| CAS编号 | 中文名 | 英文名 | 分子式 | 分子量 | 熔点 | 沸点 |
| 1981-58-4 | 磺胺二甲嘧啶钠盐 | SM2-Na | C12H13N4NaO2S | 300.31 | | |
| 1981-80-2 | | 2-Propen-1-yl | C3H5 | 41.07 | | |
| 19810-31-2 | 苄氧基乙酰氯 | benzyloxyacetyl chloride | C9H9ClO2 | 184.62 | | 84-87 °C0.4 mm Hg(lit.) |
| 19810-58-3 | | 2-amino-6-propylpyrimidin-4-ol | C7H11N3O | 153.18 | | |
| 19810-74-3 | | 6-methyl-2-morpholino-4-pyrimidino | | | | |
| 19810-79-8 | 2-吗啉基-4-羟基嘧啶 | 2-morpholinopyrimidin-4-ol | C8H11N3O2 | 181.19 | 169°C | |
| 19811-05-3 | | 2,4-dichlorobenzophenone | C13H8Cl2O | 251.11 | | |
| 19811-10-0 | | 2',4'-dimethylchalcone | | | | |
| 19811-64-4 | | z-gly-gly-gly-onp | C20H20N4O8 | 444.40 | | |
| 19812-49-8 | 2-甲基氮杂环丁烷 | 2-methylazetidine | | | | |
| 19812-60-3 | 2-[2-[2-(2-羟乙氧基)乙氧基]乙氧基]乙基丙烯酸酯 | 2-[2-[2-(2-hydroxyethoxy)ethoxy]ethoxy]ethyl acrylate | C11H20O6 | 248.2729 | | 347 °C at 760 mmHg |
| 19812-63-6 | | diethyl tetradecanedioate | C18H34O4 | 314.46 | 28-31℃ | |
| 19812-64-7 | | Tetradecamethylene glycol | C14H30O2 | 230.39 | 85-89℃ | 356.1°C |
| 19812-92-1 | | 1'-biphenyl]-4-ol, 4'-(1,1-dimethylethyl)-[ | | | | |
| 19812-93-2 | 氰基联苯酚 | 4'-Hydroxy-4-biphenylcarbonitrile | C13H9NO | 195.22 | 192-199 °C | |
| 198124-01-5 | | 1-(2,4-difluorophenyl)-3-(4-phenoxyphenyl)-2-thiourea | | | | |
| 198126-03-3 | | 3-(2-fluorobenzoyl)-1h-pyrrole | | | | |
| 198126-85-1 | | 12,3,6a-ethanylylidene-9,11a-methanoazuleno(2,1-b)azocine-6,8,11-triol, tetrade | | | | |
| 198127-92-3 | | n,n-dimethyl 4,5-diiodo-1h-imidazole-1-sulfonamide | | | | |
| 19813-55-9 | 3-羟基-5-甲氧基噻吩-2-甲酸甲酯 | Methyl 3-hydroxy-5-methoxythiophene-2-carboxylate | C7H8O4S | 188.2 | | |
| 19813-76-4 | | 4-(methylthio)biphenyl | | | | |
| 19813-90-2 | 联苯-4-硫醇 | biphenyl-4-thiol | C12H10S | 186.27 | 108-112 °C | |
| 198134-12-2 | N2-[(9H-芴-9-基甲氧基)羰基]-N-苯基-L-谷氨酰胺 | L-Glutamine, N2-[(9H-fluoren-9-ylmethoxy)carbonyl]-N-phenyl- | C26H24N2O5 | 444.4792 | | 753.4±60.0 °C(Predicted) |
| 198134-42-8 | | 2,6-dimethoxy-4-(2-benzothiazolyl)phenol | | | | |
| 198134-75-7 | n-(2,5-二甲氧基苯)-4-氟苯甲酰胺 | n-(2,5-dimethoxyphenyl)-4-fluorobenzamide | | | | |
| 198134-86-0 | | p,p'-dimethoxylobelanine hydrochloride | | | | |
| 198134-94-0 | | (2e)-3-(2,3-dimethoxyphenyl)-1-(4-methylphenyl)prop-2-en-1-one | | | | |
| 198134-95-1 | | (2e)-3-(2,5-dimethoxyphenyl)-1-(4-methylphenyl)prop-2-en-1-one | | | | |
