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Levonorgestrel

Reference Materials
Item No.21999
CAS Number:797-63-7
Purity:98%
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Basic information and product description
CAS number
797-63-7
Item number
21999
Chinese name
左炔诺孕酮
English name
Levonorgestrel
Chinese alias
D(–)-炔诺孕酮;
English alias
D-Norgestrel;
SMILES
CCC12CCC3C(C1CCC2(C#C)O)CCC4=CC(=O)CCC34
Chemical name
Molecular formula
C21H28O2
Molecular weight
312.45
Purity
98%
Delivery
惯例下常温包邮
Product Description

左炔诺孕酮是一种人工制造的激素，用于多种避孕方法。以药丸的形式，它在120小时内可用作紧急避孕。性爱后的时间越长，它的效果就越差，只有在怀孕前才有效。它还与雌激素结合制成口服避孕药。在宫内节育器内，它对长期预防怀孕是有效的。一种可植入的左炔诺孕酮也在一些国家上市。

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