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L-天门冬氨酸
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更新时间:2016-06-13  |  阅读:1264

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L-天门冬氨酸
L-Aspartic acid
Cas 号: 【56-84-8】 M D L: MFCD00002616
L-天门冬氨酸分子式: C4H7NO4; HO2CCH2CH(NH2)CO2H 分子量: 133.1
别 名: L-天冬氨酸,L-氨基丁二酸,L-氨基琥珀酸,L-门冬氨酸
(S)-(+)-Aminosuccinic acid
(S)-Aminobutanedioic acid
(S)-Aminosuccinic Acid
H-Asp-OH
L-Asparaginic Acid
L(+)-Aspartic acid
用于细胞或植物细胞培养, ≥99% (T) 100g
用于细胞或植物细胞培养, ≥99% (T) 500g
99% 25g
99% 100g
99% 500g
99% 2.5kg
性 状: 叶片状或条状,微溶于水,易成过饱和溶液。溶于酸和碱。几乎不溶于醇。溶解度:5 G/L 水 (25°C),2.1 G/L 水 (0°C),8.5 G/L 水 (40°C),28.7 G/L 水 (75°C),16 MG/100 ML 乙醇 (25°C)。
熔点: 230 °C
[a]20/D: 25° (c=8, 6N HCl)
质量标准: 99%:
外观Appearance 白色结晶或结晶粉末
红外光谱鉴别Infrared spectrometry 和对照品匹配
纯度Purity >99.0% (NT)
干燥损失Loss on drying <0.5 % (105°C, 3 小时)
比旋光度Specific rotation [a]20/D +24.0 ~ +26 °(c=8, 6 N HCl)
重金属Heavy metals (as Pb) <10 ppm
optical purity ee: 98% (GLC)
其它氨基酸Other amino acids <0.2 % (TLC)
氯根Cl < 100 ppm
铁Fe < 10 ppm
铵根NH4 < 100 ppm
品级Grade 细胞培养和昆虫植物细胞培养级
(for cell culture and insect cell culture )
外观Appearance 白色至类白色粉末
红外光谱鉴别Infrared spectrometry Conforms
纯度Purity ≥99.0% (T)
盐酸溶解试验solubility in HCL 50 mg/ml in 0.5 M 盐酸,clear
细胞培养测试Cell culture test pass
昆虫细胞培养测试Insect cell culture test pass
贮 存: 密闭保存。
用途 主要的神经递质,使快速突触兴奋
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