苯并芘
苯并芘（英语：Benzopyrene）是苯与芘稠合而成的一类多环芳香烃。根据稠合的位置不同，可以有苯并[a]芘和苯并[e]芘等多种异构体，这些名称来源于IUPAC命名法中对芘分子环中各化学键的编号（见右图）。
最常见的苯并芘是苯并[a]芘。它是一种致癌物质和突变原。[1][2]
| 同分异构体 | 分子式 | CAS编号 | 结构 |
|---|---|---|---|
| 苯并[a]芘 | C20H12 | 50-32-8 | 
|
| 2H-苯并[cd]芘 | C19H12 | 191-32-2 | pyrene.svg)
|
| 3H-苯并[cd]芘 | C19H12 | 191-35-5 | pyrene.svg)
|
| 6H-苯并[cd]芘，亦称奥林匹克烯 | C19H12 | 191-33-3 | 
|
| 苯并[e]芘 | C20H12 | 192-97-2 | pyrene_200.svg)
|
参考资料
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