| 1 | 5194-04-7 | 2H-Pyrazino[1,2-c]pyrimidine-1,6,8(7H)-trione, tetrahydro-7-phenyl- | 2H-Pyrazino[1,2-c]pyrimidine-1,6,8(7H)-trione, tetrahydro-7-phenyl- | C13H13N3O3 | | |
| 2 | 5194-32-1 | 2-甲基-5嘧啶甲酸 | 2-Methylpyrimidine-5-carboxylic acid | C6H6N2O2 | 嘧啶;通用试剂;杂环砌块 | |
| 3 | 5194-33-2 | 2-甲基嘧啶-5-甲酰胺 | 5-Pyrimidinecarboxamide, 2-methyl- (7CI,8CI) | C6H7N3O | | |
| 4 | 5194-37-6 | 4-溴苯并[B]噻吩-2-甲酸 | 4-BROMO-BENZO[B]THIOPHENE-2-CARBOXYLIC ACID | C9H5BrO2S | | |
| 5 | 5194-49-0 | | 3-(bromo-phenyl-methylidene)isoindol-1-one | C15H10BrNO | | |
| 6 | 51940-32-0 | 2-氯-8-乙基-7,8-二氢-8-羟基吡啶并[2,3-D]嘧啶-6-羧酸乙酯 | 2-CHLORO-8-ETHYL-5,6,7,8-TETRAHYDRO-5-OXO-PYRIDO(2,3-D)PYRIMIDINE-6-CARBOXYLIC ACID ETHYL ESTER | C12H14ClN3O3 | | |
| 7 | 51940-33-1 | 2-氯-8-乙基-5,8-二氢-5-氧代吡啶并[2,3-D]嘧啶-6-羧酸乙酯 | ETHYL2-CHLORO-8-EHTYL-5,8-DIHYDRO-5-OXOPYRIDO(2,3-D)PYRIMUIDINE-6-CARBOXYLATE | C12H12ClN3O3 | | |
| 8 | 51940-44-4 | 吡哌酸 | pipemidic acid | C14H17N5O3 | 抗菌;试剂;原料药;抗生素;工业化;对照品;兽用原料;化学试剂;兽药原料;医药原料 | 医药;成品药 |
| 9 | 51940-63-7 | 6-氯嘧啶-4-羧酸乙酯 | 6-chloro-4-Pyrimidinecarboxylic acid ethyl ester | C7H7ClN2O2 | 有机原料;有机酸酯 | |
| 10 | 51940-64-8 | 2,4-二氯-5-嘧啶甲酸乙酯 | ethyl 2,4-dichloropyrimidine-5-carboxylate | C7H6Cl2N2O2 | 酯;嘧啶;杂环化合物;医药中间体;嘧啶衍生物;酸类及衍生物;羧酸类衍生物;有机化工原料 | |
| 11 | 51940-72-8 | 3,7,7-TRIMETHYL-1,4,6,7,8-PENTAHYDROCINNOLIN-5-ONE | 3,7,7-TRIMETHYL-1,4,6,7,8-PENTAHYDROCINNOLIN-5-ONE | C11H16N2O | | |
| 12 | 51940-78-4 | 折替多林 | Zetidoline | C16H22ClN3O | | |
| 13 | 51941-08-3 | 4-[3-(trifluoromethyl)phenyl]piperazine-1-ethyl 2-aminobenzoate | 4-[3-(trifluoromethyl)phenyl]piperazine-1-ethyl 2-aminobenzoate | C20H22F3N3O2 | | |
| 14 | 51941-15-2 | 3-(2-氨基乙酰基)吡啶 | Ethanone, 2-aMino-1-(3-pyridinyl)- | C7H8N2O | | |
| 15 | 51941-16-3 | 1-METHYL-5-PYRIDIN-3-YL-1H-IMIDAZOLE-2-THIOL | 1-METHYL-5-PYRIDIN-3-YL-1H-IMIDAZOLE-2-THIOL | C9H9N3S | | |
| 16 | 51941-85-6 | 5-甲基-1H-吲唑-3-甲酸甲酯 | METHYL 5-METHYL-1H-INDAZOLE-3-CARBOXYLATE | C10H10N2O2 | | |
| 17 | 51942-36-0 | | Benzamide, 2-methoxy-N-[2-(methylthio)phenyl]- | C15H15NO2S | | |
| 18 | 51942-37-1 | 4-methoxy-N-(2-(methylthio)phenyl)benzamide | 4-methoxy-N-(2-(methylthio)phenyl)benzamide | C15H15NO2S | | |
| 19 | 51942-39-3 | | Benzamide, N-[2-(methylthio)phenyl]-3-nitro- | C14H12N2O3S | | |
| 20 | 51942-41-7 | 2-叔丁硫基苯胺 | 2-(tert-Butylthio)aniline | C10H15NS | | |
| 21 | 51942-56-4 | γ-amino-β,β-dimethyl-butyl alcohol | γ-amino-β,β-dimethyl-butyl alcohol | C6H15NO | | |
