aH-cyclopenta[a]phenanthren-1-yl hexanoate](https://images.chemany.com/attachments/products_new/svg/630-56-8.svg)
![965-93-5|美曲勃龙|(1S,3aS,3bS,11aS)-1-hydroxy-1,11a-dimethyl-1H,2H,3H,3aH,3bH,4H,5H,7H,8H,9H,11aH-cyclopenta[a]phenanthren-7-one](https://images.chemany.com/attachments/products_new/svg/965-93-5.svg)
![53-43-0|去氢表雄酮|(3aS,3bR,7S,9aR,9bS,11aS)-7-hydroxy-9a,11a-dimethyl-1H,2H,3H,3aH,3bH,4H,6H,7H,8H,9H,9aH,9bH,10H,11H,11aH-cyclopenta[a]phenanthren-1-one](https://images.chemany.com/attachments/products_new/svg/53-43-0.svg)
![18339-16-7|雄烯酮|(3aS,3bR,5aS,9aS,9bS,11aR)-9a,11a-dimethyl-3H,3aH,3bH,4H,5H,5aH,6H,7H,8H,9H,9aH,9bH,10H,11H,11aH-cyclopenta[a]phenanthren-7-one](https://images.chemany.com/attachments/products_new/svg/18339-16-7.svg)
![145-13-1|孕烯醇酮|1-[(1S,3aS,3bS,7S,9aR,9bS,11aS)-7-hydroxy-9a,11a-dimethyl-1H,2H,3H,3aH,3bH,4H,6H,7H,8H,9H,9aH,9bH,10H,11H,11aH-cyclopenta[a]phenanthren-1-yl]ethan-1-one](https://images.chemany.com/attachments/products_new/svg/145-13-1.svg)
![382-44-5|4-雄烯-11β-醇-3,17-二酮|(3aS,3bS,9aR,9bS,10S,11aS)-10-hydroxy-9a,11a-dimethyl-1H,2H,3H,3aH,3bH,4H,5H,7H,8H,9H,9aH,9bH,10H,11H,11aH-cyclopenta[a]phenanthrene-1,7-dione](https://images.chemany.com/attachments/products_new/svg/382-44-5.svg)
![302-23-8|17α-羟基孕酮醋酸酯|(1R,3aS,3bR,9aR,9bS,11aS)-1-acetyl-9a,11a-dimethyl-7-oxo-1H,2H,3H,3aH,3bH,4H,5H,7H,8H,9H,9aH,9bH,10H,11H,11aH-cyclopenta[a]phenanthren-1-yl acetate](https://images.chemany.com/attachments/products_new/svg/302-23-8.svg)
![595-33-5|醋酸孕甾酮|(1R,3aS,3bR,9aR,9bS,11aS)-1-acetyl-5,9a,11a-trimethyl-7-oxo-1H,2H,3H,3aH,3bH,7H,8H,9H,9aH,9bH,10H,11H,11aH-cyclopenta[a]phenanthren-1-yl acetate](https://images.chemany.com/attachments/products_new/svg/595-33-5.svg)
![3078-34-0|6β-羟基可的松|(1R,3aS,3bS,9aR,9bS,10S,11aS)-1,5,10-trihydroxy-1-(2-hydroxyacetyl)-9a,11a-dimethyl-1H,2H,3H,3aH,3bH,4H,5H,7H,8H,9H,9aH,9bH,10H,11H,11aH-cyclopenta[a]phenanthren-7-one](https://images.chemany.com/attachments/products_new/svg/3078-34-0.svg)
![17954-98-2|22(R)-羟基胆固醇|(1R,3aS,3bS,9aR,9bS,11aS)-1-[(2S,3R)-3-hydroxy-6-methylheptan-2-yl]-9a,11a-dimethyl-1H,2H,3H,3aH,3bH,4H,6H,7H,8H,9H,9aH,9bH,10H,11H,11aH-cyclopenta[a]phenanthren-7-ol](https://images.chemany.com/attachments/products_new/svg/17954-98-2.svg)
