L-多巴/3-羟基-L-酪氨酸/L-β-(3,4-二羟基苯)丙氨酸/L-3-(3,4-二羟基苯)丙氨酸/左多巴/3-(3,4-二羟基苯)-L-丙氨酸/β-[3,4-二羟苯基]L-初油氨基酸/L-Dopa BR,98% 10克 sigma分装 59-92-7 2~8℃,避光
100克 sigma分装
1公斤 sigma分装
中文名称: L-多巴
其他中文名称: 3-羟基-L-酪氨酸;L-β-(3,4-二羟基苯)丙氨酸;L-3-(3,4-二羟基苯)丙氨酸;左多巴;3-(3,4-二羟基苯)-L-丙氨酸;β-[3,4-二羟苯基]L-初油氨基酸
英文名称: L-Dopa
L-多巴/3-羟基-L-酪氨酸其他英文名称: 3-(3,4-Dihydroxyphenyl)-L-alanine;Levodopa;3-Hydroxy-L-tyrosine,;2-Amino-3(3,4-dihydroxyphenyl)propanoic acid;β-(3,4-Dihydroxyphenyl)-L-alanine;Bendopa;Deadopa
产品规格: BR,98%
包装:10克/100克/500克
CAS号:59-92-7
C9H11NO4=197.19
级别:BR
含量:≥98.0%
L-多巴/3-羟基-L-酪氨酸干燥失重:≤5.0%
灼烧残渣:≤5.0%
砷盐:≤3ppm
重金属:≤8ppm
形状:结晶性粉末。是非蛋白氨基酸。L构型,熔点276~278℃(分解)。旋光度-13.1°(c=5.12,1mol/L盐酸),易溶于稀盐酸与甲酸,微溶于水,不溶于乙醇、苯、氯仿与乙酸乙酯,无臭,无味,在空气中变黑。在动物体内,多巴经多巴脱羧酶的作用转化为多巴胺
用途:生化研究。酪氨酸酶(tyrosinase)、芳香族L-氨基酸脱羧酶(decarboxylase)和乳过氧化物酶(lactoperoxidase)的底物
保存:2~8℃,避光
备注:以上描述,仅作参考,并不表示您收到的产品,与此项描述完全相符,产品的出厂标准,请参见质量标准。
我们用优质的服务赢得广大客户的认可和支持,我们长期供货的客户有:上海应用技术学院、大连大学、湖北鄂州市中心医院、西南大学、浙江精慧尔生物科技有限公司、中南民族大学、郑州宏润堂公司、天津科技大学、上海交通大学、杭州师范大学、广西医科大学、江南大学、河北科技师范学院、东北大学、浙江工业大学等科研单位。
包装规格:mg、g、ml等规格,公司可根据客户要求包装。
L-多巴/3-羟基-L-酪氨酸储存条件:避光、干燥阴凉处封闭贮存,严禁与有毒、有害物品混放、混运。本品为非危险品,可按一般化学品运输,轻搬动轻放,防止日晒、雨淋。
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