Pyrazine 약자
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Pyrazine 약자
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TīmeklisIUPAC name Pyrazine. 1,4-Diazabenzene, p-Diazine, 1,4-Diazine, Paradiazine, Piazine, UN 1325. Identifiers; CAS number: 290-37-9 : PubChem: 9261: ChemSpider Tīmeklis2024. gada 4. janv. · Chemsrc provides Pyrazine(CAS#:290-37-9) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. Articles of Pyrazine are included as well.
TīmeklisPyrazinamide - 새창 A pyrazine that is used therapeutically as an antitubercular agent. Pyrazinamide is most active during the first 2 (3) months of therapy. The daily dose … TīmeklisPortaal. Scheikunde. Pyrazine is een heterocyclische aromatische verbinding, die bestaat uit een zesring met vier koolstof- en twee stikstofatomen. De stikstofatomen staan tegenover elkaar en daarom is de molecule symmetrisch, in tegenstelling tot de isomeren pyrimidine en pyridazine . Pyrazines zijn uit pyrazine afgeleide stoffen.
TīmeklisPyrazine is a 1,4-diazine and an electron-deficient N-heteroarene found in several natural products, APIs, agrochemicals, and functional materials. Purification Methods … TīmeklisPyrazine definition at Dictionary.com, a free online dictionary with pronunciation, synonyms and translation. Look it up now!
Tīmeklis吡 ( bǐ ) 嗪 ( qín ) (英語: Pyrazine )是1,4位含两个杂氮原子的杂环化合物,化學式為C 4 H 4 N 2 。 与嘧啶和哒嗪互为同分异构体。 具有较弱的芳香性,与吡啶 …
Tīmeklis2024. gada 4. janv. · 吡嗪 (290-37-9)两个氮原子占1,2两位的称为哒嗪;占1,3两位的称为嘧啶,它们都是吡嗪的 同分异构体。. 吡嗪是无色晶体,熔点54℃,沸 … jem 2100plusTīmeklis「ピラジン」。富士フイルム和光純薬株式会社は、試験研究用試薬・抗体の製造販売および各種受託サービスを行っています。先端技術の研究から、ライフサイエンス関連、有機合成用や環境測定用試薬まで、幅広い分野で多種多様なニーズに応えています。 jem 1g tipTīmeklisPyrazin ist ein farbloser, leicht entzündlicher Feststoff, der löslich in Wasser, Ethanol und Diethylether ist. [1] Er besitzt eine orthorhombische Kristallstruktur mit der … jem 1980 cartoonTīmeklis2024. gada 1. sept. · The presence of earthy-musty odors in drinking water is a major concern for water suppliers and consumers worldwide. While geosmin and 2 … jem 2100 plusTīmeklis2016. gada 23. apr. · 实际上,吡嗪(pyrazine)是一个大类,分子式C4H4N2。在自然界中,其纯品很少存在,而常以化合物的方式出现,下面其衍生物有很多种类,比如二苯并吡嗪、吩嗪、四甲基吡嗪、2-甲基-3甲氧基吡嗪等等。 jem27kwhTīmeklis吡 ( ㄅㄧˋ ) 𠯤 ( ㄑㄧㄣˊ ) (英語: Pyrazine )是1,4位含兩個雜氮原子的雜環化合物,化學式為C 4 H 4 N 2 。 與嘧啶和嗒 𠯤 互為同分異構物。 具有較弱的芳香性,與 … jem 1 j\u0027aime l\u0027eternelTīmeklis2007. gada 31. okt. · Pyrazines are very important impact aroma compounds in Chinese liquors. The identification of pyrazine derivatives was carried out by liquid–liquid … lainarauma