![2140-46-7|25-羟基胆甾醇|(1R,3aS,3bS,9aR,9bS,11aR)-1-[(2R)-6-hydroxy-6-methylheptan-2-yl]-9a,11a-dimethyl-1H,2H,3H,3aH,3bH,4H,6H,7H,8H,9H,9aH,9bH,10H,11H,11aH-cyclopenta[a]phenanthren-7-ol](https://images.chemany.com/attachments/products_new/svg/2140-46-7.svg)
![601-57-0|4-胆甾烯-3-酮|(1R,3aS,3bS,9aR,9bS,11aR)-9a,11a-dimethyl-1-[(2R)-6-methylheptan-2-yl]-1H,2H,3H,3aH,3bH,4H,5H,7H,8H,9H,9aH,9bH,10H,11H,11aH-cyclopenta[a]phenanthren-7-one](https://images.chemany.com/attachments/products_new/svg/601-57-0.svg)
![53-06-5|可的松|(1R,3aS,3bS,9aR,9bS,11aS)-1-hydroxy-1-(2-hydroxyacetyl)-9a,11a-dimethyl-1H,2H,3H,3aH,3bH,4H,5H,7H,8H,9H,9aH,9bH,10H,11H,11aH-cyclopenta[a]phenanthrene-7,10-dione](https://images.chemany.com/attachments/products_new/svg/53-06-5.svg)
![79-63-0|羊毛甾醇|(1R,3aR,9aS,11aR)-3a,6,6,9a,11a-pentamethyl-1-[(2R)-6-methylhept-5-en-2-yl]-1H,2H,3H,3aH,4H,5H,5aH,6H,7H,8H,9H,9aH,10H,11H,11aH-cyclopenta[a]phenanthren-7-ol](https://images.chemany.com/attachments/products_new/svg/79-63-0.svg)
![50-23-7|氢化可的松|(1R,3aS,3bS,9aR,9bS,10S,11aS)-1,10-dihydroxy-1-(2-hydroxyacetyl)-9a,11a-dimethyl-1H,2H,3H,3aH,3bH,4H,5H,7H,8H,9H,9aH,9bH,10H,11H,11aH-cyclopenta[a]phenanthren-7-one](https://images.chemany.com/attachments/products_new/svg/50-23-7.svg)
![81-23-2|去氢胆酸|(4R)-4-[(1R,3aS,3bR,5aS,9aS,9bS,11aR)-9a,11a-dimethyl-4,7,11-trioxo-hexadecahydro-1H-cyclopenta[a]phenanthren-1-yl]pentanoic acid](https://images.chemany.com/attachments/products_new/svg/81-23-2.svg)
![83-49-8|猪去氧胆酸|(4R)-4-[(1R,3aS,3bS,5S,5aR,7R,9aR,9bS,11aR)-5,7-dihydroxy-9a,11a-dimethyl-hexadecahydro-1H-cyclopenta[a]phenanthren-1-yl]pentanoic acid](https://images.chemany.com/attachments/products_new/svg/83-49-8.svg)
![57-88-5|胆固醇|(1R,3aS,3bS,7S,9aR,9bS,11aR)-9a,11a-dimethyl-1-[(2R)-6-methylheptan-2-yl]-1H,2H,3H,3aH,3bH,4H,6H,7H,8H,9H,9aH,9bH,10H,11H,11aH-cyclopenta[a]phenanthren-7-ol](https://images.chemany.com/attachments/products_new/svg/57-88-5.svg)
![434-13-9|石胆酸|(4R)-4-[(1R,3aS,3bR,5aR,7R,9aS,9bS,11aR)-7-hydroxy-9a,11a-dimethyl-hexadecahydro-1H-cyclopenta[a]phenanthren-1-yl]pentanoic acid](https://images.chemany.com/attachments/products_new/svg/434-13-9.svg)
![560-62-3|9-羟基雄烯二酮|(3aS,3bS,9aS,9bR,11aS)-9b-hydroxy-9a,11a-dimethyl-1H,2H,3H,3aH,3bH,4H,5H,7H,8H,9H,9aH,9bH,10H,11H,11aH-cyclopenta[a]phenanthrene-1,7-dione](https://images.chemany.com/attachments/products_new/svg/560-62-3.svg)