| CAS编号 | 中文名 | 英文名 | 分子式 | 分子量 | 熔点 | 沸点 |
| 4909-81-3 | | benzoic acid(S)-sec-butyl ester | C11H14O2 | 178.23 | | |
| 4909-95-9 | 3-乙基-4-羟基-5-甲基苯腈 | 3-ethyl-4-hydroxy-5-methylbenzonitrile | | | | |
| 491-01-0 | | neomenthol | | | | |
| 491-02-1 | | neoisomenthol | C10H20O | 156.26 | | |
| 491-04-3 | | 1-methyl-4-isopropyl-1-cyclohexen-3-ol | C10H18O | 154.25 | | |
| 491-05-4 | | 3-methyl-6-(1-methylethenyl)-2-cyclohexen-1-o | | | | |
| 491-07-6 | 顺-5-甲基-2-(1-甲基乙基)环己酮 | 5-methyl-2-(1-methylethyl)-, cis-Cyclohexanone | C10H18O | 154.25 | | |
| 491-09-8 | 3-甲基-6-(1-甲基亚乙基)-2-环己烯-1-酮 | 2-Cyclohexen-1-one, 3-methyl-6-(1-methylethylidene) | C10H14O | | | |
| 491-11-2 | | 3-chloro-4-nitro-pheno | | | | |
| 491-14-5 | | 5-(3,5-di-sec-butylcyclopent-1-enyl)-2,3,5- trihydroxyvaleric acid | | | | |
| 491-19-0 | (2R,3R,4S)-2-(羟甲基)四氢呋喃-3,4-二醇 | (2R,3R,4S)-2-(hydroxymethyl)tetrahydrofuran-3,4-diol | | | | |
| 491-26-9 | | nicotine, 1'-oxide | | | | |
| 491-30-5 | 1-羟基异喹啉 | 1-isoquinolinol | C9H7NO | | 213-215℃ | |
| 491-31-6 | 1H-2-苯并吡喃-1-酮 | 1H-2-Benzopyran-1-one | C9H6O2 | | | |
| 491-33-8 | 8-巯基喹啉 | 8-mercaptoquinoline | C9H7NS | 161.23 | | |
| 491-34-9 | | 1,2,3,4-tetrahydro-1-methylquinoline | | | | |
| 491-35-0 | 4-甲基喹啉 | 4-methyl-Quinoline | C10H9N | 143.18 | 9-10℃ | 261-263℃ |
| 491-36-1 | 喹唑酮-4 | 4(3h)-quinazolinone | C8H6N2O | 146.15 | 215-219℃ | |
| 491-37-2 | 4-氯酮 | 2,3-dihydro-4-benzopyranone | C9H8O2 | 148.16 | 33-38℃ | 127-128℃ |
| 491-38-3 | | chromone | C9H6O2 | 146.14 | 55-60℃ | |
| 491-39-4 | | 1-thiochromone | | | | |
| 491-45-2 | | phloroglucide hydrate | C12H10O5.xH2O | | 300℃ | |
| 491-50-9 | | 4h-1-benzopyran-4-one, 3,5-dihydroxy-2-(3,4-dihydroxyphenyl)-7-(beta-d-glucopyr | | | | |
| 491-52-1 | | leukoefdin | | | | |
| 491-54-3 | | 4'-methoxy-3,5,7-trihydroxy-flavanon | C16H12O6 | 300.26 | | |
| 491-58-7 | | chrysarobin crude from goa powder | | | | |
| 491-59-8 | | 9-anthracenetriol, 3-methyl-8 | | | | |
| 491-60-1 | 大黄素蒽酮 | emodin anthrone | | | | |
| 491-64-5 | | 1,3-dihydroxy-7-methoxy-xanthen-9-on | | | | |
| 491-67-8 | 黄芪素 | baicalein | | | 256-271℃ | |
| 491-69-0 | 异樱花苷 | | | | | |
| 491-70-3 | | 3',4',5,7-tetrahydroxyflavone | | | | |
| 491-71-4 | | 4',5,7-trihydroxy-3'-methoxy-flavon | | | | |
| 491-72-5 | | olivetolic acid | | | | |
| 491-74-7 | | 7-(beta-d-glucopyranosyloxy)-5-hydroxy-3- (3-hydroxy-4,5-dimethoxyphenyl)-6-methoxychromen- 4-one | | | | |
| 491-78-1 | 5-羟基黄酮 | 5-Hydroxyflavone | C15H10O3 | 238.24 | | |
| 491-80-5 | 5,7-二羟基-3-(4-甲氧苯基)-4H-1-苯并吡喃-4-酮 | 5,7- dihydroxy-3-(4-methoxyphenyl)-4H-1-Benzopyran-4-one | C16H12O5 | | 212-215℃ | |
| 491-92-9 | | 8-((4-(diethylamino)-1-methylbutyl)amino)-6-methoxy-quinolin | | | | |
| 4910-03-6 | | 3,5-diethyl-4-hydroxy-benzonitril | | | | |
| 4910-04-7 | 3-叔丁基-4-羟基苯腈 | 3-(tert-butyl)-4-hydroxybenzonitrile | | | | |
| 4910-06-9 | | 3-bromo-5-tert-butyl-4-hydroxy-benzonitril | | | | |
| 4910-40-1 | | 4-methoxytetrafluorobenzyl bromide | C8H5BrF4O | 273.03 | | 65℃(1.3 |
| 4910-46-7 | | n-acetyl-b-asp-glu | C11H16N2O8 | 304.25 | | |
| 4910-47-8 | | ac-asp-ome | C7H11NO5 | 189.16 | | |
| 4911-46-0 | | 2,3-dibromo-1,4-dichlorobutane | | | | |
| 4911-54-0 | | ethyl 4-methyl-4-pentenoate | C8H14O2 | 142.20 | | 85℃(20 t |
| 4911-55-1 | | penta-1,3-diyne | C5H4 | 64.08 | | |
| 4911-60-8 | | 2,2-dimethyl-3-hexyne | C8H14 | 110.20 | | |
| 4911-65-3 | | 3-chloropropyl phenyl sulfide | C9H11ClS | 186.70 | | 115℃(3 t |
| 4911-66-4 | | 1-chloro-3-ethylsulfanyl-propane | C5H11ClS | 138.66 | | |
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