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左旋多巴
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更新时间:2016-06-15  |  阅读:1258

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左旋多巴
L-dopa
Cas 号: 【59-92-7】 M D L: MFCD00002598
左旋多巴分子式: C9H11NO4;(HO)2C6H3CH2CH(NH2)CO2H 分子量: 197.19
别 名: L-多巴,L-3-(3,4-二羟苯基)丙氨酸,,3-羟基-L-酪氨酸
L-3-Hydroxytyrosine
3-(3,4-Dihydroxyphenyl)-L-alanine
Levodopa
3,4-Dihydroxy-L-phenylalanine
99% 25g
99% 100g
性 状: 系非蛋白氨基酸。L构型,自水中得无色针状结晶。易溶于稀盐酸与甲酸,溶于水,不溶于乙醇、苯、氯仿与乙酸乙酯。在动物体内,多巴经多巴脱羧酶的作用转化为多巴胺。
熔点:276~278℃(分解)
旋光度[α]20D:-13.1°(c=5.12,1mol/L盐酸)
质量标准: 外观Appearance 白色至乳白色结晶粉末
红外光谱鉴别Infrared spectrometry 和对照品匹配
纯度Purity ≥99.0% (HPLC)
比旋光度Specific rotation [a]20/D -11.5 ~ -13.5°(c=5.12,1mol/L盐酸)
干燥损失Loss on drying <1 %
用途 多巴与多巴胺为重要的神经介质。为酪氨酸酶(tyrosinase)、芳香族L-氨基酸脱羧酶(decarboxylase)和乳过氧化物酶
(lactoperoxidase)的底物。
微管关联蛋白2(MAP2)检测试剂盒(酶联免疫吸附试验法) ELISA Kit for Microtubule Associated Protein 2 (MAP2) X09248 48T/96T Homo sapiens (Human)
黑色素瘤关联ME20(ME20M)检测试剂盒(酶联免疫吸附试验法) ELISA Kit for Melanoma Associated ME20 (ME20M) X09249 48T/96T Homo sapiens (Human)
套膜蛋白(iNV)检测试剂盒(酶联免疫吸附试验法) ELISA Kit for Involucrin (iNV) X09250 48T/96T Homo sapiens (Human)
鸟氨酸脱羧酶(ODC)检测试剂盒(酶联免疫吸附试验法) ELISA Kit for Ornithine Decarboxylase (ODC) X09251 48T/96T Homo sapiens (Human)
粘着斑激酶(FAK)检测试剂盒(酶联免疫吸附试验法) ELISA Kit for Focal Adhesion Kinase (FAK) X09252 48T/96T Homo sapiens (Human)
微管关联蛋白6(MAP6)检测试剂盒(酶联免疫吸附试验法) ELISA Kit for Microtubule Associated Protein 6 (MAP6) X09253 48T/96T Homo sapiens (Human)
弹性蛋白(ELN)检测试剂盒(酶联免疫吸附试验法) ELISA Kit for Elastin (ELN) X09254 48T/96T Homo sapiens (Human)
晚期糖基化终末产物(AGE)检测试剂盒(酶联免疫吸附试验法) ELISA Kit for Advanced Glycation End Product (AGE) X09255 48T/96T General
芳香烃受体(AhR)检测试剂盒(酶联免疫吸附试验法) ELISA Kit for Aryl Hydrocarbon Receptor (AhR) X09256 48T/96T Homo sapiens (Human)
花生四烯酸-5-脂加氧酶(ALOX5)检测试剂盒(酶联免疫吸附试验法) ELISA Kit for Arachidonate-5-Lipoxygenase (ALOX5) X09257 48T/96T Homo sapiens (Human)
花生四烯酸-15-脂加氧酶B(ALOX15B)检测试剂盒(酶联免疫吸附试验法) ELISA Kit for Arachidonate-15-Lipoxygenase, Type B (ALOX15B) X09258 48T/96T Homo sapiens (Human)
