核苷酸由碱基、戊糖和磷酸组成,构成生物大分子核酸的基本单位。根据戊糖的不同,核苷酸可分为核糖核苷酸和脱氧核糖核苷酸,进而形成了两种类型的核酸:核糖核酸(RNA)与脱氧核糖核酸(DNA)。核苷酸中的碱基分为嘧啶和嘌呤两类。嘧啶是一种含有两个氮原子的六员杂环有机化合物,常见的有胞嘧啶(C)、尿嘧啶(U)和胸腺嘧啶(T)。而嘌呤则是一种含四个氮的杂环化合物,主要由腺嘌呤(A)和鸟嘌呤(G)构成。核苷酸是在戊糖与碱基缩合形成核苷后,核苷中的糖羟基被磷酸酯化形成的。生物体中游离存在的多为5′-核苷酸,即戊糖的C5羟基被磷酸酯化。
核苷酸通常呈现无色粉末或结晶状,易溶于水而不溶于有机溶剂,在260nm波长下具有强烈的紫外吸收,并且是两性电解质。在不同pH值下解离情况各异,这些特性在核苷酸的制备、分析及测定中具有重要价值。
核苷酸类物质应用广泛,例如ATP和GTP以及5′-核苷酸常作为医疗辅助药物使用;5′-氟尿嘧啶等核苷酸类似物具备抗癌作用;多聚胞苷酸则可诱导干扰素产生,从而发挥抗病毒效果。此外,在食品工业中肌苷酸与鸟苷酸用作味精的增鲜剂,能显著提升风味;而在生物学研究领域,这些物质同样是不可或缺的重要试剂。
中文名称 | 英文名称 | CAS号 | 化学式 | 结构式图片 |
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2-氟-6-氨基嘌呤 | 2-fluoro-9H-purin-6-amine | 700-49-2 | C5H4FN5 |
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2,6-二氯嘌呤 | 2,6 dichloropurine | 5451-40-1 | C5H2Cl2N4 |
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2,6-二氨基嘌呤 | 2,6-diaminopurine | 1904-98-9 | C5H6N6 |
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2,4-二磺酰氯基均三甲苯 | 2,4-mesitylenedisulfonyl chloride | 68985-08-0 | C9H10Cl2O4S2 |
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2,4-二甲氧基-5-碘嘧啶 | 2,4-dimethoxy-5-iodopyrimidine | 52522-99-3 | C6H7IN2O2 |
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2,4,6-三甲基苯磺酰氯 | 2-mesitylenesulphonyl chloride | 773-64-8 | C9H11ClO2S |
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2,4,5,6-四甲基苯二磺酸氯 | 2,4,5,6-tetramethylbenzenedisulfonyl dichloride | 97997-76-7 | C10H12Cl2O4S2 |
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2'-脱氧鸟苷 | 2'-Deoxyguanosine | 961-07-9 | C10H13N5O4 |
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2'-脱氧腺苷 | 2'-Deoxyadenosine | 958-09-8 | C10H13N5O3 |
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2'-脱氧肌苷 | 2-deoxyinosine | 890-38-0 | C10H12N4O4 |
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2',3'-二脱氧胸苷 | 3'-Deoxythymidine | 3416-05-5 | C10H14N2O4 |
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1H-嘌呤-6-胺硫酸盐 | adeninium sulphate | 34791-69-0 | C5H5N5*H2O4S |
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1H-1,2,4-三唑 | 1,2,4-Triazole | 288-88-0 | C2H3N3 |
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1H-1,2,3-三氮唑 | 1,2,3-triazole | 288-36-8 | C2H3N3 |
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1-甲基腺嘌呤 | 1-methyladenine | 5142-22-3 | C6H7N5 |
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1-环己基尿嘧啶 | 1-cyclohexyluracil | 712-43-6 | C10H14N2O2 |
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1-对硝基苯磺酰基-1,2,4-三唑 | p-Nitrobenzolsulfonyltriazolid | 57777-84-1 | C8H6N4O4S |
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1-U 1-甲基-2,6,8-三羟基嘌呤 1MUA | 1-methyluric acid | 708-79-2 | C6H6N4O3 |
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1-(2-均三甲苯磺酰基)咪唑 | Mesitylen-sulfon-imidazolid | 50257-39-1 | C12H14N2O2S |
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1-(2,4,6-三异丙基苯基磺酰)咪唑 | N-(2,4,6-triisopropylbenzenesulfonyl)imidazole | 50257-40-4 | C18H26N2O2S |
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1,N6-亚乙烯基腺苷-3',5'-环单磷酸钠盐 | 1,N6-Ethenoadenosine 3':5'-cyclic monophosphate sodium salt | 103213-51-0 | C12H12N5NaO6P |
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1,3-苯并二硫代吡咯四氟化硼盐 | 1,3-Benzodithiolylium tetrafluoroborate | 57842-27-0 | C7H5BF4S2 |
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1,3-二甲基尿酸 | 1,3-dimethyluric acid | 944-73-0 | C7H8N4O3 |
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1,3-二甲基-6-亚氨基-5-异亚硝基尿嘧啶 | 6-amino-1,3-dimethyl-5-nitroso-1H-pyrimidine-2,4-dione | 6632-68-4 | C6H8N4O3 |
