| CAS编号 | 中文名 | 英文名 | 分子式 | 分子量 | 熔点 | 沸点 |
| 52036-16-5 | | (5z)-5-(4-hydroxy-3-methoxybenzylidene)imidazolidine- 2,4-dione | C11H10N2O4 | 234.21 | | |
| 52036-18-7 | | 5-((2,5-dimethoxyphenyl)methylene)-4-imidazolidinedione | | | | |
| 52037-76-0 | | zirconium oxide sulfate | | | | |
| 52037-90-8 | | cyclohexanone monooxygenase f. acineto-bacter sp. | | | | |
| 5204-46-6 | 4-氨基-2, 6-二氯苯甲酸 | 4-Amino-2, 6-dichlorobenzoic acid | C7H5Cl2NO2 | 206.03 | | |
| 5204-64-8 | | 3-pentenoic acid | C5H8O2 | 100.11 | | 192℃ |
| 5204-74-0 | 乙酸与二乙胺(1:1)的化合物 | Acetic acid-triethylamine solution 1:1 | C6H15N·C2H4O2 | 161.24 | | |
| 5204-88-6 | | 13-hydroxy-9,11-octadecadienoic acid | | | | |
| 52040-07-0 | | 1,3-dicyclohexyl-1-methylurea | | | | |
| 52040-08-1 | | 1,3-dicyclohexyl-1-ethylurea | | | | |
| 52041-73-3 | | n-(3-hydroxyphenyl)cyclopropanecarboxamide | | | | |
| 52041-78-8 | | 6-chloro-4-(2,3-dihydroxypropyl)-2-propyl-2h-4-benzoxazin-3(4h)-one | | | | |
| 52041-97-1 | 5-溴-2-(4-氯苯基)噻唑-4-羧酸 | 5-bromo-2-(4-chlorophenyl)thiazole-4-carboxylic acid | | | | |
| 52042-24-7 | | 6-chloro-4-(2,3-dihydroxypropyl)-2-methyl-2h-4-benzoxazin-3(4h)-one | | | | |
| 52042-25-8 | | 6-chloro-4-(2,3-dihydroxypropyl)-2-ethyl-2h-4-benzoxazin-3(4h)-one | | | | |
| 52042-27-0 | | 2,3-dihydro-6-chloro-4-(2,3-dihydroxypropyl)-4h-4-benzoxazin-3-one | | | | |
| 52042-28-1 | | 7-bromo-6-chloro-4-(2,3-dihydroxypropyl)-2-methyl-2h-4-benzoxazin-3(4h)-one | | | | |
| 52042-29-2 | | 4-(2,3-dihydroxypropyl)-2,6-dimethyl-2h-4-benzoxazin-3(4h)-one | | | | |
| 52042-30-5 | | 2h-1,4-benzoxazin-3(4h)-one, 4-(2,3-dihydroxypropyl)-8-methoxy-2-methyl-6-propy | | | | |
| 52042-31-6 | | 4-(2,3-dihydroxypropyl)-2-methyl-6-nitro-2h-4-benzoxazin-3(4h)-one | | | | |
| 52042-32-7 | | 4-(2,3-dihydroxypropyl)-2-ethyl-2h-4-benzoxazin-3(4h)-one | | | | |
| 52042-34-9 | | 6-bromo-4-(2,3-dihydroxypropyl)-2-ethyl-2h-4-benzoxazin-3(4h)-one | | | | |
| 52042-35-0 | | 4-(2,3-dihydroxypropyl)-6-methoxy-2-methyl-2h-4-benzoxazin-3(4h)-one | | | | |
| 52042-36-1 | | 2-methyl-3-oxo-4-(2,3-dihydroxypropyl)-6-allyl-8-methoxy-2,3-dihydro-1,4 -ben | | | | |
| 52042-37-2 | | 2-butyl-6-chloro-4-(2,3-dihydroxypropyl)-2h-4-benzoxazin-3(4h)-one | | | | |
