| CAS编号 | 中文名 | 英文名 | 分子式 | 分子量 | 熔点 | 沸点 |
| 2121-79-1 | 顺-1,4-环己二胺二盐酸盐 | cis-1,4-cyclohexanediamine dihydrochloride | C6H14N2·2HCl | 187.11 | | |
| 21210-43-5 | | (S)-(+)-methyl mandelate | C9H10O3 | 166.17 | 54-58℃ | 138 °C / 16mmHg |
| 21210-90-2 | 2,5-二(2-噻吩基)噻吩并[3,2-b]噻吩 | 2,5-di(2-thienyl)thieno[3,2-b]thiophene | C14H8S4 | 304.46 | | |
| 2121081-15-8 | tert-butyl 8-cyano-5-azaspiro[2.5]octane-5-carboxylate | | C13H20N2O2 | 236.3093 | | |
| 21211-07-4 | | methyl 3-chlorobenzo(b)thiophene-2-carboxylate | C10H7ClO2S | 226.67 | 80-82℃ | 338.8±22.0 °C(Predicted) |
| 21211-09-6 | | 3-chlorobenzo[b]thiophene-2-carboxamide | C9H6ClNOS | 211.66 | | 392.7 °C at 760 mmHg |
| 21211-18-7 | 3,6-二氯苯并[b]噻吩-2-羧酸甲酯 | methyl 3,6-dichlorobenzo[b]thiophene-2-carboxylate | C10H6Cl2O2S | 261.12 | | |
| 21211-20-1 | 3-氯-6-氟苯并[b]噻吩-2-羧酸甲酯 | methyl 3-chloro-6-fluorobenzo[b]thiophene-2-carboxylate | CH6ClFO2S | 244.67 | | |
| 21211-22-3 | 3-氯苯并(b)噻吩-2-羧酸 | 3-Chlorobenzo[b]thiophene-2-carboxylic acid | C9H5ClO2S | 212.65 | 268-272 °C(lit.) | |
| 21211-65-4 | 2,2'-二吡咯基甲烷 | 2,2'-dipyrrolylmethane | C9H10N2 | 146.19 | | |
| 212116-76-2 | | c8 peg5000 ceramide | | | | |
| 212116-78-4 | | c16 peg2000 ceramide | C41H77NO7 | 696.1 | | |
| 212118-77-9 | FlAsH-EDT2 | | C24H18As2O5S4 | 664.5 | | |
| 212120-61-1 | | tbs-dhg catalyst | | | | |
| 2121243-76-1 | 2-(环丙基磺酰基)异烟酸甲酯 | Methyl2-(cyclopropylsulfonyl)isonicotinate | C10H11NO4S | 241.26 | | |
| 212127-71-4 | 3-(烯丙氧基)丙基-1-烯-2-基硼酸频哪醇酯 | 3-(allyloxy)prop-1-en-2-ylboronic acid pinacol ester | | | | |
| 212127-80-5 | 2-(2,5-二氢呋喃-3-基)-4,4,5,5-四甲基-1,3,2-二氧杂环戊硼烷 | 2-(2,5-dihydrofuran-3-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane | C10H17BO3 | 196.05 | | 216.8±50.0°C at 760 mmHg |
| 212127-81-6 | 2-(5,6-二氢-2h-吡喃-3-基)-4,4,5,5-四甲基-1,3,2-二氧杂硼烷 | 2-(5,6-dihydro-2h-pyran-3-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane | | | | |
| 212127-83-8 | 1-boc-2,5-二氢吡咯-3-硼酸频哪醇酯 | 1-boc-2,5-dihydropyrrole-3-boronic acid pinacol ester | C15H26BNO4 | 295.19 | | |
| 21213-10-5 | | 2-(n-propylthio)benzoic acid | | | | |
| 21213-68-3 | | 5-(3,7-dimethyl-6,7-epoxy-2-octenyloxy)-3-benzodioxole | | | | |
| 21213-89-8 | | 4'-hydroxy-2-(methylamino)-acetophenon | | | | |
| 212132-38-2 | 1-(1-(4-(Chloromethyl)phenyl)ethoxy)-2,2,6,6-tetramethylpiperidine | | C18H28ClNO | 309.87 | | |
| 212133-11-4 | (S)-2-[(sp)-2-(二苯基膦)二茂铁基]-4-异丙基-2-噁唑啉三苯基膦二氯化钌(ii)络合物 | (S)-2-[(sp)-2-(diphenylphosphino)ferrocenyl]-4-isopropyl-2-oxazoline triphenylphosphine ruthenium(ii) dichloride complex | | | | |
| 212133-54-5 | | poly[1,3.4-oxadiazole-2,5-diyl-1,4-phenylene-1,2-ethenediyl[2,5-bis(octyloxy)-1,4-phenylene-1,2-ethenediyl-1,4-phenylene] | | | | |