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1,3,9-三甲基黄嘌呤 | isocaffeine | 519-32-4 | C8H10N4O2 |
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(E)-5-(2-羰基乙烯)-2,4-二甲氧基嘧啶 | (E)-β-(2,4-dimethoxypyrimidin-5-yl)acrylic acid | 119923-27-2 | C9H10N2O4 |
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—— | Sodium 6-hydroxy-1,7-dihydropurin-2-one | 1196-43-6 | C5H4N4NaO2+ |
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—— | Flavinadeninedinucleotidedisodium(FADdisodium) | 84366-81-4 | C27H33N9NaO15P2 |
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—— | FMN-Na;Riboflavin 5'-phosphate sodium;Vitamin B2 Phosphate Sodium Salt | 6184-17-4 | C17H24N4NaO11P |
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—— | 5'-Adenylic acid,sodium salt, hydrate (9CI) | 149022-20-8 | C10H16N5NaO8P |
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—— | ADP | 1172-42-5 | C10H13N5O10P2*2Na |
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—— | Sodium ((2R,3S,4R,5R)-5-(6-amino-9H-purin-9-yl)-3,4-dihydroxytetrahydrofuran-2-yl)methyl phosphate hydrate | 149022-20-8 | C10H14N5Na2O8P |
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—— | Adenosine 5'-(tetrahydrogen triphosphate), tetrasodium salt | 987-65-5 | C10H12N5Na4O13P3 |
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—— | 6-chloropurine riboside | 2004-06-0 | C10H11ClN4O4 |
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—— | (3S,4R,5S)-2-(6-chloropurin-9-yl)-5-(hydroxymethyl)oxolane-3,4-diol | 2004-06-0 | C10H11ClN4O4 |
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—— | Adenosine-5'-diphosphate disodium salt dihydrate | 16178-48-6 | C10H17N5Na2O12P2 |
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—— | 33430-62-5 | C10H15N2NaO8P |
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—— | disodium guanosine 5'-phosphate | 3106-17-0 | C10H12N5O8P*2Na |
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—— | Deoxy-uridin | 951-78-0 | C9H12N2O5 |
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—— | 1-(6-amino-purin-9-yl)-<i>D</i>-<i>erythro</i>-1,2-dideoxy-pentofuranose | 958-09-8 | C10H13N5O3 |
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—— | ((1<i>S</i>)-<i>trans</i>-5-hydroxymethyl-tetrahydro-furan-2-yl)-5-methyl-1<i>H</i>-pyrimidine-2,4-dione | 3416-05-5 | C10H14N2O4 |
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—— | trans-1-(D,L-5-hydroxymethyl-2-tetrahydrofuryl)-5-methyluracil | 121786-60-5 | C10H14N2O4 |
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—— | 5-(3-amino-1-propynyl)-2',3'-dideoxycytidine-5'-triphosphoric acid | 114748-56-0 | C12H19N4O12P3 |
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—— | 7-Deaza-7-propargylamino-ddATP | 114748-69-5 | C14H20N5O11P3 |
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—— | Dtxcid605538 | 6112-76-1 | C5H8N4OS |
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—— | Adenosine triphosphate disodium salt trihydrate | 51963-61-2 | C10H20N5Na2O16P3 |
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—— | Cytidine-5'-diphosphocholine | 987-78-0 | C14H26N4O11P2 |
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—— | 4-amino-1-(<i>O</i><sup>5</sup>-phosphono-pentofuranosyl)-1<i>H</i>-pyrimidin-2-one | 63-37-6 | C9H14N3O8P |
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—— | L-cytidine-5'-monophosphate | 63-37-6 | C9H14N3O8P |
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—— | <i>O</i><sup>5'</sup>-phosphono-riboflavin; monosodium-salt | 6184-17-4 | C17H20N4O9P*2H2O*Na |
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