N-Desmethyl Sildenafil|139755-82-1|(Desmethylsildenafil; UK-103,320)-陌孚医药/Medlife

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N-Desmethyl Sildenafil (Synonyms: Desmethylsildenafil; UK-103,320)

目录号: PL09738 纯度: ≥99%

CAS No. :139755-82-1

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中文名称	N-Desmethyl Sildenafil
中文别名	N-去甲基西地那非;N-脱甲基西地那非;枸橼酸西地那非杂质标准品;西地那非EP杂质F摩科品牌生产供应139755-82-1
英文名称	N-Desmethyl Sildenafil
英文别名	7H-Pyrazolo[4,3-d]pyrimidin-7-one,5-[2-ethoxy-5-(1-piperazinylsulfonyl)phenyl]-1,6-dihydro-1-methyl-3-propyl-;5-(2-Ethoxy-5-(piperazin-1-ylsulfonyl)phenyl)-1-methyl-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-7(6H)-one;DESMETHYL SILDENAFIL;7H-Pyrazolo[4,3-d]pyrimidin-7-one,5-[2-ethoxy-5-(1-piperazinylsulfonyl)phenyl]-1,6-dihydro-1-m...;N-Desmethyl Sildenafil;N-Desmethyl Sildenafil NEW;N-DESMETHYL SILDENAFIL-D8;5-(2-ethoxy-5-piperazin-1-ylsulfonylphenyl)-1-methyl-3-propyl-4H-pyrazolo[4,3-d]pyrimidin-7-one;5-(2-ethoxy-5-(piperazin-1-ylsulfonyl);desmethylsildenafil;L6WO34R9YG;N-Demethylsildenafil;N-Desmethylsildenafil;5-(2-ethoxy-5-piperazin-1-ylsulfonylphenyl)-1-methyl-3-propyl-6H-pyrazolo[4,3-d]pyrimidin-7-one;BDBM50287543;N-Desmeth
Cas No.	139755-82-1
分子式	C₂₁H₂₈N₆O₄S
分子量	460.55
包装储存	Powder -20°C 3 years；4°C 2 years

产品详情	N-Desmethyl Sildenafil (Desmethylsildenafil) 是 Sildenafil 的主要代谢物。Sildenafil 是一种有效的 5 型磷酸二酯酶 (PDE5) 抑制剂。
生物活性	N-Desmethyl Sildenafil (Desmethylsildenafil) is a major metabolite of Sildenafil. Sildenafil is a potent phosphodiesterase type 5 (PDE5) inhibitor.
性状	Solid
体外研究(In Vitro)	N-Desmethyl Sildenafil increases the amplitude of electroretinogram (ERG) recorded from the dark-adapted isolated rat retina, most probably through the enhancement of the photoreceptor cell response. The formation of N-Desmethyl Sildenafil is examined using CYP3A supersomes co-expressing human P450 oxidoreductase and cytochrome b5. N-Desmethyl Sildenafil is catalyzed by CYP3A4, CYP3A5, and to a lesser extent by CYP3A7. has not independently confirmed the accuracy of these methods. They are for reference only.
运输条件	Room temperature in continental US; may vary elsewhere.
储存方式	Powder -20°C 3 years；4°C 2 years
参考文献	[1]. Péter Barabás, et al. Sildenafil, N-desmethyl-sildenafil and Zaprinast enhance photoreceptor response in the isolated rat retina. Neurochem Int. 2003 Nov;43(6):591-5. [2]. Rikako Takahiro, et al. Contribution of CYP3A isoforms to dealkylation of PDE5 inhibitors: a comparison between sildenafil N-demethylation and tadalafil demethylenation. Biol Pharm Bull. 2015;38(1):58-65.

溶解度数据	In Vitro: DMSO : 250 mg/mL (542.83 mM; Need ultrasonic)配制储备液

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1：一般建议：溶解度为Medlife测试数据，可能与文献描述存在差异。这是由于生产工艺和批次不同产生的正常现象。为了使其更好的溶解，请用37℃加热试管并在超声波水浴中震动片刻。不同批次产品溶解度各有差异，仅做参考，具体以实验方案为准。

2：储存条件：粉末-20°C一般情况可以保存3年，溶于溶剂-80°C一般情况可以保存1年。不同产品及不同批次产品可能存在差异，请细致阅读产品信息，并辅助参考相关文献描述。

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