| CAS编号 | 中文名 | 英文名 | 分子式 | 分子量 | 熔点 | 沸点 |
| 51938-25-1 | | alpha-(2-nonylphenyl)- omega -hydroxy-poly(oxy-2-ethanediyl) | | | | |
| 51938-28-4 | 过氧(三甲基乙酸)叔己酯 | t-Hexyl peroxy pivalate | | | | |
| 51938-32-0 | 8-α-l-arabinopyranosyl-6-β-d-glucopyranosyl-5,7-dihydroxy-2-(4-hydroxyphenyl)-4h-1-benzopyran-4-one | schaftoside | | | | |
| 51938-42-2 | | solanin | | | | |
| 51938-44-4 | | sorbitan, octadecanoate (2:3) | | | | |
| 51938-50-2 | | surgumycin | | | | |
| 51939-28-7 | | d methyl 2-propenoate | | | | |
| 51939-71-0 | | chroman-2-carboxylic acid | | | | |
| 5194-32-1 | | 2-methylpyrimidine-5-carboxylic acid | | | | |
| 5194-37-6 | 4-溴-1-苯并噻吩-2-羧酸 | 4-bromo-1-benzothiophene-2-carboxylic acid | | | | |
| 5194-48-9 | | 2-(phenylacetyl)benzamide | | | | |
| 5194-50-3 | | cis,trans-hexa-2,4-diene | C6H10 | 82.14 | | |
| 5194-51-4 | | trans,trans-hexa-2,4-diene | C6H10 | 82.14 | | |
| 51940-32-0 | 2-氯-8-乙基-5,6,7,8-四氢-5-氧代吡啶并[2,3-D]嘧啶-6-羧酸乙酯 | 2-Chloro-8-ethyl-5,6,7,8-tetrahydro-5-oxopyrido[2,3-d]pyrimidine-6-carboxylic acid ethyl ester | C12H14ClN3O3 | 283.72 | | |
| 51940-33-1 | 2-氯-8-乙基-5,8-二氢-5-氧代吡啶并[2,3-D]嘧啶-6-羧酸乙酯 | Ethyl 2-chloro-8-ethyl-5,8-dihydro-5-oxopyrido[2,3-d]pyrimidine-6-carboxylate | C12H12ClN3O3 | 281.70 | | |
| 51940-44-4 | 吡哌酸 | pyrido(2,3-d)pyrimidine-6-carboxylic acid, 5,8-dihydro-8-ethyl-5-oxo-2-(1-piper | C14H17N5O3 | 303.33 | | |
| 51940-63-7 | 6-氯嘧啶-4-甲酸乙酯 | ethyl 6-chloropyrimidine-4-carboxylate | | | | |
| 51940-64-8 | | ethyl 2,4-dichloropyrimidine-5-carboxylate | | | | |
| 51940-78-4 | | 1-(3-chlorophenyl)-3-(2-(3,3-dimethyl-1-azetidinyl)ethyl)-2-imidazolidinon | | | | |
| 51940-79-5 | | 1-(3-chlorophenyl)-3-(2-(3,3-dipropyl-1-azetidinyl)ethyl)-2-imidazolidinon | | | | |
| 51940-80-8 | | 1-(3-chlorophenyl)-3-(2-(3,3-dibutyl-1-azetidinyl)ethyl)-2-imidazolidinon | | | | |
| 51940-81-9 | | 2-imidazolidinone, 1-(3-chlorophenyl)-3-(2-(3,3-dipropyl-1-azetidinyl)-1-methyl | | | | |
| 51940-83-1 | | 2-imidazolidinone, 1-(4-chlorophenyl)-3-(2-(3,3-dipropyl-1-azetidinyl)-1-methyl | | | | |
| 51940-84-2 | | 2-imidazolidinone, 1-(3-chlorophenyl)-3-(2-(3,3-dimethyl-1-azetidinyl)-1-methyl | | | | |
| 51941-00-5 | | piperazineethanol, 4-phenyl-, n-(7-trifluoromethoxy-4-quinolyl)anthranilate, di | | | | |
| 51941-02-7 | | 4-(3-chlorophenyl)-piperazineethano n-(7-trifluoromethoxy-4-quinolyl)anthra | | | | |
| 51941-04-9 | | 4-(alpha,alpha,alpha-trifluoro-m-tolyl)-piperazineethano n-(7-trifluorometh | | | | |
| 51941-10-7 | | 4-(3-chlorophenyl)-1-piperazineethano | | | | |
| 51941-85-6 | 5-甲基-1h-吲唑-3-甲酸甲酯 | methyl 5-methyl-1h-indazole-3-carboxylate | | | | |
| 51942-32-6 | | 2'-(methylthio)benzanilide | | | | |
| 51942-41-7 | 2-叔丁硫基苯胺 | 2-(tert-butylthio)aniline | | | | |
| 51943-31-8 | | 3-beta,14-diacetoxy-5-beta,14-beta-card-20(22)- enolide | | | | |
| 51943-58-9 | | benzoxazolium, 3-ethyl-2-[3-(3-ethyl-4-methyl-2(3h)-thiazolylidene)-1-propenyl] | | | | |
| 51943-99-8 | | carbonic acid, 2-[3-oxo-3-(2-oxocyclopentyl)propyl]-1,4-phenylene diethyl ester | | | | |
| 51944-00-4 | | 2,5-bis[(ethoxycarbonyl)oxy]-benzenepropanoic aci | | | | |
| 51944-41-3 | | isocyanic acid, 4-(p-isocyanatobenzyl)-m-phenylene ester | | | | |
| 51944-43-5 | | 1,1-Dibromo-1,1,2,3,4,5-hexahydro-selenophene | C4H8Br2Se | 294.87 | | |
| 51944-67-3 | | n-benzylcrotonamide | | | | |
| 51946-06-6 | N,N'-[亚氨基双(2,1-亚乙基亚氨基-2,1-亚乙基)]双十八酰胺 | N,N'-[iminobis(2,1-ethanediylimino-2,1-ethanediyl)]bis-Octadecanamide | C44H91N5O2 | | | |
| 51946-13-5 | | 3-(decyloxy)-2-hydroxy-1-propanesulfonic aci monosodium salt | | | | |
| 51946-14-6 | | 2-hydroxy-3-(octyloxy)-1-propanesulfonic aci monosodium salt | | | | |
| 51947-19-4 | | 4-[[4,4,5,5,5-pentafluoro-3-(pentafluoroethyl)-1,2,3-benzenesulfonyl chlorid | | | | |
| 51947-45-6 | | 4-hydroxy benzylidene malonic acid dimethyl ester | C12H12O5 | 236.22 | 155-160℃ | |
| 51947-52-5 | | 2-amino-5-[(4-aminophenyl)methyl]-benzoic aci methyl ester | | | | |
| 51947-89-8 | 2-(6-氯-3-哒嗪氨基)乙醇 | 2-(6-chloro-3-pyridazinylamino)ethanol | | | | |
| 5195-24-4 | | 4,4-Dimethyl-1-phenyl-3-pentanone | C13H18O | 190.28 | | |
| 5195-29-9 | | 2-(4-bromophenyl)-2-oxoacetaldehyde | | | | |
| 5195-39-1 | | 3,4-dimethyl-1,2-dihydronaphthalene | C12H14 | 158.24 | | |
| 5195-40-4 | | 1,2-dimethyl-1,2,3,4-tetrahydro-naphthalene | C12H16 | 160.26 | | |
| 51951-04-3 | | ho-peg2-ch2cooh | | | | |
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