添加剂是指在生产过程中为了改善产品性能、提高效率或者实现特定功能而加入的辅助物质。它们广泛应用于有机化学、化学化工和生物医药等领域。
1. 有机化学中的添加剂催化剂:在合成反应中,催化剂能够加速化学反应并降低活化能,但不被消耗或仅少量参与最终产物。例如,铂是一种有效的氢气还原催化剂。
溶剂:用于溶解底物和试剂以促进化学反应的进行。水、乙醇等都是常用的溶剂。
稳定剂:防止聚合物老化或降解的物质,如抗氧化剂可以保护塑料制品不受热氧的影响。
表面活性剂:用于改善液体的润湿性,减少界面张力。肥皂和洗涤剂就是常用的表面活性剂。
营养补充剂:在细胞培养基中加入特定维生素、氨基酸等成分以支持细胞生长。
药物载体与辅料:将药物包裹或分散于适当材料中,提高药物的稳定性和生物利用度。微囊化技术是一种常用的药物递送方法。
添加剂的选择需考虑其化学性质及其在特定应用环境下的表现。正确合理地选择与使用添加剂对于确保产品的质量和安全性至关重要。
中文名称 | 英文名称 | CAS号 | 化学式 | 结构式图片 |
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5-[4-苯基-5-(三氟甲基)-2-噻吩基]-3-[3-(三氟甲基)苯基]-1,2,4-恶二唑 | 5-[4-Phenyl-5-(trifluoromethyl)-2-thienyl]-3-[3-(trifluoromethyl)phenyl]-1,2,4-oxadiazole | 256414-75-2 | C20H10F6N2OS |
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5-[4-[4-(5-氰基-1H-吲哚-3-基)丁基]-1-哌嗪]-2-苯并呋喃羧酸乙酯 | 5-(4-[4-(5-cyano-3-indolyl)butyl]-1-piperazinyl)benzofuran-2-carboxylic acid ethyl ester | 163521-11-7 | C28H30N4O3 |
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5-Boc-氨基吡嗪-2-羧酸 | 5-((tert-butoxycarbonyl)amino)pyrazine-2-carboxylic acid | 891782-63-1 | C10H13N3O4 |
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5-(十四烷基氧)-2-糠酸 | 5-(tetradecyloxy)-2-furancarboxylic acid | 54857-86-2 | C19H32O4 |
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5-(5-溴-2-噻吩基)-1H-四唑 | 5-(5-bromothiophen-2-yl)-1H-tetrazole | 211943-12-3 | C5H3BrN4S |
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5-(4-羟苯基)-1H-四唑 | 5-(4-hydroxyphenyl)-1H-1,2,3,4-tetrazole | 51517-88-5 | C7H6N4O |
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5-(4-溴苄基)-2H-四唑 | 5-<(4-bromophenyl)methyl>-2H-tetrazole | 127152-64-1 | C8H7BrN4 |
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5-(4-三氟甲基苯基)-2H-吡唑-3-胺 | 3-(4-(trifluoromethyl)phenyl)-1H-pyrazol-5-amine | 130599-34-7 | C10H8F3N3 |
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5-(2-吡啶基)-1,2-二氢吡啶-2-酮 | 5-(2-Pyridyl)-1,2-dihydropyridin-2-one | 381233-78-9 | C10H8N2O |
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5-(1-哌嗪基)-2-苯并呋喃羧酸乙酯盐酸盐 | 5-(1-piperazinyl)benzofuran-2-carboxylic acid ethyl ester hydrochloride | 765935-67-9 | C15H18N2O3*ClH |
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5,8-二氢-1-萘酚 | 5,8-dihydro-1-naphthol | 27673-48-9 | C10H10O |
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5,6,7,8-四氢-2-喹啉酮 | 5,6,7,8-tetrahydro-1H-quinolin-2-one | 54802-19-6 | C9H11NO |
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5,6,7,8-四氢-2,6-萘啶-1(2H)-酮 | 5,6,7,8-tetrahydro-2H-2,6-naphthyridin-1-one | 1170830-85-9 | C8H10N2O |
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5,6,7,8-四氢-1-萘甲醇 | (5,6,7,8-tetrahydronaphthalen-1-yl)methanol | 41790-30-1 | C11H14O |
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5,5'-硫代双水杨酸 | 5,5'-thiodisalicylic acid | 1820-99-1 | C14H10O6S |
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5(S)-羟化二十烷四烯酸 | 5(S)-HETE | 330796-62-8 | C20H32O3 |
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4’-溴-2’-甲基苯乙酮 | 1-(4-bromo-2-methylphenyl)ethanone | 65095-33-2 | C9H9BrO |
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4’-异丙基乙酰苯胺 | N-(4-iso-propylphenyl)acetamide | 5702-74-9 | C11H15NO |
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4-苯基噻唑-2-甲酸乙酯 | ethyl 4-phenylthiazole-2-carboxylate | 31877-30-2 | C12H11NO2S |
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4-苯基哌啶盐酸盐 | 4-phenylpiperidine hydrochloride | 10272-49-8 | C11H15N*ClH |
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4-苯乙烯基吡啶 | 4-stilbazole | 103-31-1 | C13H11N |
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4-羟基-2-氨基苯并噻唑 | 2-amino-4-hydroxybenzothiazole | 7471-03-6 | C7H6N2OS |
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4-羟基-2-吡咯烷酮 | 4-hydroxy-2-oxopyrrolidine | 25747-41-5 | C4H7NO2 |
