| CAS编号 | 中文名 | 英文名 | 分子式 | 分子量 | 熔点 | 沸点 |
| 51973-32-1 | | 4-hydrazonome-1-hydroxy-2,2,5,5-tetrame-3- imidazoline-3-oxid | C8H16N4O2 | 200.24 | | |
| 51973-93-4 | | n-benzyl-2-(3,4-dimethoxyphenyl)ethanamine | | | | |
| 51976-94-4 | | n-cyclohexyl-n-[[(dimethylamino)thioxomethyl]thio]-cyclohexanamin | | | | |
| 51977-16-3 | | ethyl n-mesitylcarbamate | | | | |
| 51977-17-4 | | n,n'-(1,5-naphthalenediyl)bis(ethyl carbamate) | | | | |
| 51978-15-5 | (Z)-2-丁烯二酸-2-[(2-甲基-1-氧代-2-丙烯基)氧基]乙基单酯 | 2-Butenedioic acid (Z)-,mono[(2-(2-methyl-oxo-2-propenyl) oxylethyl]ester | | | | |
| 51978-41-7 | | Benzeneacetic acid,α-chloro-2,3,4,5,6-pentafluoro-,ethyl ester | C10H6ClF5O2 | 288.60 | | |
| 51978-94-0 | | 3-methyl-4-nitro-5-[(e)-2-phenylethenyl]isoxazole | | | | |
| 51979-57-8 | | 1-chloromethyl-2,4-diisocyanatobenzene | C9H5ClN2O2 | 208.60 | | 152-155℃ |
| 5198-04-9 | | 4-isobutoxyaniline | | | | |
| 5198-05-0 | | p-(isopentyloxy)-anilin | | | | |
| 5198-76-5 | | 2-chloro-4-(chloromethyl)thiazole | | | | |
| 5198-77-6 | 2-溴-4-氯甲基噻唑 | 2-bromo-4-(chloromethyl)thiazole | | | | |
| 5198-79-8 | | 2-chloro-4-formylthiazole | | | | |
| 5198-80-1 | | 2-bromo-4-formylthiazole | | | | |
| 5198-85-6 | | 2-chloro-4-thiazole-methanol | | | | |
| 5198-86-7 | | 2-bromo-4-hydroxymethylthiazole | | | | |
| 5198-87-8 | | ethyl 2-chlorothiazole-4-carboxylate | | | | |
| 5198-88-9 | 2-溴噻唑-4-甲酸 | 2-bromothiazole-4-carboxylic acid | | | | |
| 51980-05-3 | 3-(4-氰基苯基)-1-丙烯 | 3-(4-cyanophenyl)-1-propene | | | | |
| 51980-16-6 | | 1-deamino-4-val-8-arg-vasopressi | | | | |
| 51980-40-6 | [(2-氨基乙氨基)甲基]三甲氧基硅烷 | 2-Ethanediamine, N-[(trimethoxysilyl)methyl]-1 | | | | |
| 51980-53-1 | 5-氯乙酰氨基-2-亚甲基-1,3,3-三甲基吲哚 | 5-chloroacetamido-2-methylene-1,3,3-trimethylindoline | | | | |
| 51980-54-2 | 4-(1-吡咯烷基)苯甲醛 | 4-(1-Pyrrolidinyl)benzaldehyde | C11H13NO | 175.23 | | |
| 51980-59-7 | 3-甲氧基丙烷-1-磺酸 | 3-methoxypropane-1-sulfonic acid | | | | |
| 51980-60-0 | | 4-(2-methoxyethoxy)phenol | | | | |
| 51981-21-6 | n,n-双(羧甲基)-l-谷氨酸四钠盐 (约40%的水溶液) | tetrasodium n,n-bis(carboxymethyl)-l-glutamate (ca. 40% in water) | | | | |
| 51981-33-0 | | benzoxazolium, 5-chloro-2-methyl-3-(3-sulfopropyl)-, hydroxide, inner salt | | | | |
| 51981-34-1 | | benzoxazolium, 2-methyl-5-phenyl-3-(3-sulfobutyl)-, hydroxide, inner salt | | | | |
| 51981-75-0 | | bromobenzene 3,4-oxide | | | | |
| 51981-89-6 | 2-甲基-2-丙烯酸丁酯与2-丙烯酸丁酯、2-甲基-2-丙烯酸甲酯和2-丙烯酸的聚合物 | 2-Propenoic acid, 2-methyl-, butyl ester, polymer with butyl 2-propenoate, methyl 2-methyl-2-propenoate and 2-propenoic acid | (C8H14O2·C7H12O2·C5H8O2·C3H4O2)x | | | |
| 51982-36-6 | | prostaglandin g2 | | | | |
| 51982-45-7 | | cholesta-5,7,9-trien-3 beta-ol | | | | |
| 51983-24-5 | | n-(2-bromo-ethyl)-4-fluoro-benzenesulfonamide | | | | |
| 51984-46-4 | 3-甲氧基-2-羟甲基吡啶 | (3-methoxypyridin-2-yl)methanol | | | | |
| 51984-61-3 | 2-甲基-3-氨基-5-硝基吡啶 | 2-methyl-5-nitropyridin-3-amine | | | | |
| 51984-62-4 | 3-氯-2-甲基-5-硝基吡啶 | 3-chloro-2-methyl-5-nitropyridine | | | | |
| 51984-63-5 | 5-氯-6-甲基吡啶-3-醇 | 5-chloro-6-methylpyridin-3-ol | | | | |
| 51984-71-5 | 2-甲基-5-硝基烟酸乙酯 | ethyl 2-methyl-5-nitronicotinate | | | | |
| 51985-24-1 | | n-(3-fluorophenyl)picrylamine | | | | |
| 51985-26-3 | | n-(3,5-dichlorophenyl)picrylamine | | | | |
| 51985-95-6 | | methyl 5-hydroxy-1-methyl-1h-pyrazole-3-carboxylate | | | | |
| 51986-17-5 | 1-甲基-5-羟基吡唑-3-甲酸乙酯 | ethyl 5-hydroxy-1-methylpyrazole-3-carboxylate | | | | |
| 51987-20-3 | | 1-ethenylhexahydro-2h-azepin-2-on polymer with 1-ethenyl-2-pyrrolidinone | | | | |
| 51987-57-6 | | 8-isothiocyanatopyrene-1,3,6-trisulfon-ic acid triso. salt | C17H6NNa3O9S4 | 565.44 | | |
| 51987-65-6 | | desglugastrin | | | | |
| 51987-73-6 | | boc-l-phenylalanine methyl ester | C15H21NO4 | 279.33 | 38-41℃ | |
| 51987-99-6 | n-(1,3,4-噻二唑-2-基)吡啶-3-甲酰胺 | tgn-020 | | | | |
| 51988-14-8 | S-(4,5-二氢-5-硫代-1,3,4-噻二唑-2-基)苯硫代羧酸酯 | Benzenecarbothioic acid, S-(4,5-dihydro-5-thioxo-1,3,4-thiadiazol-2-yl)ester | C9H6N2OS3 | | | |
| 51988-24-0 | | | | | | |
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