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L-纈氨酸

更新時間:2016-06-03

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L-纈氨酸,關于產品的Cas號、分子式、分子量、性狀、熔點等化學及物理性質,貯存、用途等具體信息,可向我們生化試劑專業銷售人員索取,紙質說明書,我們隨貨發出。

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L-纈氨酸
L-Valine
Cas 號: 【72-18-4】 M D L: MFCD00064220
L-纈氨酸分子式: C5H11NO2;(CH3)2CHCH(NH2)CO2H 分子量: 117.15
別 名: L-2-氨基-3-甲基丁酸
(S)-α-Aminoisovaleric acid
L-2-Amino-3-methylbutanoic acid
99% 500g
99% 100g
99% 25g
99% 5g
性 狀: 白色結晶體或結晶粉末。無氣味。有特殊味。能升華。溶于水、無機酸,幾乎不溶于冷乙醇、氯仿和丙酮。水中溶解度:85 g/l (20°C),
密度:1.230
熔點:315℃(封管)
質量標準: 外觀Appearance 白色粉末
紅外光譜鑒別Infrared spectrometry 和對照品匹配
純度Purity ≥99.0%
干燥失重Loss on drying <0.2 %
重金屬Heavy metals (as Pb) <10 ppm
比旋度Specific rotation [a]20/D +27° - +29° (c=8, 6 N HCl)
痕量分析Trace analysis :
Cl < 200 ppm
SO4 < 300 ppm
NH4 < 200 ppm
Fe < 10 ppm
其它氨基酸Foreign amino acids <0.5 %
溶解性Appearance of solution (5% 溶解在10% HCl) 無色透明
貯 存: 密封陰涼保存。
用途 配制組織培養基。
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