化学试剂通常称为试剂(reagent),是一大类具有各种标准纯度的纯化学物质,广泛应用于教育、科学研究、分析测试,并作为某些新型工业所需的功能性材料和原料。化学试剂种类繁多,在国际上已达数万种之多,我国也有数千种在日常中使用。
化学试剂的分类方法尚未统一,通常按照学科和实际用途进行划分。例如德国伊默克(E·Merck)公司的目录将其分为十二大类七十小类。大多数国家则根据应用范围来划分。我们主要将试剂分为四类:
通用试剂:泛指符合标准纯度的有机试剂与无机试剂,常用于科学研究、分析测试及合成反应等。
分析试剂:
电子工业试剂:
生化试剂:即生物化学试剂,包括由生物体提取或合成的基本化学物质。主要作为对生物体成分研究和分析鉴定的重要试剂。涵盖临床免疫试剂、基因工程试剂、细胞培养试剂、激素类物质、毒物致癌研究用试剂及防霉杀虫研究用试剂等。这类试剂对于探索生命奥秘、防治疾病等科学研究与检验至关重要,涉及医学和药物学的纯化学制品。
中文名称 | 英文名称 | CAS号 | 化学式 | 结构式图片 |
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4-溴-1H-吲唑-3-羧酸甲酯 | methyl 4-bromo-1H-indazole-3-carboxylate | 1190322-47-4 | C9H7BrN2O2 |
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4-溴-1-萘磺酰氯 | 4-bromonaphthalene-1-sulfonyl chloride | 63279-36-7 | C10H6BrClO2S |
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4-溴-1-萘硼酸 | (4-bromonaphthalen-1-yl)boronic acid | 145965-14-6 | C10H8BBrO2 |
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4-溴-1-萘甲酸甲酯 | methyl 4-bromo-1-naphthoate | 35615-97-5 | C12H9BrO2 |
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4-溴-1-萘甲酸 | 4-bromonaphthalene-1-carboxylic acid | 16650-55-8 | C11H7BrO2 |
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4-溴-1-萘甲腈 | 4-bromo-1-naphthonitrile | 92616-49-4 | C11H6BrN |
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4-溴-1-甲基-1H-吡唑-5-羧酸甲酯 | 4-bromo-1-methyl-1H-pyrazole-5-carboxylic acid methyl ester | 514816-42-3 | C6H7BrN2O2 |
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4-溴-1-甲基-1H-吡咯-2-羧酸甲酯 | methyl 4-bromo-1-methyl-1H-pyrrole-2-carboxylate | 1196-90-3 | C7H8BrNO2 |
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4-溴-1-氯-2-[[4-[[(叔丁基)二甲基硅烷基]氧基]苯基]甲基]苯 | (4-(5-bromo-2-chlorobenzyl)phenoxy)(tert-butyl)dimethylsilane | 864070-19-9 | C19H24BrClOSi |
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4-溴-1-丁醇 | 4-Bromo-1-butanol | 33036-62-3 | C4H9BrO |
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4-溴-1-丁炔 | 4-bromobut-1-yne | 38771-21-0 | C4H5Br |
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4-溴-1,8-萘二甲酸酐 | 4-bromo-1,8-naphthalenedicarboxylic anhydride | 81-86-7 | C12H5BrO3 |
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4-溴-1,5-萘啶 | 4-bromo-1,5-naphthyridine | 90001-34-6 | C8H5BrN2 |
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4-溴-1,3-苯二甲酸 | 4-bromo-isophthalic acid | 6939-93-1 | C8H5BrO4 |
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4-溴-1,2-亚甲二氧基苯 | 1,2-(methylenedioxy)-4-bromobenzene | 2635-13-4 | C7H5BrO2 |
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4-溴-1,2,5-三唑-3-羧酸乙酯 | methyl 4-bromo-1,2,5-thiadiazole-3-carboxylate | 152300-56-6 | C4H3BrN2O2S |
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4-溴-1,10-菲咯啉 | 4-bromo-1,10-phenanthroline | 7089-67-0 | C12H7BrN2 |
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4-溴-1,1,2-三氟-1-丁烯 | 1,1,2-trifluoro-4-bromobut-1-ene | 10493-44-4 | C4H4BrF3 |
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4-溴- 1 -甲基- 1H-咪唑-2 -羧酸甲酯 | methyl 4-bromo-1-methyl-1H-imidazole-2-carboxylate | 864076-05-1 | C6H7BrN2O2 |
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4-氰甲基苯硼酸 | 4-(cyanomethyl)phenylboronic acid | 91983-26-5 | C8H8BNO2 |
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4-氰甲基氨基甲酰基苯硼酸 | (4-((cyanomethyl)carbamoyl)phenyl)boronic acid | 1056636-11-3 | C9H9BN2O3 |
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4-氰基苯肼盐酸盐 | 4-hydrazinobenzonitrile hydrochloride | 2863-98-1 | C7H8N3*Cl |
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4-氰基苯磺酰氯 | p-cyanobenzenesulfonyl chloride | 49584-26-1 | C7H4ClNO2S |
