| CAS编号 | 中文名 | 英文名 | 分子式 | 分子量 | 熔点 | 沸点 |
| 20496-36-0 | | bis(allyloxymethyl)-phosphinic aci ethyl ester | | | | |
| 20496-87-1 | | 4-methyl-undecanoic acid | C12H24O2 | 200.32 | | |
| 20497-90-9 | | 1-(1-adamantyl)-4-methylpyridinium bromide | C16H22BrN | 308.26 | | |
| 204973-04-6 | | (S)-1-benzyl-3-chloro-pyrrolidine | | | | |
| 204973-10-4 | | 4-amino-2-chloro-n-propylbenzamide | | | | |
| 204974-93-6 | | biil260 hydrochloride | | | | |
| 204975-45-1 | (+)-Goniothalesdiol | | C14H18O5 | 266.3 | | |
| 204977-17-3 | 10-乙基-10H-吩噻嗪-3,7-二甲醛 | 10-Ethyl-10H-phenothiazine-3,7-dicarbaldehyde | C16H13NO2S | 283.34 | | 507.6±50.0 °C(Predicted) |
| 20498-55-9 | | 3-nitroso-1-oxa-3-azaspiro(4.5)decan-2-one | | | | |
| 20498-65-1 | | 1-(3-chlorophenyl)-2-phenylethan-1-ol | C14H13ClO | 232.7054 | | |
| 204981-49-7 | | 2-(neopentyloxycarbonyl)-5-(trifluoromethyl)phenylboronic acid | | | | |
| 204981-54-4 | | ethyl 2-iodo-4-(trifluoromethyl)benzoate | C10H8F3IO2 | 344.07 | | 292.0±40.0 °C(Predicted) |
| 204982-64-9 | | n-(2-hydroxy-1-(hydroxymethyl)-1-methylethyl)benzenesulfonamide | | | | |
| 2049868-46-2 | gsk′963 | gsk-963 | C14H18N2O | 230.31 | | |
| 2049872-86-6 | gsk′962 | gsk 963 inactive control | C14H18N2O | 230.31 | | |
| 204991-14-0 | 3-氮杂双环[3.1.0]己烷-1-基氨基甲酸叔丁酯 | tert-butyl 3-azabicyclo[3.1.0]hexan-1-ylcarbamate | | | | |
| 205-12-9 | | 7h-benzo(c)fluorene | C17H12 | 216.28 | | |
| 205-25-4 | 7h-苯并[c]咔唑 | 7h-benzo[c]carbazole | C16H11N | 217.27 | 136°C | 447°C(lit.) |
| 205-38-9 | 3-萘吡啶吲哚 | 7H-Benzo[e]Pyrido[2,3-b]Indole | C15H10N2 | 218.25 | | 520.5±43.0 °C(Predicted) |
| 205-39-0 | | benzo[b]naphtho[1,2-d]furan (purity) | C16H10O | 218.26 | | |
| 205-43-6 | | benzo(b)naphtho(1,2-d)thiophene | C16H10S | 234.31 | 103° C | 220°C/0.2mmHg(lit.) |
| 205-82-3 | | 10,11-benzfluoranthene | C20H12 | 252.31 | | |
| 205-95-8 | 吲哚并[3,2,1-jk]咔唑 | indolo[3,2,1-jk]carbazole | C18H11N | 241.29 | 136°C | |
| 205-97-0 | | dibenzo(b,k)fluoranthene | | | | |
| 205-99-2 | | benz(e)acephenanthrylene | C20H12 | 252.31 | 163-165℃ | |
| 2050-01-3 | 异丁酸异戊酯 | Isopentyl isobutyrate | C9H18O2 | 158.24 | -70ºC | 169-171 °C |
| 2050-03-5 | | 4-(tert-pentyl)anisole | | | | |
| 2050-04-6 | | ether, pentyl phenyl | C11H16O | 164.24 | | |
| 2050-07-9 | | 4-methyl-1-phenyl-pentan-1-one | C12H16O | 176.26 | | |
| 2050-08-0 | 2-羟基-苯甲酸戊酯 | Benzoic acid, 2-hydroxy-, pentyl ester | C12H16O3 | 208.25 | | 270 °C at 760 mmHg (lit.) |
| 2050-09-1 | | pentanoic acid, 3-methylbutyl ester | C10H20O2 | 172.26 | | |
| 2050-14-8 | | 2,2'-Azodiphenol | C12H10N2O2 | 214.22 | 173-175℃ | |
| 2050-15-9 | 3,3'-二羟基偶氮苯 | 3,3'-dihydroxyazobenzene | | | | |
| 2050-16-0 | 4,4'-二羟基偶氮苯 | 4,4'-dihydroxyazobenzene | C12H10N2O2 | 214.22 | | |
| 2050-19-3 | 二乙基-4-硝基苯-1,2-二羧酸 | diethyl 4-nitrobenzene-1,2-dicarboxylate | C12H13NO6 | 267.24 | | |
| 2050-20-6 | 二乙基庚二酸醛 | Diethyl heptanedioate | C11H20O4 | 216.27 | | 192-194℃ |
| 2050-22-8 | | diethyl 2,3-pyridinedicarboxylate | C11H13NO4 | 223.23 | | 295.8°C |
| 2050-23-9 | 辛二酸二乙酯 | octanedioic acid diethyl ester | C12H22O4 | 230.30 | 5-284℃ | 282℃ |
| 2050-24-0 | | 1,3-diethyl-5-methyl-benzen | C11H16 | 148.24 | | |
| 2050-25-1 | 2-[2-(苯基甲氧基)乙氧基]乙醇 | 2-[2-(phenylmethoxy)ethoxy]-Ethanol | C11H16O3 | 196.25 | | 80℃(0.5 |
| 2050-32-0 | | 2,6-dimethyl-1,3-cyclohexadiene | C8H12 | 108.18 | | |
| 2050-33-1 | | 2,5-dimethyl-1,3-cyclohexadiene | C8H12 | 108.18 | | |
| 2050-43-3 | | 2',4'-acetoxylidide | C10H13NO | 163.22 | 129-132℃ | 290.31 °C(Predicted) |
| 2050-44-4 | | 2',5'-acetoxylidide | C10H13NO | 163.21 | | |
| 2050-46-6 | 1,2-二乙氧基苯 | o-diethoxy-benzen | C10H14O2 | 166.2194 | 43-45℃ | |
| 2050-47-7 | 1,1'-氧二(4-溴苯) | bis(4-bromophenyl)ether | C12H8Br2O | 328.00 | 55-60℃ | 355-360℃ |
| 2050-48-8 | | sulfone, bis(p-bromophenyl) | C12H8Br2O2S | 376.06 | | 455.7°C at 760 mmHg |
| 2050-49-9 | 2,4-二溴-1-萘酚 | 2,4-Dibromo-1-naphthol | C10H6Br2O | 301.96 | 107ºC | 357ºC |
| 2050-51-3 | | 3-(dibutylamino)-1-propano | C11H25NO | 187.32 | | |
| 2050-54-6 | | dibutyl-cyanamid | C9H18N2 | 154.25 | | 264.5 °C at 760 mmHg |
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