| CAS编号 | 中文名 | 英文名 | 分子式 | 分子量 | 熔点 | 沸点 |
| 51937-85-0 | | copper benzene-1,3,5-tricarboxylate mof, hkust-1(cu) | | | | |
| 51938-03-5 | | 5h-pyrazolo(1,2-a)pyrazol-1-one, 6,7-dihydro-2,3-dimethyl-1 | | | | |
| 51938-04-6 | | 5h-pyrazolo(1,2-a)pyrazol-1-one, 6,7-dihydro-2-ethyl-3-methyl-1 | | | | |
| 51938-05-7 | | 5h-pyrazolo(1,2-a)pyrazol-1-one, 6,7-dihydro-3-ethyl-2-methyl-1 | | | | |
| 51938-12-6 | | 4-(propylnitrosamino)-1-butano | | | | |
| 51938-13-7 | | 3-(butylnitrosoamino)-1-propano | | | | |
| 51938-14-8 | | 2-(butylnitrosamino)-ethano | | | | |
| 51938-15-9 | | 1-(butylnitrosamino)-2-propanon | | | | |
| 51938-16-0 | | 4-(methylnitrosamino)-1-butano | | | | |
| 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 | C26H28O14 | 564.49 | 228ºC | 935ºC at 760 mmHg |
| 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 | C10H10O3 | 178.19 | | 356.1°C at 760 mmHg |
| 51939-85-6 | 2-(2-氰基丙-2-基)丙二酸二乙酯 | Diethyl 2-(2-cyanopropan-2-yl)malonate | C11H17NO4 | 227.26 | | 325.4±32.0 °C(Predicted) |
| 5194-32-1 | | 2-methylpyrimidine-5-carboxylic acid | C6H6N2O2 | 138.12 | 203-205°C | |
| 5194-37-6 | 4-溴-1-苯并噻吩-2-羧酸 | 4-bromo-1-benzothiophene-2-carboxylic acid | C9H5BrO2S | 257.10 | | 429.7°C at 760 mmHg |
| 5194-48-9 | | 2-(phenylacetyl)benzamide | | | | |
| 5194-50-3 | | (E,Z)-2,4-hexadiene | C6H10 | 82.14 | | |
| 5194-51-4 | | trans,trans-2,4-hexadiene | 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 | 251-255 °C | 534.9ºC |
| 51940-63-7 | 6-氯嘧啶-4-甲酸乙酯 | ethyl 6-chloropyrimidine-4-carboxylate | C7H7ClN2O2 | 186.6 | | |
| 51940-64-8 | | ethyl 2,4-dichloropyrimidine-5-carboxylate | C7H6Cl2N2O2 | 221.04 | 36-37ºC | 311.9ºC |
| 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 | C10H10N2O2 | 190.201 | | |
| 51942-32-6 | | 2'-(methylthio)benzanilide | | | | |
| 51942-41-7 | 2-叔丁硫基苯胺 | 2-(tert-butylthio)aniline | C10H15NS | 181.30 | | 271.9±13.0°C at 760 mmHg |
| 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 | | | | |
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