细胞外信号调节激酶1(ERK1)检测试剂盒(酶联免疫吸附试验法) ELISA Kit for Extracellular Signal Regulated Kinase 1 (ERK1) X09259 48T/96T Homo sapiens (Human)
凋亡信号调节激酶I(ASK1)检测试剂盒(酶联免疫吸附试验法) ELISA Kit for Apoptosis Signal Regulating Kinase 1 (ASK1) X09260 48T/96T Homo sapiens (Human)
酸性神经鞘磷脂酶(ASM)检测试剂盒(酶联免疫吸附试验法) ELISA Kit for Acid Sphingomyelinase (ASM) X09261 48T/96T Homo sapiens (Human)
毛细血管扩张性共济失调突变因子(ATM)检测试剂盒(酶联免疫吸附试验法) ELISA Kit for Ataxia angiectasia Mutated (ATM) X09262 48T/96T Homo sapiens (Human)
精氨酸加压素受体1A(AVPR1A)检测试剂盒(酶联免疫吸附试验法) ELISA Kit for Arginine Vasopressin Receptor 1A (AVPR1A) X09263 48T/96T Homo sapiens (Human)
原钙黏素1(PCDH1)检测试剂盒(酶联免疫吸附试验法) ELISA Kit for Protocadherin 1 (PCDH1) X09264 48T/96T Homo sapiens (Human)
乳腺癌易感蛋白2(BRCA2)检测试剂盒(酶联免疫吸附试验法) ELISA Kit for Breast Cancer Susceptibility Protein 2 (BRCA2) X09265 48T/96T Homo sapiens (Human)
葡萄糖激酶调节蛋白(GKRP)检测试剂盒(酶联免疫吸附试验法) ELISA Kit for Glucokinase Regulatory Protein (GKRP) X09266 48T/96T Homo sapiens (Human)
Bcl2关联X蛋白(Bax)检测试剂盒(酶联免疫吸附试验法) ELISA Kit for Bcl2 Associated X Protein (Bax) X09267 48T/96T Sus scrofa; Porcine (Pig)
B-细胞淋巴瘤因子2(Bcl2)检测试剂盒(酶联免疫吸附试验法) ELISA Kit for B-Cell Leukemia/Lymphoma 2 (Bcl2) X09268 48T/96T Sus scrofa; Porcine (Pig)
凋亡相关因子(FAS)检测试剂盒(酶联免疫吸附试验法) ELISA Kit for Factor Related Apoptosis (FAS) X09269 48T/96T Sus scrofa; Porcine (Pig)
血管内皮钙黏蛋白(CDH5)检测试剂盒(酶联免疫吸附试验法) ELISA Kit for Cadherin 5 (CDH5) X09270 48T/96T Homo sapiens (Human)
血管内皮钙黏蛋白(CDH5)检测试剂盒(酶联免疫吸附试验法) ELISA Kit for Cadherin 5 (CDH5) X09271 48T/96T Sus scrofa; Porcine (Pig)
血管内皮生长因子受体2(VEGFR2)检测试剂盒(酶联免疫吸附试验法) ELISA Kit for Vascular Endothelial Growth Factor Receptor 2 (VEGFR2) X09272 48T/96T Homo sapiens (Human)
血管内皮生长因子受体2(VEGFR2)检测试剂盒(酶联免疫吸附试验法) ELISA Kit for Vascular Endothelial Growth Factor Receptor 2 (VEGFR2) X09273 48T/96T Sus scrofa; Porcine (Pig)
肝配蛋白A受体1(EPHA1)检测试剂盒(酶联免疫吸附试验法) ELISA Kit for Ephrin Type A Receptor 1 (EPHA1) X09274 48T/96T Homo sapiens (Human)
肝配蛋白A受体1(EPHA1)检测试剂盒(酶联免疫吸附试验法) ELISA Kit for Ephrin Type A Receptor 1 (EPHA1) X09275 48T/96T Sus scrofa; Porcine (Pig)
乳酸脱氢酶A(LDHA)检测试剂盒(酶联免疫吸附试验法) ELISA Kit for Lactate Dehydrogenase A (LDHA) X09276 48T/96T Homo sapiens (Human)
