详情介绍
L-天冬酰胺(一水物)
L-Asparagine Monohydrate
Cas 号: 【5794-13-8】 M D L: MFCD00151038
L-天冬酰胺(一水物)分子式: C4H8N2O3.H2O;NH2COCH2CH(NH2)COOH·H2O 分子量: 150.13
别 名: L-天冬碱,L-天冬素,L-酰胺天冬酸,L-天门冬酰胺,L-2-氨基琥珀酸酰胺
(S)-(+)-2-Aminosuccinamic acid
(S)-2-Aminosuccinic acid 4-amide
L-Aspartic acid 4-amide
L-Asparagine monohydrate
L-2-Aminosuccinamic acid
L-Asparagine
99% 500g
99% 100g
性 状: 白色结晶,无臭。无气味。溶于酸和碱溶液,微溶于水,水中溶解度:30 G/L (20°C),几乎不溶于甲醇、乙醇、甲醇和苯。
熔点:233-235℃
[α]20D 31 ° (C=10, 6N HCl )
质量标准: 外观Appearance 白色结晶粉末
纯度Purity ≥99.0% (NT)
比旋光度Specific rotation [a]20/D +30° ~ +33°(c=10, 6 N HCl)
重金属Heavy metals (as Pb) <10 ppm
其它氨基酸Other amino acids <1 % (TLC)
干燥损失Loss on drying 11.5 % ~ 12.5 %
氯化物(Cl)Chloride < 210 PPM
砷Arsenic < 1 PPM
铁Iron(Fe) < 10 PPM
透光度Transmittance >98 % (c=2, H2O, 430 nm) 1 cm cell
贮 存: 密封避光保存。
用途 微生物培养。多肽合成。测转氨酶底物。结核菌培养。生物培养基制备
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