| CAS编号 | 中文名 | 英文名 | 分子式 | 分子量 | 熔点 | 沸点 |
| 52121-34-3 | | 2-bromo-1-ethyl-4-nitrobenzene | | | | |
| 52121-35-4 | | 3'-bromo-4'-ethylacetanilide | | | | |
| 52121-36-5 | 3-溴-4-乙基苯胺 | 3-bromo-4-ethylaniline | | | | |
| 52121-37-6 | | 5'-bromo-4'-ethyl-2'-nitroacetanilide | | | | |
| 52121-41-2 | | 4'-bromo-3'-ethylacetanilide | | | | |
| 52121-42-3 | 4-溴-3-乙基苯胺 | 4-bromo-3-ethylaniline | | | | |
| 52121-87-6 | | (6-bromo-hex-3-enyl)-benzene | C12H15Br | 239.15 | | |
| 52123-15-6 | | benzothiazolium, 2-(2-ethoxy-1-propenyl)-3-(3-sulfobutyl)-, hydroxide, inner sa | | | | |
| 52123-30-5 | | lys-lys dihydrochloride | C12H26N4O3.2HCl | 347.28 | | |
| 52123-58-7 | | 8-azabicyclo(3.2.1)octane-3-carboxylic acid, 8-methyl-3-phenyl-, ethyl ester, h | | | | |
| 52125-43-6 | | 1-naphthalenesulfonic acid, 3-diazo-3,4-dihydro-4-oxo-, ar'-(1-methylethyl)[1,1 | | | | |
| 52125-53-8 | 1(或2)-乙氧基丙醇 | 1(or 2)-ethoxy-Propanol | C5H12O2 | | | |
| 52125-71-0 | 亚甲基(双)丁二酸与2-丙烯酸乙酯和N-(羟甲基)-2-丙烯酰胺的聚合物 | Methylene-butanedioic acid,polymer with ethyl 2-propenoate and N-(hydroxymethyl)-2-propenamide | | | | |
| 52126-12-2 | 1,3-二氯-5-(二氟甲基)苯 | 1,3-dichloro-5-(difluoromethyl)-benzene | | | | |
| 52126-51-9 | | 4,5-dihydro-5-oxo-1-(4-sulfophenyl)-1h-pyrazole-3-carboxylic aci monosodium | | | | |
| 52126-83-7 | | Tetraarsenic tetraselenide | As4Se4 | 615.53 | | |
| 521266-92-2 | | 4-(chloromethyl)-5-methyl-2-(3-methylphenyl)-1,3-oxazole | | | | |
| 521267-18-5 | | tert-butyl 2,2-dioxooxathiazinane-3-carboxylate | | | | |
| 52127-83-0 | 4-(2,6-二氯-4-嘧啶基)吗啉 | 4-(2,6-dichloro-4-pyrimidyl)morpholine | | | | |
| 521270-76-8 | | 2-isocyanobenzophenone | | | | |
| 521272-14-0 | | n-(4-fluoro-phenyl)-2-hydroxy-4-methyl-benzamide | | | | |
| 521272-85-5 | (2R,3R)-(-)-2,3-双(二苯基膦基)双环[2.2.1]庚-5-烯(1,5-环辛二烯)铑(i)四氟硼酸盐 | (2R,3R)-(-)-2,3-bis(diphenylphosphino)bicyclo[2.2.1]hept-5-ene(1,5-cyclooctadiene)rhodium(i) tetrafluoroborate | | | | |
| 52128-35-5 | | 2,4-diamino-5-methyl-6-[(3,4,5-trimethoxyanilino)methyl]quinazoline | C19H23N5O3 | 369.42 | | |
| 521284-19-5 | (R)-2-羟基-n-[2-(4-硝基苯基)乙基]-2-苯乙酰胺 | (R)-2-hydroxy-n-(4-nitrophenethyl)-2-phenylacetamide | | | | |
| 521284-21-9 | (R)-alpha-[[(4-硝基苯乙基)氨基]甲基]苄醇盐酸盐 | (R)-alpha-[[(4-nitrophenethyl)amino]methyl]benzyl alcohol hydrochloride | | | | |
| 521284-22-0 | 米拉贝隆中间体第三步( (alphar)-alpha-[[[2-(4-氨基苯基)乙基]氨基]甲基]苯甲醇盐酸盐 ) | (R)-2-((4-aminophenethyl)amino)-1-phenylethanol hydrochloride | | | | |
| 521286-38-4 | | boc-dl-norvaline | | | | |
| 521289-10-1 | | methyl 4-((aminocarbamoyl)methoxy)benzoate | | | | |
| 521289-77-0 | | 1-benzoylpiperidine-4-carbohydrazide | | | | |
| 52129-61-0 | | 1-(4-hydroxy-3,5-dinitrophenyl)-ethanon | | | | |
| 52129-62-1 | | 1-(3-chloro-4-hydroxy-5-nitrophenyl)-ethanone | | | | |
| 52129-70-1 | | 1-(4-chloro-3,5-dinitrophenyl)-ethanon | | | | |
| 52129-71-2 | | 3',5'-dinitro-4'-(di-n-propylamino)-acetophenon | | | | |
| 52129-99-4 | | 4'-(methylthio)propiophenone | | | | |
| 521291-61-2 | | (5S)-5-(1h-indol-3-ylmethyl)-2,2,3-trimethyl-4-imidazolidinone monohydrochloride | | | | |
| 5213-35-4 | | 4-methyl-2-nitro-imidazol mixed with 5-methyl-2-nitroimidazole (1:1) | | | | |
| 5213-47-8 | | 4,5-dimethyl-2-nitro-imidazol | | | | |
| 5213-48-9 | | 1,5-dimethyl-2-nitro-imidazol | | | | |
| 5213-49-0 | | 2,4-dinitro-imidazol | | | | |
| 52130-17-3 | 2-甲基-3-氨基苯甲酸 | 3-AMINO-2-METHYLBENZOIC ACID | C8H9NO2 | 151.16 | | |
| 52130-25-3 | | 2,4-imidazolidinedione, 5-hydroxy-1-(((5-(4-nitrophenyl)-2-furanyl)methylene)am | | | | |
| 52130-26-4 | | 1-((5-(p-chlorophenyl)-2-furanyl)methyleneamino)-5-hydroxy-hydantoi | | | | |
| 52130-27-5 | | 1-((5-(p-fluorophenyl)-2-furanyl)methyleneamino)-5-hydroxy-hydantoi | | | | |
| 52130-28-6 | | 1-((5-(p-aminophenyl)-2-furanyl)methyleneamino)-5-hydroxy-hydantoi | | | | |
| 52130-29-7 | | hydantoin, 5-hydroxy-1-((5-(alpha,alpha,alpha-trifluoro-m-tolyl)-2-furanyl)meth | | | | |
| 52130-30-0 | | 5-(3-(trifluoromethyl)phenyl)furfural | | | | |
| 52130-31-1 | | 1-((5-(p-cyanophenyl)-2-furanyl)methyleneamino)-5-hydroxy-hydantoi | | | | |
| 52130-32-2 | | 4-(5-formyl-furan-2-yl)-benzonitrile | | | | |
| 52130-33-3 | | 1-((5-(3,4-dichlorophenyl)-2-furanyl)methyleneamino)-5-hydroxy-hydantoi | | | | |
| 52130-34-4 | | 5-(3,4-dichlorophenyl)furfural | | | | |
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