| CAS编号 | 中文名 | 英文名 | 分子式 | 分子量 | 熔点 | 沸点 |
| 21521-54-0 | 4-溴-1,2-二碘苯 | 4-bromo-1,2-diiodobenzene | | | | |
| 21521-87-9 | 2-(2-氯乙酰氨基)-5-甲基-1,3,4-噻二唑 | 2-chloro-n-(5-methyl-1,3,4-thiadiazol-2-yl)acetamide | | | | |
| 21521-90-4 | | 2-chloro-n-(5-ethyl-1,3,4-thiadiazol-2-yl)acetamide | | | | |
| 215226-70-3 | | (2z)-2-butenoic aci | | | | |
| 215226-71-4 | | (z)-2-chloro-3-methyl-4-oxobutenoic acid | | | | |
| 215226-72-5 | | 3-(chloromethyl)-4,4-dichloro-2-butenoic aci | | | | |
| 215226-73-6 | | 3-(chloromethyl)-2,4,4-trichloro-2-butenoic aci | | | | |
| 21523-62-6 | 2,3-二甲基吲哚-5-甲酸乙酯 | ethyl 2,3-dimethylindole-5-carboxylate | | | | |
| 21524-23-2 | | 1'-biphenyl]-4-ol, 3-(phenylazo)-[ | | | | |
| 21524-34-5 | 2-溴-1,3,5-三异丙基苯 | 2-Bromo-1,3,5-triisopropylbenzene | | | | |
| 21524-36-7 | | 2,4,6-triisopropylaniline | | | | |
| 21524-39-0 | 2,3-二氟苯腈 | 2,3-difluorobenzonitrile | C7H3F2N | 139.11 | | 189℃ |
| 21524-44-7 | | Ether,benzyl 2,6-dichlophenyl | C13H10Cl2O | 253.12 | | |
| 21524-46-9 | | Mercury,(2,6-dichlorophenolato)phenyl- | C12H8Cl2HgO | 439.69 | | |
| 21524-47-0 | | Mercury,(2,6-dichlorophenolato)(2,4,6-triisopropylphenyl)- | C21H26Cl2HgO | 565.93 | | |
| 21524-48-1 | | Mercury,(2-chlorophenolato)phenyl- | C12H9ClHgO | 405.24 | | |
| 21524-50-5 | | Plumbane,(2,6-dichlorophenoxy)triphenyl- | C24H18Cl2OPb | 600.50 | | |
| 21524-51-6 | | Mercury,(2,6-dichlorophenolato)[p-(dimethylamino)phenyl]- | C14H13Cl2HgNO | 482.76 | | |
| 21524-52-7 | | Mercury,(2,6-dichlorophenolato)mesityl- | C15H14Cl2HgO | 481.77 | | |
| 215248-42-3 | | 4'-(fmoc-amino)-biphenyl-4-carboxylic acid | | | | |
| 215248-47-8 | fmoc-3-氨基-4'-羧基 | fmoc-3-amino-4'-carboxybiphenyl | | | | |
| 215253-76-2 | | 2-(chloromethyl)-3-methoxypyridine | | | | |
| 215254-92-5 | 3-(n-叔丁氧羰基氨基)丙基异氰酸 | 3-(n-butoxycarbonylamino)propylisocyanide | | | | |
| 21526-80-7 | | 2',4'-dimethoxy-3-(4-methyl-1-piperazinyl)-propiophenon | | | | |
| 2152663-73-3 | 1-羟基-7-甲基-1,3-二氢苯并[c][1,2]氧杂硼杂环戊烯-6-羧酸 | 1-hydroxy-7-methyl-1,3-dihydrobenzo[c][1,2]oxaborole-6-carboxylic acid | | | | |
| 2152679-71-3 | | n3-peg12-ch2ch2cooh | | | | |
| 2152683-05-9 | 2,6-二异丙基苯基苊并氮杂环卡宾-苯基烯丙基钯络合物 | 2,6-diisopropyl-phenyl-acenaphthoimidazolylidene-n-heterocycliccarbene-palladium chloride-allyl-phenyl complex | | | | |
| 21527-78-6 | | 5,5',6,6'-tetrachloro-1,1',3,3'-tetraethylbenzimidazolocarbocyanine | | | | |
| 21528-11-0 | | n-(2-aminoethyl)-3-hydroxy-2-naphthalenecarboxamid hydrochloride | | | | |
| 21528-24-5 | | 5-(dimethylamino)-2-[4-(dimethylamino)benzoyl]-benzoic aci | | | | |
| 21528-31-4 | | 2-[4-(dimethylamino)benzoyl]-benzoic aci | | | | |
| 21528-48-3 | | 3-thiazolidinepropanesulfonic acid, 2-[3-cyano-3-(dodecylsulfonyl)-2-propenylid | | | | |
| 21528-59-6 | | 5-{3-heptadecyl-5-oxo-4-[(e)-(4-sulfophenyl)diazenyl]-4,5-dihydro-1h-pyrazol-1-yl}-2-phenoxybenzenesulfonic acid | | | | |
| 21529-86-2 | | dibenzyl-methyl-sulfanium, tetrafluoro borate | | | | |
| 215294-98-7 | 1,4-双(3-羧基-4-羟基苯基乙烯基)苯 | x-34 | | | | |
| 215297-17-9 | | 2-[2-(tert-butyldimethylsilyloxy)ethoxy]ethanamine | | | | |
| 215297-18-0 | n,n′-bis[2-(2-tert-butyldimethylsilyloxyethoxy)ethyl]-3,4,9,10-perylenetetracarboxylic diimide | | | | | |
| 215298-74-1 | | 4-amino-3-ethyl-1h-pyrazole-5-carboxamide | | | | |
| 2153-08-4 | | 2-chloro-p-acetophenetidid | | | | |
| 2153-09-5 | | 2,2-dichloro-n-(4-methoxy-phenyl)-acetamide | | | | |
| 2153-11-9 | 2-氯-n-(4-羟苯基)乙酰胺 | 2-chloro-n-(4-hydroxyphenyl)acetamide | | | | |
| 2153-26-6 | α,α-4-三甲基-3-环己烯-1-甲醇甲酸酯 | 3-Cyclohexene-1-methanol, .alpha.,.alpha.-4-trimethyl-, formate | C11H18O2 | | | |
| 2153-28-8 | 丁酸1-甲基-1-(4-甲基-3-环己烯-1-基)乙酯 | Butanoic acid, 1-methyl-1-(4-methyl-3-cyclohexen-1-yl)ethyl ester | C14H24O2 | | | |
| 2153-98-2 | | hydrochloride, (+)-norpseudoephedrin | | | | |
| 21530-69-8 | | 2-a)quinoline, 2,3,4,4a,5,6-hexahydro-3-acetyl-1h-pyrazino( | | | | |
| 215302-77-5 | | n-boc-4-[(fmoc-amino)methyl]-d-phenylalanine | | | | |
| 215303-72-3 | | rwj 67657 | | | | |
| 215305-98-9 | | tert-butyl (2-piperidin-3-ylethyl)carbamate | | | | |
| 215306-02-8 | | 2-chloro-3,4-pyridinedicarboxylic acid | C7H4ClNO4 | 201.56 | | |
| 215307-86-1 | | bms 753 | | | | |
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