| CAS编号 | 中文名 | 英文名 | 分子式 | 分子量 | 熔点 | 沸点 |
| 21243-22-1 | | 6-fluoro-1,1-dioxo-2,3-dihydrothiochromen-4-one | | | | |
| 21243-26-5 | | 3-b)indole, 6,11-dihydro-4-fluoro-(1)benzothiopyrano( | | | | |
| 21243-32-3 | | 1,1-dimethyl-3-ethyl-ure | | | | |
| 21243-68-5 | | 4,4'-dihydroxy-3-(hydroxymethyl)diphenylmethane | | | | |
| 21244-11-1 | 7-(4-甲氧基苯基)-7-恶庚烷 | 7-(4-methoxyphenyl)-7-oxoheptanoic acid | | | | |
| 21244-33-7 | (4-丙氧基苯基)甲胺 | (4-propoxybenzyl)amine | | | | |
| 21244-34-8 | | 4-isopropoxy-benzylamine | | | | |
| 21244-38-2 | | 4-(3-methylbutoxy)benzenemethanamine | | | | |
| 21244-63-3 | | 5-(3,3-dipropyl-1-triazeno)-imidazole-4-carboxamid monohydrochloride | | | | |
| 21244-64-4 | | 5-(3,3-dibutyl-1-triazeno)-imidazole-4-carboxamid monohydrochloride | | | | |
| 21244-65-5 | | 5-(3,3-dipentyl-1-triazeno)-imidazole-4-carboxamid monohydrochloride | | | | |
| 21244-73-5 | | 5-(3-propyl-1-triazeno)-imidazole-4-carboxamid | | | | |
| 21244-74-6 | | 5-(3-butyl-1-triazeno)-imidazole-4-carboxamid | | | | |
| 21244-78-0 | | 2-(2,6-dichlorophenoxy)acetonitrile | C8H5Cl2NO | | | |
| 21244-81-5 | | (2,6-dimethoxyphenoxy)acetonitrile | | | | |
| 21244-85-9 | | 2-((2,6-xylyloxy)methyl)-2-imidazolin hydrochloride | | | | |
| 21245-01-2 | 4-(二甲氨基)苯甲酸-3-甲基丁酯 | Benzoic acid, 4-(dimethylamino)-, 3-methylbutyl ester | C14H21NO2 | | | 150℃(2.5 |
| 21245-02-3 | 4-(二甲氨基)苯甲酸-2-乙基己酯 | Benzoic acid, 4-(dimethylamino)-, 2-ethylhexyl ester | C17H27NO2 | 277.41 | | 325℃ |
| 21246-18-4 | | bis(3,5-diisopropylsalicylato)-coppe | | | | |
| 21246-63-9 | 十氯-1-四磷酸化-1,3,5-三六乙酸氯磷酸酯 | Decachloro-1-tetraphosphaza-1,3,5-trienium Hexacexachlorophosphate | | | | |
| 21247-98-3 | | benzo(a)pyrene-6-methanol | | | | |
| 212471-40-4 | 3-碘吡嗪-2-甲酸 | 3-iodopyrazine-2-carboxylic acid | | | | |
| 21248-00-0 | | 6-bromo-benzo(a)pyren | | | | |
| 21248-01-1 | | 6-chloro-benzo(a)pyren | | | | |
| 21248-26-0 | | 6,7-dimethyl-5,6,7,8-tetrahydropterine hydrochlor.hemihydr | C8H13N5O.HCl.0*.5*H2O | 321.76 | | |
| 21248-45-3 | | 2-[(2,6-dichlorophenyl)thio]acetic acid | C8H6Cl2O2S | | | |
| 21248-51-1 | | (3,4-dichloro-phenylsulfanyl)-acetic acid | | | | |
| 21248-70-4 | | manganese dilaurate | | | | |
| 212485-91-1 | | 4-(4,5-Dihydro-1H-imidazol-2-yl)phenol | C9H10N2O | 162.19 | 280 ℃ ( dec.) | |
| 21249-13-8 | | n-methyl-methanamin sulfate | | | | |
| 21249-59-2 | | 3-bromo-butanoic aci methyl ester | | | | |
| 21249-93-4 | | (2,2,2-Trifluoro-ethyl)-benzene | C8H7F3 | 160.14 | | |
| 2125-23-7 | 2,4,6-三(2,4-二羟基苯基)-1,3,5-三嗪 | 2,4,6-tris(2,4-dihydroxyphenyl)-1,3,5-triazine | | | | |
| 2125-34-0 | | s-trithiane, 1,1,3,3,5,5-hexoxide | | | | |
| 2125-48-6 | | trimethyl(3-phenylpropyl)-ammoniu iodide | | | | |
| 2125-49-7 | | 3-(dimethylamino)-4'-methoxy-propiophenon hydrochloride | | | | |
| 2125-51-1 | | 3-(dimethylamino)-1-(4-hydroxyphenyl)-1-propanon hydrochloride | | | | |
| 2125-90-8 | 2,3-二氢-6-甲基-3-氧代-4-哒嗪甲酸乙酯 | ethyl 6-methyl-3-oxo-2,3-dihydropyridazine-4-carboxylate | | | | |
| 2125-92-0 | 3-氧代-2,3-二氢哒嗪-4-甲酰胺 | 3-oxo-2,3-dihydropyridazine-4-carboxamide | | | | |
| 2125-94-2 | | 1h-pyrazolo[3,4-c]pyridazin-3-amine | | | | |
| 21250-19-1 | | 2,4-dichloro-1-(sulfinylamino)benzene | | | | |
| 21250-21-5 | | 1,3-dichloro-5-(sulfinylamino)benzene | | | | |
| 21250-85-1 | | n-methoxy-ethanimidic aci ethyl ester | | | | |
| 21251-12-7 | | o-acetyl-n-benzoyl-hydroxylamin | | | | |
| 212515-11-2 | | 5-bromo-4-chloro-3-indolyl-myo-inositol 1-phosphate ammonium salt | | | | |
| 212515-76-9 | | 4-(3,5-dimethylisoxazol-4-yl)benzoic acid | | | | |
| 21252-33-5 | | 3-benzyl-1-(9-(1-methylpyrrolidinio)nonyl)-quinuclidiniu diiodide | | | | |
| 21252-69-7 | | n-octyl imidazole | C11H20N2 | 180.29 | | |
| 21254-04-6 | | 5-amino-1-cyclohexyl-1h-pyrazole-4-carbonitrile | | | | |
| 21254-15-9 | 4-氯-1-异丙基-1h-吡唑并[3,4-d]嘧啶 | 4-chloro-1-isopropyl-1h-pyrazolo[3,4-d]pyrimidine | | | | |
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