| CAS编号 | 中文名 | 英文名 | 分子式 | 分子量 | 熔点 | 沸点 |
| 205041-15-2 | N1,N3-二烯丙基丙烷-1,3-二胺二盐酸盐 | N1,N3-Diallylpropane-1,3-diamine dihydrochloride | C9H20Cl2N2 | 227.17 | | |
| 205043-09-0 | 2-(二氟甲氧基)吡啶-4-醇 | 2-(difluoromethoxy)pyridin-4-ol | C6H5F2NO2 | 161.11 | | |
| 205046-59-9 | 5-硝基喹啉-8-甲腈 | 5-nitroquinoline-8-carbonitrile | C10H5N3O2 | 199.17 | | 422.8±35.0°C |
| 2050545-76-9 | 一氟甲基(2-吡啶基)亚砜亚胺-tbs | n-tert-butyldimethylsilyl-2-[s-(fluoromethyl)sulfonimidoyl]pyridine | | | | |
| 205055-10-3 | 6-氟苯并噻喃 | 6-fluorobenzo[b]thiophene | C8H5FS | 152.19 | | |
| 205055-63-6 | 1-氯-6-溴异喹啉 | 6-bromo-1-chloroisoquinoline | C9H5BrClN | 242.5 | | |
| 205057-02-9 | 二苯基碘鎓双(氟磺酰)亚胺 | diphenyliodonium bis(fluorosulfuryl)imide | | | | |
| 205058-11-3 | | tert-butyl 4-(2-oxo-4-phenyl-2,3-dihydro-1h-imidazol-1-yl)piperidine-1-carboxylate | | | | |
| 205058-28-2 | 4-苯基-1-(4-哌啶基)-4-(4,5-二氢咪唑)-2-酮 | 4-phenyl-1-(4-piperidinyl)-4-imidazolin-2-one | C14H17N3O | 243.3 | | |
| 205058-78-2 | 3-(哌啶-4-基)喹啉-2(1h)-酮 | 3-piperidin-4-yl-1h-quinolin-2-one | C14H16N2O | 228.29 | | |
| 205059-22-9 | 1-苄基-3-(吡啶-3-基)哌嗪 | 1-Benzyl-3-(pyridin-3-yl)piperazine | C16H19N3 | 253.35 | | |
| 205059-24-1 | | 1-boc-4-(piperidin-4-yl)-piperazine | C14H27N3O2 | 269.38 | | 362.9°C at 760 mmHg |
| 205059-39-8 | 1-(1-boc-哌啶-4-基)-哌嗪盐酸盐 | 1-(1-boc-piperidin-4-yl)-piperazine hydrochloride | | | | |
| 2050595-03-2 | | mpeg12-oh | C25H52O13 | 560.67 | | |
| 20506-24-5 | | cobaltate(1-), bis[2-(3-chlorophenyl)-2,4-dihydro-4-[[2-hydroxy-5-(methylsulfon | | | | |
| 205064-10-4 | | (+)-1,2-bis((2S,5S)-2,5-dimethylphospholano)benzene(cyclooctadiene)rhodium(l)tetrafluoroborate | C18H28P2 | 306.36 | | |
| 20509-23-3 | | Kromycin | C20H30O5 | 350.45 | | |
| 2050905-86-5 | | ethyl 11-azidoundecanoate | | | | |
| 2050906-97-1 | Mutated EGFR-IN-2 | | C29H35FN8O3 | 562.64 | | |
| 2050948-14-4 | 3-溴-9,9-二甲基-9H-芴-2-胺 | 3-Bromo-9,9-dimethyl-9H-fluoren-2-amine | C15H14BrN | 288.18 | | |
| 2050948-19-9 | 3-溴-9,9-二苯基-9H-芴-2-胺 | 3-Bromo-9,9-diphenyl-9H-fluoren-2-amine | C25H18BrN | 412.32 | | 517.5±50.0 °C(Predicted) |
| 2051-00-5 | | oxalic acid bis-(3-methylbutyl)ester | C12H22O4 | 230.30 | | |
| 2051-04-9 | | diisopentyl disulfide | C10H22S2 | 206.41 | | 248°C(lit.) |
| 2051-05-0 | | sulfurous acid dipentyl ester | C10H22O3S | 222.34 | | |
| 2051-06-1 | | diisopentyl sulphone | | | | |
| 2051-07-2 | | 1,5-bis(p-methoxyphenyl)-4-pentadien-3-one | C19H18O3 | 294.35 | 128-129℃ | 492°C |
| 2051-10-7 | | 5,6-chrysenedione | C18H10O2 | 258.27 | | |
| 2051-18-5 | | Benzene,1-(chloromethyl)-4-(1-methylethyl)- | C10H13Cl | 168.66 | | 228.2°C |
| 2051-24-3 | | 2,2',3,3',4,4',5,5',6,6'-decachlorobiphenyl | C12Cl10 | 498.66 | | |
| 2051-28-7 | 十氢喹啉 | Decahydroquinoline,mixture of cis and trans | C9H17N | 139.24 | 37.5-45 °C | 95℃ |
| 2051-30-1 | | 2,6-dimethyl-octane | C10H22 | 142.28 | | 158°C |
| 2051-31-2 | | decan-4-ol | C10H22O | 158.28 | | 210-211℃ |
| 2051-32-3 | | 3-ethyl-octan-3-ol | C10H22O | 158.28 | | |
| 2051-33-4 | | 5-methyl-2-(1-methylethyl)-hexan-1-ol | C10H22O | 158.28 | | |
| 2051-38-9 | | 1-Methylpropyl 3-methylbutanoate | C9H18O2 | 158.24 | | |
| 2051-45-8 | | 2-[(R)-2,2,3-trimethyl-cyclopent-3-enyl]-ethylamine | C10H19N | 153.26 | | |
| 2051-49-2 | 己酸酐 | Hexanoic acid anhydride | C12H22O3 | 214.30 | -40-248℃ | 246-248℃ |
| 2051-50-5 | | acetic acid(±)-1-methyl-heptyl ester | C10H20O2 | 172.26 | | |
| 2051-53-8 | | 5-isopropyl-2-methyl-aniline | C10H15N | 149.23 | | |
| 2051-55-0 | | 5-isopropenyl-2-methyl-cyclohex-2-enone oxime | | | | |
| 2051-59-4 | | 6-chloro-coumari | C9H5ClO2 | 180.5878 | | 334.9 °C at 760 mmHg |
| 2051-60-7 | | PCB No 1 | C12H9Cl | 188.65 | | 274 °C |
| 2051-61-8 | | PCB No 2 | C12H9Cl | 188.65 | | |
| 2051-62-9 | 4-氯-1,1'-联苯 | PCB No 3 | C12H9Cl | 188.65 | | |
| 2051-65-2 | | 5-chloro-2-hydroxybenzenesulphonic acid | | | | |
| 2051-76-5 | 丙烯酸酐 | Propenoic anhydride | C6H6O3 | 126.11 | | |
| 2051-78-7 | | butanoic acid prop-2-enyl ester | C7H12O2 | 128.17 | | |
| 2051-79-8 | N,N-二乙基-2-甲基-1,4-苯二胺盐酸盐 | cd-2 | C11H18N2·ClH | 214.73 | 250℃ | |
| 2051-82-3 | | n-(4-aminophenyl)-n-ethyl-acetamid | | | | |
| 2051-84-5 | | N-isopentyl-aniline | C11H17N | 163.26 | | |
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