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4-氰基苯硼酸 | 4-cyanophenylboronic acid | 126747-14-6 | C7H6BNO2 |
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4-氰基苯硫脲 | 4-cyanophenylthiourea | 3460-55-7 | C8H7N3S |
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4-氰基苯甲醛 | 4-cyanobenzaldehyde | 105-07-7 | C8H5NO |
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4-氰基苯甲酸乙酯 | ethyl 4-cyanobenzoate | 7153-22-2 | C10H9NO2 |
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4-氰基苯甲酰胺 | 4-cyanobenzamide | 3034-34-2 | C8H6N2O |
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4-氰基苯甲酰甲酸乙酯 | ethyl-4-cyanobenzoylformate | 302912-31-8 | C11H9NO3 |
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4-氰基苯甲酮 | p-cyanobenzophenone | 1503-49-7 | C14H9NO |
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4-氰基苯异氰酸酯 | p-cyanophenyl isocyanate | 40465-45-0 | C8H4N2O |
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4-氰基苯基异硫氰酸酯 | 4-isothiocyanatobenzonitrile | 2719-32-6 | C8H4N2S |
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4-氰基苯基-4-乙基苯甲酸 | 4-ethylbenzoic acid-4'-cyanophenol ester | 56131-48-7 | C16H13NO2 |
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4-氰基苯乙酸 | 4-cyanophenylacetic acid | 5462-71-5 | C9H7NO2 |
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4-氰基苯乙烯 | 4-ethenylbenzonitrile | 3435-51-6 | C9H7N |
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4-氰基联苯-4-硼酸频那醇酯 | 4'-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-[1,1'-biphenyl]-4-carbonitrile | 406482-72-2 | C19H20BNO2 |
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4-氰基联苯 | 4-cyano-1,1'-biphenyl | 2920-38-9 | C13H9N |
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4-氰基-苯乙酸乙酯 | ethyl 4-cyanophenylacetate | 1528-41-2 | C11H11NO2 |
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4-氰基-呋喃-2-甲酸甲酯 | methyl 4-cyanofuran-2-carboxylate | 357289-65-7 | C7H5NO3 |
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4-氰基-4-(羟基甲基)哌啶-1-羧酸叔丁酯 | tert-butyl 4-cyano-4-(hydroxymethyl)piperidine-1-carboxylate | 614730-96-0 | C12H20N2O3 |
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4-氰基-4'-甲基联苯 | p-(p-tolyl)benzonitrile | 50670-50-3 | C14H11N |
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4-氰基-3-硝基三氟甲基苯 | 2-nitro-4-trifluoromethyl-benzonitrile | 778-94-9 | C8H3F3N2O2 |
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4-氰基-3-甲基苯甲酸甲酯 | methyl 4-cyano-3-methylbenzoate | 25978-68-1 | C10H9NO2 |
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4-氰基-3-氟苯基硼酸频哪醇酯 | 2-fluoro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzonitrile | 870238-67-8 | C13H15BFNO2 |
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4-氰基-2-甲氧基苯甲醛 | 4-formyl-3-methoxybenzonitrile | 21962-45-8 | C9H7NO2 |
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4-氰基-2-甲氧基苯基硼酸 | (4-Cyano-2-methoxyphenyl)boronic acid | 1256345-67-1 | C8H8BNO3 |
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4-氰基-2-氟苯酸 | 4-cyano-2-fluorobenzoic acid | 164149-28-4 | C8H4FNO2 |
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4-氰基-2,2-二乙基丁醛 | 4-ethyl-4-formylhexanenitrile | 2938-69-4 | C9H15NO |
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4-氰基-1-丁硫醇 | 5-mercaptopentanenitrile | 1053658-37-9 | C5H9NS |
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4-氰-4-苯基环己酮 | 4-cyano-4-phenylcyclohexanone | 25115-74-6 | C13H13NO |
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