| 22 | 51942-83-7 | | 1,2,4-Triazine-6-carboxylic acid, 2,3,4,5-tetrahydro-2-methyl-5-oxo-3-thioxo-, ethyl ester | C7H9N3O3S | | |
| 23 | 51942-84-8 | 2,5-二氢-3-(甲硫基)-5-羰基-1,2,4-三嗪-6-羧酸 | 3-(Methylsulfanyl)-5-oxo-2,5-dihydro-1,2,4-triazine-6-carboxylic acid | C5H5N3O3S | 中间体;医药中间体 | |
| 24 | 51943-11-4 | 2-{[5-(phenylsulfanyl)-2-furyl]methylene}-1H-indene-1,3(2H)-dione | 2-{[5-(phenylsulfanyl)-2-furyl]methylene}-1H-indene-1,3(2H)-dione | C20H12O3S | | |
| 25 | 51943-58-9 | 3-ethyl-2-[3-(3-ethyl-4-methyl-3H-thiazol-2-ylidene)prop-1-enyl]benzoxazolium iodide | 3-ethyl-2-[3-(3-ethyl-4-methyl-3H-thiazol-2-ylidene)prop-1-enyl]benzoxazolium iodide | C18H21IN2OS | | |
| 26 | 51943-81-8 | 2-Methyl-2-butenoic acid dodecahydro-2b,5,7c-trimethyl-6-oxobisoxireno[5,6:7,8]naphtho[1,2-b]furan-5-yl ester | 2-Methyl-2-butenoic acid dodecahydro-2b,5,7c-trimethyl-6-oxobisoxireno[5,6:7,8]naphtho[1,2-b]furan-5-yl ester | C20H26O6 | | |
| 27 | 51943-95-4 | tetrachloro-mu-oxodialuminium | tetrachloro-mu-oxodialuminium | Al2Cl4O | | |
| 28 | 51943-99-8 | diethyl 2-[3-oxo-3-(2-oxocyclopentyl)propyl]-p-phenylene dicarbonate | diethyl 2-[3-oxo-3-(2-oxocyclopentyl)propyl]-p-phenylene dicarbonate | C20H24O8 | | |
| 29 | 51944-00-4 | 3-[2,5-bis(ethoxycarbonyloxy)phenyl]propanoic acid | 3-[2,5-bis(ethoxycarbonyloxy)phenyl]propanoic acid | C15H18O8 | | |
| 30 | 51944-02-6 | | Oxirane, 2-[(dodecyloxy)methyl]-3-(3-oxiranylpropyl)- (9CI) | C20H38O3 | | |
| 31 | 51944-07-1 | 碳酸镍(II) | Nickel (II) carbonate, typically 99.8% (metals basis) | NiCO3.XH2O | | |
| 32 | 51944-08-2 | | 1,3-Butanedione, 1-(4-hydroxyphenyl)- | C10H10O3 | | |
| 33 | 51944-10-6 | | 1,3-Butanedione, 1-(4-ethoxyphenyl)- | C12H14O3 | | |
| 34 | 51944-15-1 | | Urea, N-(2,3-dihydro-1,5-dimethyl-3-oxo-2-phenyl-1H-pyrazol-4-yl)-N'-phenyl- | C18H18N4O2 | | |
| 35 | 51944-21-9 | 4-((((4-CHLOROPHENYL)AMINO)THIOXOMETHYL)AMINO)-2,3-DIMETHYL-1-PHENYL-3-PYRAZOLIN-5-ONE | 4-((((4-CHLOROPHENYL)AMINO)THIOXOMETHYL)AMINO)-2,3-DIMETHYL-1-PHENYL-3-PYRAZOLIN-5-ONE | C18H17ClN4OS | | |
| 36 | 51944-25-3 | 4-anilino-2-chloro-6-methylpyrimidine | 4-anilino-2-chloro-6-methylpyrimidine | C11H10ClN3 | | |
| 37 | 51944-41-3 | | Benzene, 2,4-diisocyanato-1-[(4-isocyanatophenyl)methyl]- | C16H9N3O3 | | |
| 38 | 51944-43-5 | | 1H-1λ4-Selenophene, 1,1-dibromotetrahydro- | C4H8Br2Se | | |
