详情介绍
L-酪氨酸
L-Tyrosine
Cas 号: 【60-18-4】 M D L: MFCD00002606
L-酪氨酸分子式: C9H11NO3;4-(HO)C6H4CH2CH(NH2)CO2H 分子量: 181.19
别 名: L-β-对羟基苯基丙氨酸,L-苯酚氨基丙酸,L-β-对羟苯基-α-氨基丙酸,L-干酪氨基酸
(S)-2-Amino-3-(4-hydroxyphenyl)propionic acid
3-(4-Hydroxyphenyl)-L-alanine
99% 25g
99% 100g
99% 500g
性 状: 白色结晶或结晶性粉末,无臭,无味,溶于酸或碱性溶液中,微溶于沸水,不溶于无水乙醇及丙酮。水中溶解度:0.45 g/L (25°C)。
熔点: 290-294 °C
闪点: 176 °C
质量标准: 外观Appearance 白色结晶粉末
红外光谱鉴别Infrared spectrometry 和对照品匹配
纯度Purity >99.0% (以干基计)
干燥损失Loss on drying <0.5 % (1 g, 105°C)
重金属Heavy metals (as Pb) <10 ppm
比旋度Specific rotation [a]20/D -9.8° ~ -12.3°(c=5)
(稀盐酸/H2O : 50/50) 以无水物计
Cl < 400 ppm
SO4 < 300 ppm
NH4 < 200 ppm
Fe < 10 ppm
贮 存: 密封避光保存。
用途 生化研究。测定氨基酸中氮的标准。制备组织培养基。用米隆反应(蛋白质呈色反应)进行比色定量分析。是合成多种肽类激素、抗生素等药物的主要原料,广泛用于农业科学研究,也可作为饲料添加剂和配制人工昆虫饲料。
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