| CAS编号 | 中文名 | 英文名 | 分子式 | 分子量 | 熔点 | 沸点 |
| 2030-83-3 | | 3-dodecene | C12H24 | 168.32 | | |
| 2030-84-4 | | 4-dodecene | C12H24 | 168.32 | | |
| 20300-00-9 | | vamidothion sulfoxide | | | | |
| 20300-02-1 | | thiophene-2-thiocarboxamide | C5H5NS2 | 143.22 | | |
| 20300-10-1 | 萘-1-硫代甲酰胺 | naphthalene-1-thiocarboxamide | | | | |
| 20300-26-9 | | (2,2'-binaphthalene)-8,8'-dicarboxaldehyde, 1,1',6,6',7,7'-hexahydroxy-5,5'-dii | | | | |
| 20300-44-1 | | 22-dienolide, 3-beta-((6-deoxy-alpha-l-mannopyranosyl)oxy)-5,14-5-beta-bufa-2 | | | | |
| 20300-50-9 | | odontoside | | | | |
| 20300-59-8 | | 7-methoxycoumarin-3-carboxylic acid | C11H8O5 | 220.18 | | |
| 203000-48-0 | (s,s)-1,2-双[(叔丁基)甲基膦]乙烷合双(硼烷) | (s,s)-1,2-bis[boranato(tert-butyl)methylphosphino]ethane | | | | |
| 203000-59-3 | (s,s)-1,2-双[(叔丁基)甲基膦]乙烷[Η-(2,5-二环庚二烯)]合四氟硼酸铑(i) | | | | | |
| 20301-63-7 | | thiometon-sulfone | | | | |
| 20302-14-1 | 9,9-二苯基芴 | 9,9-diphenylfluorene | | | | |
| 20302-25-4 | | pyridinium, 1-ethyl-3-(p-(p-((p-(1-ethylpyridinium-3-yl)phenyl)carbamoyl)cinnam | | | | |
| 20302-26-5 | | ethylbenzene-2,3,4,5,6-d5 | | | | 136℃ |
| 20302-39-0 | | 3-aza-9-azoniabicyclo(3.3.1)nonane, 3,3'-(m-phenylenebis(oxyethylene))bis(9,9-d | | | | |
| 20302-54-9 | | pyriclor, | | | | |
| 20303-31-5 | | METHYL 5-(BENZYLOXYCARBONYL)-2,4-DIMETHYL-3-PYRROLEPROPIONATE | | | | |
| 20303-38-2 | | Cobalt,tetracarbonyl(triiodogermyl)- | C4CoGeI3O4 | 624.33 | | |
| 20303-39-3 | | Cobalt,tetracarbonyl(dichlorophenylstannyl)- | C10H5Cl2CoO4Sn | 437.67 | | |
| 20304-47-6 | | calactin | | | | |
| 20304-49-8 | | 5-alpha-card-20(22)-enolide, 3-beta-((6-deoxy-beta-d-hexopyranos-2-ulos-1-yl)ox | | | | |
| 20304-70-5 | | 9-amino-2-ethoxy-6-nitro-acridin | | | | |
| 20304-86-3 | | 5-methylbenzofurazan | C7H6N2O | 134.13 | | |
| 2030437-90-0 | 4,4'-双(三氟甲基)-2,2'-联吡啶双[3,5-二氟-2-[5-三氟甲基-2-吡啶基]苯基]铱(iii)六氟磷酸盐 | 4,4'-bis(trifluoromethyl)-2,2'-bipyridinebis[3,5-difluoro-2-[5-trifluoromethyl-2-pyridinyl)phenyl] iridium(iii) hexafluorophosphate | | | | |
| 2030437-92-2 | ir[dffppy]2-(4,4′-dcf3bpy)pf6 | photocatalyst | | | | |
| 203047-33-0 | 1-boc-4-(3-硝基苄基)哌嗪 | 1-boc-4-(3-nitrobenzyl)piperazine | | | | |
| 203047-34-1 | | tert-butyl 4-(3-fluorobenzyl)piperazine-1-carboxylate | | | | |
| 203047-35-2 | | tert-butyl 4-(3-cyanobenzyl)piperazine-1-carboxylate | | | | |
| 203047-37-4 | | 1-(3-nitrobenzyl)piperazine 2hcl | | | | |
| 203047-38-5 | | 3-(1-piperazinylmethyl)benzonitrile | | | | |
| 20305-51-5 | | octanoic acid, (1,2-diethylethylene)di-p-phenylene ester | | | | |
| 20305-86-6 | | acetaldehyde hydroxysulfonate | | | | |
| 203054-46-0 | 2,2-二乙氧基乙脒盐酸盐 | 2,2-diethoxyacetamidine hydrochloride | | | | |
| 203056-15-9 | | (R)-tert-butyl 2-(methoxy(methyl)carbamoyl)piperidine-1-carboxylate | | | | |
| 203056-27-3 | | 1-boc-(2S)-(n-methoxy-n-methylcarbamoyl)piperidine | | | | |
| 203059-80-7 | | 1,2-difluoro-4,5-dimethoxybenzene | | | 41-43℃ | |
| 203059-85-2 | 1,2-二碘-4-氟苯 | 3,4-diiodofluorobenzene | | | | |
| 20306-22-3 | 1,4-环己二甲酸二烯丙酯 (顺反混合物) | diallyl 1,4-cyclohexanedicarboxylate (cis- and trans- mixture) | | | | |
| 20306-38-1 | | 2-methoxyethyl n-phenylcarbamate | | | | |
| 20306-75-6 | N-甲基-3-氧代丁酰胺 | N-methyl-3-oxo-Butanamide | C5H9NO2 | 115.13 | -3℃ | 106℃ |
| 203061-99-8 | | 4-ethyl-1h-pyrazol-3-amine hydrochloride | | | | |
| 203065-88-7 | 2-[4-(三氟甲基)苯基]吡啶 | 2-[4-(trifluoromethyl)phenyl]pyridine | | | | |
| 203067-00-9 | | 3'-fluoro-4'-n-propoxyacetophenone | | | | |
| 203070-78-4 | 9,9-芴二乙醇 | 9,9-bis(2-hydroxyethyl)fluorene | | | | |
| 20308-43-4 | | n-pentyl-benzamid | | | | |
| 20309-70-0 | 2-乙酰基-5-甲氧苯基β-d-吡喃葡萄糖苷 | 2-acetyl-5-methoxyphenyl β-d-glucopyranoside | | | | |
| 20309-77-7 | | trans-1,1,3,4-tetramethylcyclopentane | C9H18 | 126.24 | | |
| 20309-87-9 | | 4-methyleneproline | | | | |
| 2031-23-4 | | 1-(3-chloropropyl)-4-methylpiperazine dihydrochloride | | | | |
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