| 52042-38-3 | | 4-(2,3-bis(acetyloxy)propyl)-6-chloro-2-methyl-2h-4-benzoxazin-3(4h)-one | | | | |
| 52042-39-4 | | 4-(2,3-bis(acetyloxy)propyl)-6-chloro-2-ethyl-2h-4-benzoxazin-3(4h)-one | | | | |
| 52042-40-7 | | 4-(2,3-bis(acetyloxy)propyl)-6-chloro-2h-4-benzoxazin-3(4h)-one | | | | |
| 52042-99-6 | | 3,3-diphenyl-hydracrylamid | | | | |
| 52043-21-7 | | 2-(2,4-difluorophenoxy)propanoic acid | | | | |
| 52043-46-6 | | 4,7-dichloro-1(3h)-isobenzofuranon | | | | |
| 52044-08-3 | 2-(4-氨基-3-磺苯基)-6-甲基-7-苯并噻唑磺酸二钠 | 7-Benzothiazolesulfonic acid, 2-(4-amino-3-sulfophenyl)-6-methyl-, disodium salt | C14H12N2O6S3·2Na | | | |
| 52045-06-4 | | Iodate(1-),dibromo-,N,N,N-trimethylbenzenaminium | C4H12Br2IN | 360.86 | | |
| 52045-42-8 | 4-氟-2-甲基-1-茚酮 | 4-Fluoro-2-methyl-2,3-dihydro-1H-inden-1-one | | | | |
| 52046-55-6 | | (1e)-n',2-dihydroxypropanimidamide | | | | |
| 52046-56-7 | | 2-bromo-1,3-bis(4-methylphenyl)propane-1,3-dione | | | | |
| 52046-57-8 | | 2-bromo-1,3-bis(4-methoxyphenyl)propane-1,3-dione | | | | |
| 52046-58-9 | | 2-bromo-1,3-bis(4-chlorophenyl)propane-1,3-dione | | | | |
| 52046-75-0 | | dimethyl-2,2-(1,3-dithian-2,4-diyliden)-bis- (cyanoacetate) | C10H6N2O4S2 | 282.28 | 229-235℃ | |
| 52047-13-9 | 2,6-二氯-5-硝基嘧啶-4-甲酸甲酯 | methyl 2,6-dichloro-5-nitropyrimidine-4-carboxylate | C6H3Cl2N3O4 | 252.01 | | |
| 52047-16-2 | 5-硝基-2,6-二氧-1,2,3,6-四氢嘧啶-4-羧酸乙酯 | ethyl 5-nitro-2,6-dioxo-1,2,3,6-tetrahydropyrimidine-4-carboxylate | C7H7N3O6 | 229.147 | | |
| 52047-59-3 | | 2-(4-dodecylphenyl)-1h-indol | | | | |
| 52047-79-7 | | 3-carbamoyl-1-propylpyridinium bromide | | | | |
| 52048-31-4 | | n,n-diethyl-4-(2-thiazolylazo)-benzenamin | C13H16N4S | 260.36 | | 405.6ºC |
| 52048-93-8 | | propanoic acid, 2,2-dichloro-, mixt. with sodium (2,4-dichlorophenoxy)acetate | | | | |
| 52049-26-0 | | 1-(2-chloroethyl)-3-(cis-4-hydroxycyclohexyl)-1-nitroso-ure | | | | |
| 52049-33-9 | N-(吗啉硫代)酞酰亚胺 | n-morpholinothio phthaldamide | C12H12N2C3S | 264.15 | | |
| 52049-52-2 | | val(4)-argipressi | | | | |
| 5205-07-2 | 乙酸-3-甲基-3-丁烯-1-醇酯 | 3-Buten-1-ol, 3-methyl-, acetate | C7H12O2 | | | |
| 5205-10-7 | | heptanoic acid, 3-methyl-2-butenyl ester | | | | |
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