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左旋多巴

更新時間:2016-06-15

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左旋多巴,我們提供多級別、多規格、不同包裝的生化試劑,溫馨提示,公司生化試劑用于科研,不用于臨床實驗。

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左旋多巴
L-dopa
Cas 號: 【59-92-7】 M D L: MFCD00002598
左旋多巴分子式: C9H11NO4;(HO)2C6H3CH2CH(NH2)CO2H 分子量: 197.19
別 名: L-多巴,L-3-(3,4-二羥苯基)丙氨酸,,3-羥基-L-酪氨酸
L-3-Hydroxytyrosine
3-(3,4-Dihydroxyphenyl)-L-alanine
Levodopa
3,4-Dihydroxy-L-phenylalanine
99% 25g
99% 100g
性 狀: 系非蛋白氨基酸。L構型,自水中得無色針狀結晶。易溶于稀鹽酸與甲酸,溶于水,不溶于乙醇、苯、氯仿與乙酸乙酯。在動物體內,多巴經多巴脫羧酶的作用轉化為多巴胺。
熔點:276~278℃(分解)
旋光度[α]20D:-13.1°(c=5.12,1mol/L鹽酸)
質量標準: 外觀Appearance 白色至乳白色結晶粉末
紅外光譜鑒別Infrared spectrometry 和對照品匹配
純度Purity ≥99.0% (HPLC)
比旋光度Specific rotation [a]20/D -11.5 ~ -13.5°(c=5.12,1mol/L鹽酸)
干燥損失Loss on drying <1 %
用途 多巴與多巴胺為重要的神經介質。為酪氨酸酶(tyrosinase)、芳香族L-氨基酸脫羧酶(decarboxylase)和乳過氧化物酶
(lactoperoxidase)的底物。
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α2-纖溶酶抑制因子(α2PI)檢測試劑盒(酶聯免疫吸附試驗法) ELISA Kit for Alpha-2-Plasmin Inhibitor (a2PI) X09311 48T/96T Homo sapiens (Human)
泛素(Ub)檢測試劑盒(酶聯免疫吸附試驗法) ELISA Kit for Ubiquitin (Ub) X09312 48T/96T Homo sapiens (Human)
半乳糖苷酶β(GLβ)檢測試劑盒(酶聯免疫吸附試驗法)
 ELISA Kit for Galactosidase Beta (GLb) X09313 48T/96T Homo sapiens (Human)
 

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