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4-羟乙酰乙酸内酯 | tetrahydrofuran-2,4-dione | 4971-56-6 | C4H4O3 |
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4-磺酸杯芳烃 | p-sulfonatocalix[8]arene | 137407-62-6 | C56H48O32S8 |
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4-硝基苯基 N-(叔丁氧羰基)-L-亮氨酸酯 | (tert-butoxycarbonyl)-L-leucine p-nitrobenzylester | 3350-19-4 | C17H24N2O6 |
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4-硝基噻吩-2-甲酸 | 4-nitro-2-thiophenecarboxylic acid | 13138-70-0 | C5H3NO4S |
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4-甲氧羰基-1H-吲唑-3-甲酸 | 4-(methoxycarbonyl)-1H-indazole-3-carboxylic acid | 393553-44-1 | C10H8N2O4 |
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4-甲基苯丁酮 | 1-(4-methylphenyl)butan-1-one | 4160-52-5 | C11H14O |
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4-甲基-3-硝基吡唑 | 4-methyl-5-nitro-1H-pyrazole | 38858-90-1 | C4H5N3O2 |
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4-甲基-1H-咪唑-2-甲醛 | 4-methyl-1H-imidazole-2-carbaldehyde | 113825-16-4 | C5H6N2O |
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4-甲基-1H-吲唑-5-基-5-硼酸 | (4-methyl-1H-indazol-5-yl)boronic acid | 1245816-09-4 | C8H9BN2O2 |
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4-环己烯基-1,2-二甲酸双(2-乙基己基)酯 | di(2-ethylhexyl) 4-cyclohexene-1,2-dicarboxylate | 2915-49-3 | C24H42O4 |
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4-环己烯-1,2-二羧化二异癸酯 | diisodecyl 4-cyclohexene-1,2-dicarboxylate | 87826-26-4 | C28H50O4 |
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4-环丁基-3-氧代丁酸乙酯 | ethyl 4-cyclobutyl-3-oxobutanoate | 885280-12-6 | C10H16O3 |
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4-烯丙基吗啉 | N-allylmorpholine | 696-57-1 | C7H13NO |
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4-溴甲基-5-甲基-1,3-间二氧杂环戊烯-2-酮 | 4-bromomethyl-1,3-dioxa-5-methylcyclopentene-2-one | 80715-22-6 | C5H5BrO3 |
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4-溴-5-甲基-1H-吲唑 | 4-bromo-5-methyl-1H-indazole | 926922-40-9 | C8H7BrN2 |
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4-溴-3-甲基苯甲酸乙酯 | ethyl 4-bromo-3-methylbenzoate | 160313-69-9 | C10H11BrO2 |
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4-溴-2,3-二氯苯胺 | 4-bromo-2,3-dichlorophenylamine | 56978-48-4 | C6H4BrCl2N |
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4-溴-1,5-二甲基-1H-吲唑 | 4-bromo-1,5-dimethyl-1H-indazole | 1159511-77-9 | C9H9BrN2 |
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4-氰基庚二腈 | γ-Cyanopimelonitrile | 4379-04-8 | C8H9N3 |
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4-氯吲哚啉 | 4-chloroindoline | 41910-64-9 | C8H8ClN |
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4-氨基硫代吗啉-1,1-二氧化物 | 4-aminothiomorpholine 1,1-dioxide | 26494-76-8 | C4H10N2O2S |
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4-氨基烟腈 | 4-aminopyridine-3-carbonitrile | 15827-84-6 | C6H5N3 |
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4-氨基对三联苯 | 4-aminoterphenyl | 7293-45-0 | C18H15N |
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4-氨基-3-甲苯基-1-磺酸钠三水 | sodium 4-amino-3-methylbenzenesulfonate | 63450-43-1 | C7H8NO3S*Na |
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4-氨基-3-氟-5-硝基-2-(苯氨基)苯甲酸甲酯 | methyl 4-amino-3-fluoro-5-nitro-2-(phenylamino)benzoate | 606093-58-7 | C14H12FN3O4 |
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4-氨基-2,5-二甲氧基-N-苯基苯磺酰胺 | 4-amino-2,5-dimethoxy-N-phenylbenzenesulfonamide | 52298-44-9 | C14H16N2O4S |
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4-氨基-2,3-二甲苯酚 | 4-amino-2,3-dimethylphenol | 3096-69-3 | C8H11NO |
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