| 212135-62-1 | 5-Chloro-2-hydroxy-N-[2-methyl-4-(alpha-cyano-4-chlorobenzyl)-5-chlorophenyl]benzamide | ZT-1a | C22H15Cl3N2O2 | 445.73 | | |
| 212138-35-7 | 4-(吡啶-4-基炔基)苯甲酸 | 4-(Pyridin-4-ylethynyl)benzoic acid | C14H9NO2 | 223.23 | | |
| 212138-65-3 | 1-(2,2-二溴乙烯基)-2,4-二氯苯 | 2,4-dichloro-1-(2,2-dibromovinyl)benzene | | | | |
| 212138-75-5 | | 2',4'-dichloro-biphenyl-2-amine | | | | |
| 212139-07-6 | | 2-(2,4-dichlorophenyl)-3-nitro-4-pyridinecarboxylic acid | C12H6Cl2N2O4 | 313.09 | | |
| 212139-17-8 | | cyclopropyl 2,4-dichlorophenyl ketone | C10H8Cl2O | 215.08 | | |
| 21214-11-9 | | (2,3-dihydrobenzofuran-2-yl)methanamine | | | | |
| 21214-39-1 | | 1,4-benzenediol, 2-(1,1-dimethylethyl)-, 4,4',4''-phosphate | | | | |
| 212140-39-1 | | n6-fmoc-d-lysine | C21H24N2O4 | 368.43 | | 609.9°C at 760 mmHg |
| 212141-51-0 | 瓦他拉尼碱二盐酸盐 | vatalanib dihydrochloride | C20H17Cl3N4 | 419.7348 | | 624℃ at 760 mmHg |
| 212141-54-3 | 瓦他拉尼碱 | vatalanib base | C20H15ClN4 | 346.8129 | | 587.8℃ at 760 mmHg |
| 212142-18-2 | 琥珀酸瓦他拉尼 | n-(4-chlorophenyl)-4-(pyridin-4-ylmethyl)phthalazin-1-amine succinate | C24H21ClN4O4 | 464.9 | | |
| 212143-23-2 | | dichlorobisdiphenylphosphinobinaphthyl | C58H48Cll2N2P2Ru | 1006.94 | 351-353°C | |
| 212143-24-3 | | dichlorobisdiphenylphosphinobinaphthylbismethoxyphenylmethylbutanediam | C63H58Cl2N2O2P2Ru | 1109.07 | | |
| 212143-39-0 | | dimethyl 2,2'-((2-((tert-butoxycarbonyl)amino)ethyl)azanediyl)diacetate | C13H24N2O6 | 304.34 | | |
| 2121431-60-3 | 3-methoxycarbonylbicyclo[3.1.0]hexane-6-carboxylic acid | | C9H12O4 | 184.1887 | | |
| 21215-52-1 | | n-(alpha-methyl-m-trifluoromethylphenethyl)-propionamid | | | | |
| 21215-62-3 | | calcitonin m | C151H226N40O45S3 | 3417.87 | | |
| 2121511-44-0 | (2-氯-5-氟-3-甲基苯基)硼酸 | (2-Chloro-5-fluoro-3-methylphenyl)boronic acid | C7H7BClFO2 | 188.39 | | |
| 2121511-49-5 | 5-溴-4-甲基吡啶-3-硼酸 | 5-Bromo-4-methylpyridine-4-boronic acid | C6H7BBrNO2 | 215.84028 | | |
| 2121511-59-7 | 2-Fluoro-5-(cyclopropyl)pyridine-3-boronic acid | | C8H9BFNO2 | 180.9719632 | | |
| 2121511-79-1 | 2-(4-溴-2,6-二甲基苯基)-4,4,5,5-四甲基-1,3,2-二氧苯甲醛 | 4-Bromo-2,6-dimethylphenylboronic acid pinacol ester | C14H20BBrO2 | 311.0224 | | 362.2±42.0 °C(Predicted) |
| 2121511-91-7 | (3-氯-6-氟-2-甲氧基苯基)硼酸 | (3-Chloro-6-fluoro-2-methoxyphenyl)boronic acid | C7H7BClFO3 | 204.39 | | |
| 2121512-03-4 | 2,5-二氟-4-(4,4,5,5-四甲基-1,3,2-二氧硼杂环戊烷-2-基)苯甲醛 | 2,5-Difluoro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzaldehyde | C13H15BF2O3 | 268.06 | | |
| 2121512-18-1 | (3-氯-2-乙氧基-5-氟苯基)硼酸 | (3-Chloro-2-ethoxy-5-fluorophenyl)boronic acid | C8H9BClFO3 | 218.42 | | 374.5±52.0 °C(Predicted) |
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