| 198135-05-6 | | 2,3-dimethoxy-n-(3-nitrophenyl)benzylamine | | | | |
| 198139-51-4 | | 5-fg 488, se | C25H13F2NO9 | 509.37 | | |
| 198139-95-6 | 2-氟-n-(2,5-二甲氧基苯基)苯甲酰胺 | 2-fluoro-n-(2,5-dimethoxyphenyl)benzamide | | | | |
| 19814-71-2 | | 1,1'-oxybis[3-methyl-benzen | | | | |
| 19814-75-6 | | 9,9-dimethylxanthene | C15H14O | 210.27 | 35-38℃ | 114℃(0.6 |
| 198141-10-5 | | 3-[(2-chloropyridin-3-yl)amino]cyclohex-2-en-1-one | | | | |
| 198141-12-7 | 5,6,7,8-四氢-9h-吡啶并[3,2-b]吲哚-9-酮 | 5,6,7,8-tetrahydro-9h-pyrido[3,2-b]indol-9-one | | | | |
| 198142-63-1 | 2',7'-二溴螺[环戊二烯并[1,2-b:5,4-b']二吡啶-5,9'-芴] | 2',7'-Dibromospiro[cyclopenta[1,2-b:5,4-b']dipyridine-5,9'-fluorene] | C23H12Br2N2 | 476.16 | | 597.5±50.0 °C(Predicted) |
| 198142-65-3 | 2,7-二溴螺[芴-9,9'-氧杂蒽] | 2,7-bibromospiro[fluorene-9,9'-xanthene] | C25H14Br2O | 490 | | |
| 198149-19-8 | 1,3,5,7,8-五甲基-2-formyl-4,4-二氟-4-bora-3a,4a-diaza-s-indacene | 1,3,5,7,8-pentamethyl-2-formyl-4,4-difluoro-4-bora-3a,4a-diaza-s-indacene | | | | |
| 19815-16-8 | 4-氯-6-硝基喹唑啉 | 4-chloro-6-nitroquinazoline | C8H4ClN3O2 | 209.59 | | |
| 19815-17-9 | 4-氯-7-硝基喹唑啉 | 4-chloro-7-nitroquinazoline | C8H4ClN3O2 | 209.59 | | 379.9°C at 760 mmHg |
| 19815-97-5 | 2-溴-1-(2,3-二氢-1,4-苯并氧)乙酮 | 2-bromo-1-(2,3-dihydrobenzo[b][1,4]dioxin-5-yl)ethanone | | | | |
| 19816-85-4 | 二苯乙酮对甲苯磺酰腙 | desoxybenzoin p-toluenesulfonylhydrazone | C21H20N2O2S | 364.46 | 139 - 143 ℃ - lit. | 555.2 ℃ at 760 mmHg |
| 19816-88-7 | | 1,3-diphenylacetone p-tosylhydrazone | C22H22N2O2S | 378.48 | 183-188℃ | |
| 19817-07-3 | | 3-ethynyl-1-azabicyclo[2.2.2]octan-3-ol | | | | |
| 19817-12-0 | 1,2,3,4-Tetrahydro-phenanthrol-(9) | | C14H14O | 198.265 | | 393.0±31.0 °C(Predicted) |
| 19817-70-0 | | n-benzoyl-3-phenyl-, ethyl ester, dl-alanin | | | | |
| 19817-88-0 | | hexanoylglucosamine | C12H23NO6 | 277.32 | | |
| 19817-91-5 | | uridine 5'-diphospate, trisodium salt hydrate | C9H11N2Na3O12P2.xH2O | 470.11 | | |
| 19817-92-6 | | uridine 5'-triphosphate, trisodium salt, hydrate | C9H12N2Na3O15P3.xH2O | 550.09 (anhydrous basis) | 140℃ | >110°C |
| 19817-95-9 | 吲哚-3-乙酰基β-D-吡喃葡萄糖 | 1-(1H-Indole-3-acetate) β-D-Glucopyranose; Indole-3-acetic Acid β-Glucoside | C16H19NO7 | 337.32 | 157-161 °C | |
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