| 39 | 51944-65-1 | Pyrrolidine, 1-(1-oxo-2-butenyl)- | Pyrrolidine, 1-(1-oxo-2-butenyl)- | C8H13NO | | |
| 40 | 51944-66-2 | NISTC51944662 | NISTC51944662 | C8H13NO2 | | |
| 41 | 51944-67-3 | | (2E)-N-benzylbut-2-enamide | C11H13NO | | |
| 42 | 51944-68-4 | | 2-Butenamide, N-(4-nitrophenyl)- | C10H10N2O3 | | |
| 43 | 51944-89-9 | N-[4-(pyridin-2-ylsulfamoyl)phenyl]benzamide | N-[4-(pyridin-2-ylsulfamoyl)phenyl]benzamide | C18H15N3O3S | | |
| 44 | 51945-32-5 | 1-chloro-3-methyl-3H-naphtho[1,2,3-de]quinoline-2,7-dione | 1-chloro-3-methyl-3H-naphtho[1,2,3-de]quinoline-2,7-dione | C17H10ClNO2 | | |
| 45 | 51945-98-3 | 1,5-Heptadiene-3,4-diol | 1,5-Heptadiene-3,4-diol | C7H12O2 | | |
| 46 | 51946-06-6 | N,N'-[亚氨基双(2,1-亚乙基亚氨基-2,1-亚乙基)]双十八酰胺 | N,N'-[iminobis(ethyleneiminoethylene)]distearamide | C44H91N5O2 | | |
| 47 | 51946-13-5 | 3-(Decyloxy)-2-hydroxy-1-propanesulfonic acid sodium salt | 3-(Decyloxy)-2-hydroxy-1-propanesulfonic acid sodium salt | C13H27O5S*Na | | |
| 48 | 51946-14-6 | 辛基 PG-磺酸钠 | 2-Hydroxy-3-(octyloxy)-1-propanesulfonic acid sodium salt | C11H24O5S.Na | | |
| 49 | 51946-38-4 | STS 267 | STS 267 | C19H23N3O2 | | |
| 50 | 51946-45-3 | | Estra-1,3,5(10)-triene-3,17-diol, 16-selenocyanato-, (16α,17β)- (9CI) | C19H23NO2Se | | |
| 51 | 51947-19-4 | p-[[4,4,5,5,5-pentafluoro-3-(pentafluoroethyl)-1,2,3-tris(trifluoromethyl)pent-1-enyl]oxy]benzenesulphonyl chloride | p-[[4,4,5,5,5-pentafluoro-3-(pentafluoroethyl)-1,2,3-tris(trifluoromethyl)pent-1-enyl]oxy]benzenesulphonyl chloride | C16H4ClF19O3S | | |
| 52 | 51947-45-6 | 4-羟苄基丙二酸二甲酯 | 4-HYDROXY BENZYLIDENE MALONIC ACID DIMETHYL ESTER | C12H12O5 | | |
| 53 | 51947-46-7 | 4-(4-aminobenzyl)-N-ethylaniline | 4-(4-aminobenzyl)-N-ethylaniline | C15H18N2 | | |
| 54 | 51947-52-5 | methyl 5-[(4-aminophenyl)methyl]anthranilate | methyl 5-[(4-aminophenyl)methyl]anthranilate | C15H16N2O2 | | |
| 55 | 51947-89-8 | 2-(6-氯-3-哒嗪氨基)乙醇 | 2-[(6-CHLORO-3-PYRIDAZINYL)AMINO]-1-ETHANOL | C6H8ClN3O | | |
| 56 | 51947-98-9 | 5-羟基-6-甲基烟醛 | 5-Hydroxy-6-Methylnicotinaldehyde | C7H7NO2 | | |
| 57 | 51948-01-7 | N-(3-甲酰基-4,5-二甲基-2-噻吩基)乙酰胺 | N-(3-forMyl-4,5-diMethylthiophen-2-yl)acetaMide | C9H11NO2S | | |
| 58 | 51948-76-6 | 3-(4-hydroxyphenyl)-3-oxopropanal | 3-(4-hydroxyphenyl)-3-oxopropanal | C9H8O3 | | |
| 59 | 51949-57-6 | 2-[(hydroxyphosphinyl)oxy]ethyl methacrylate | 2-[(hydroxyphosphinyl)oxy]ethyl methacrylate | C6H11O5P | | |