转醛缩酶(TALDO1)检测试剂盒(酶联免疫吸附试验法) ELISA Kit for Transaldolase (TALDO1) X09277 48T/96T Homo sapiens (Human)
鳞状细胞癌抗原1(SCCA1)检测试剂盒(酶联免疫吸附试验法) ELISA Kit for Squamous Cell Carcinoma Antigen 1 (SCCA1) X09278 48T/96T Homo sapiens (Human)
防御素β1(DEFβ1)检测试剂盒(酶联免疫吸附试验法) ELISA Kit for Defensin Beta 1 (DEFb1) X09279 48T/96T Rattus norvegicus (Rat)
小核糖核蛋白多肽C(SNRPC)检测试剂盒(酶联免疫吸附试验法) ELISA Kit for Small Nuclear Ribonucleoprotein Polypeptide C (SNRPC) X09280 48T/96T Homo sapiens (Human)
γ-谷氨酰转移酶1(γGT1)检测试剂盒(酶联免疫吸附试验法) ELISA Kit for Gamma-Glutamyltransferase 1 (gGT1) X09281 48T/96T Homo sapiens (Human)
乳腺癌易感蛋白1(BRCA1)检测试剂盒(酶联免疫吸附试验法) ELISA Kit for Breast Cancer Susceptibility Protein 1 (BRCA1) X09282 48T/96T Homo sapiens (Human)
间羟肾上腺素(MN)检测试剂盒(酶联免疫吸附试验法) ELISA Kit for Metanephrine (MN) X09283 48T/96T General
垂草扁桃酸(VMA)检测试剂盒(酶联免疫吸附试验法) ELISA Kit for Vanillylmandelic Acid (VMA) X09284 48T/96T General
中性粒细胞明胶酶关联脂质运载蛋白(NGAL)检测试剂盒(酶联免疫吸附试验法) ELISA Kit for Neutrophil Gelatinase Associated Lipocalin (NGAL) X09285 48T/96T Rattus norvegicus (Rat)
中性粒细胞明胶酶关联脂质运载蛋白(NGAL)检测试剂盒(酶联免疫吸附试验法) ELISA Kit for Neutrophil Gelatinase Associated Lipocalin (NGAL) X09286 48T/96T Mus musculus (Mouse)
糖抗原72-4(CA72-4)检测试剂盒(酶联免疫吸附试验法) ELISA Kit for Carbohydrate Antigen 72-4 (CA72-4) X09287 48T/96T Homo sapiens (Human)
线粒体肌酸激酶1A(CKMT1A)检测试剂盒(酶联免疫吸附试验法) ELISA Kit for Creatine Kinase, Mitochondrial 1A (CKMT1A) X09288 48T/96T Homo sapiens (Human)
线粒体肌酸激酶1A(CKMT1A)检测试剂盒(酶联免疫吸附试验法) ELISA Kit for Creatine Kinase, Mitochondrial 1A (CKMT1A) X09289 48T/96T Mus musculus (Mouse)
着丝粒蛋白H(CENPH)检测试剂盒(酶联免疫吸附试验法) ELISA Kit for Centromere Protein H (CENPH) X09290 48T/96T Homo sapiens (Human)
抗肌动蛋白抗体(AAA)检测试剂盒(酶联免疫吸附试验法) ELISA Kit for Anti-Actin Antibody (AAA) X09291 48T/96T Homo sapiens (Human)
棕榈酰化膜蛋白6(MPP6)检测试剂盒(酶联免疫吸附试验法) ELISA Kit for Membrane Protein, Palmitoylated 6 (MPP6) X09292 48T/96T Homo sapiens (Human)
棕榈酰化膜蛋白6(MPP6)检测试剂盒(酶联免疫吸附试验法) ELISA Kit for Membrane Protein, Palmitoylated 6 (MPP6) X09293 48T/96T Rattus norvegicus (Rat)
棕榈酰化膜蛋白6(MPP6)检测试剂盒(酶联免疫吸附试验法) ELISA Kit for Membrane Protein, Palmitoylated 6 (MPP6) X09294 48T/96T Mus musculus (Mouse)
