| CAS编号 | 中文名 | 英文名 | 分子式 | 分子量 | 熔点 | 沸点 |
| 4499-19-8 | | 4,3-cd)indole-2-carboxylic acid, 3,4-dihydro-9-chloro-6-methyl-1h-azepino( e | | | | |
| 4499-20-1 | | 4,3-cd)indole, 3,4,5,6-tetrahydro-6-methyl-1h-azepino( hydrochloride | | | | |
| 4499-21-2 | | 4,3-cd)indole, 3,4-dihydro-9-chloro-1,6-dimethyl-1h-azepino( hydrochloride | | | | |
| 4499-40-5 | 胆茶碱 | choline, compd. with theophylline (1:1) | C12H21N5O3 | 283.33 | | |
| 4499-83-6 | | sexiphenyl | | | | |
| 4499-86-9 | 四丙基氢氧化铵溶液 | 1-Propanaminium, N,N,N-tripropyl-, hydroxide | C12H28N·HO | 203.36 | | 102℃ |
| 4499-91-6 | 二十二烷酸锂 | Docosanoic acid, lithium salt | C22H44O2·Li | | | |
| 44991-89-1 | | (2-hydroxyethyl)trimethyl-ammoniu ester with methylphosphonofluoridate | | | | |
| 44992-01-0 | 氯化-N,N,N-三甲基-2-[(1-氧代-2-丙烯酰氧)基]-乙铵 | Ethanaminium, N,N,N-trimethyl-2-[(1-oxo-2-propenyl)oxy]-, chloride | C8H16NO2·Cl | | | |
| 450-39-5 | | 4-fluoro-4'-methoxybiphenyl | | | | |
| 450-55-5 | | 2-fluoro-4'-phenyl-acetanilid | | | | |
| 450-62-4 | | 7-(trifluoromethyl)-1,2,3,4-tetrahydroquinoline | C10H10F3NO4 | 265.18 | | |
| 450-83-9 | | fluoromethoxybenzaldehyde4 | C8H7FO2 | 154.14 | | |
| 450-88-4 | 2-溴-5-氟苯甲醚 | 2-bromo-5-fluoroanisole | | | | |
| 450-89-5 | | 2-chloro-5-fluoroanisole | C7H6ClFO | 160.58 | | |
| 450-90-8 | 4-氟-1-碘-2-甲氧基苯 | 5-fluoro-2-iodoanisole | | | | |
| 450-91-9 | 4-氟-2-甲氧基苯胺 | 4-fluoro-2-methoxyaniline | | | | |
| 450-93-1 | 4-氟-2-甲氧基苯酚 | 4-Fluoro-2-methoxyphenol | C7H6FO2 | 141.12 | | |
| 450-94-2 | | alpha-fluoromethyl-benzyl alcoho | | | | |
| 450-95-3 | | 2-fluoro-acetophenon | C8H7FO | 138.14 | | |
| 450-96-4 | 1-氯-2-(三氟甲氧基)苯 | 1-chloro-2-(trifluoromethoxy)benzene | | | | |
| 4500-01-0 | (Z)-9-十八烯酸-2-羟基乙基酯 | (Z)-9-Octadecenoic acid, 2-hydroxyethyl ester | C20H38O3 | | | |
| 4500-12-3 | 2-金刚烷酮肟 | 2-adamantanone, oxime | C10H15NO | 165.23 | 164-167℃ | |
| 4500-20-3 | | 4-phenylcyclohexanone oxime | | | | |
| 4500-29-2 | 2,2'-(环己基亚氨基)二乙醇 | 2,2'-(cyclohexylimino)bis-Ethanol | C10H21NO2 | | | |
| 4500-31-6 | | 2-(dicyclohexylamino)-ethano | | | | |
| 4500-58-7 | 2-乙基苯硫酚 | 2-ethyl-benzenethio | C8H10S | 138.23 | | 203-205℃ |
| 4500-99-6 | | pyridoxal 5'-diphospho-5'-adenosine | | | | |
| 45000-93-9 | 二氯化三乙氧基钨(v) | tungsten(v) dichloride triethoxide | | | | |
| 45007-61-2 | | hexitol | | | | |
| 4501-00-2 | | erythromycin phosphate | | | | |
| 4501-30-8 | | 2-ethyl-5-hydroxy-isoquinoliniu bromide | | | | |
| 4501-31-9 | | (z)-3-(4-hydroxyphenyl)-2-propenoic acid | | | | |
| 4501-35-3 | 1-环己基-2-甲基苯 | 1-cyclohexyl-2-methylbenzene | | | | |
| 4501-36-4 | | p-tolylcyclohexane | C13H18 | 174.28 | | |
| 4501-37-5 | 1-环己基-2-乙基苯 | 1-cyclohexyl-2-ethylbenzene | | | | |
| 4501-38-6 | 1-环己基-3-乙基苯 | 1-cyclohexyl-3-ethylbenzene | | | | |
| 4501-39-7 | 1-环己基-4-乙基苯 | 1-cyclohexyl-4-ethylbenzene | | | | |
| 4501-51-3 | | 1-cyclohexyl-2,4-dimethylbenzene | C14H20 | 188.31 | | |
| 4501-52-4 | | 2-cyclohexyl-1,4-dimethylbenzene | C14H20 | 188.31 | | |
| 4501-58-0 | 2,2,3-三甲基-(R)-3-环戊烯-1-乙醛 | 2,2,3-trimethyl-, (R)-3-Cyclopentene-1-acetaldehyde | C10H16O | | | |
| 4501-60-4 | | ethyl 5-anilino-3-methyl-4-pyrazolecarboxylate | | | | |
| 4501-70-6 | | alpha-(2-(methylphenethylamino)ethyl)-alpha-phenyl-2-pyridinemethano oxalat | | | | |
| 45011-26-5 | | n,n-bis(2-hydroxyethyl)-2-methyl-2-propenamid | | | | |
| 45019-28-1 | 4-甲基壬酸 | 4-methyl-Nonanoic acid | C10H20O2 | 172.26 | | |
| 4502-00-5 | | 4-methyl-2-oxopentanoic acid, sodium salt, hydrate | C6H9NaO3.xH2O | | 280℃ | |
| 4502-04-9 | | ethanol-1-14c | C2H6O | 46.06 | | |
| 4502-10-7 | | 2'-amino-3'-hydroxy-acetophenon | | | | |
| 4502-13-0 | | alpha-methyltyrosine methyl ester | | | | |
| 4502-14-1 | | alpha-(aminomethyl)-p-hydroxy-benzyl alcoho hydrochloride | | | | |
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