视黄醇结合蛋白4(RBP4)检测试剂盒(酶联免疫吸附试验法) ELISA Kit for Retinol Binding Protein 4, Plasma (RBP4) X09295 48T/96T Homo sapiens (Human)
视黄醇结合蛋白4(RBP4)检测试剂盒(酶联免疫吸附试验法) ELISA Kit for Retinol Binding Protein 4, Plasma (RBP4) X09296 48T/96T Rattus norvegicus (Rat)
视黄醇结合蛋白4(RBP4)检测试剂盒(酶联免疫吸附试验法) ELISA Kit for Retinol Binding Protein 4, Plasma (RBP4) X09297 48T/96T Mus musculus (Mouse)
骨形成蛋白1(BMP1)检测试剂盒(酶联免疫吸附试验法) ELISA Kit for Bone Morphogenetic Protein 1 (BMP1) X09298 48T/96T Homo sapiens (Human)
骨形成蛋白1(BMP1)检测试剂盒(酶联免疫吸附试验法) ELISA Kit for Bone Morphogenetic Protein 1 (BMP1) X09299 48T/96T Mus musculus (Mouse)
骨形成蛋白1(BMP1)检测试剂盒(酶联免疫吸附试验法) ELISA Kit for Bone Morphogenetic Protein 1 (BMP1) X09300 48T/96T Rattus norvegicus (Rat)
基质金属蛋白酶23A(MMP23A)检测试剂盒(酶联免疫吸附试验法) ELISA Kit for Matrix Metalloproteinase 23A (MMP23A) X09301 48T/96T Homo sapiens (Human)
组织蛋白酶K(CTSK)检测试剂盒(酶联免疫吸附试验法) ELISA Kit for Cathepsin K (CTSK) X09302 48T/96T Homo sapiens (Human)
组织蛋白酶K(CTSK)检测试剂盒(酶联免疫吸附试验法) ELISA Kit for Cathepsin K (CTSK) X09303 48T/96T Rattus norvegicus (Rat)
组织蛋白酶K(CTSK)检测试剂盒(酶联免疫吸附试验法) ELISA Kit for Cathepsin K (CTSK) X09304 48T/96T Mus musculus (Mouse)
8-异构前列腺素F2α(8-epi-PGF2α)检测试剂盒(酶联免疫吸附试验法) ELISA Kit for 8-Epi Prostaglandin F2 Alpha (8-epi-PGF2a) X09305 48T/96T General
胆囊收缩素A受体(CCKAR)检测试剂盒(酶联免疫吸附试验法) ELISA Kit for Cholecystokinin A Receptor (CCKAR) X09306 48T/96T Homo sapiens (Human)
肌肌酸激酶(CKM)检测试剂盒(酶联免疫吸附试验法) ELISA Kit for Creatine Kinase, Muscle (CKM) X09307 48T/96T Homo sapiens (Human)
核糖核酸酶T2(RNASET2)检测试剂盒(酶联免疫吸附试验法) ELISA Kit for Ribonuclease T2 (RNASET2) X09308 48T/96T Homo sapiens (Human)
N-乙酰β-D-氨基葡萄糖苷酶(NAGase)检测试剂盒(酶联免疫吸附试验法) ELISA Kit for N-Acetyl Beta-D-Glucosaminidase (NAGase) X09309 48T/96T Homo sapiens (Human)
激活素AB(ACVAB)检测试剂盒(酶联免疫吸附试验法) ELISA Kit for Activin AB (ACVAB) X09310 48T/96T Homo sapiens (Human)
α2-纤溶酶抑制因子(α2PI)检测试剂盒(酶联免疫吸附试验法) ELISA Kit for Alpha-2-Plasmin Inhibitor (a2PI) X09311 48T/96T Homo sapiens (Human)
泛素(Ub)检测试剂盒(酶联免疫吸附试验法) ELISA Kit for Ubiquitin (Ub) X09312 48T/96T Homo sapiens (Human)
半乳糖苷酶β(GLβ)检测试剂盒(酶联免疫吸附试验法)
 ELISA Kit for Galactosidase Beta (GLb) X09313 48T/96T Homo sapiens (Human)
 

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