| CAS编号 | 中文名 | 英文名 | 分子式 | 分子量 | 熔点 | 沸点 |
| 519-26-6 | | 6-pyridinedicarboxylic acid, 1,4-dihydro-3,5-diiodo-1-methyl-4-oxo- disodium | | | | |
| 519-30-2 | | dimethazan | | | | |
| 519-32-4 | | 1,3,9-trimethyl-xanthine | C8H10N4O2 | 194.19 | 288-290°C (dec.) | |
| 519-34-6 | | maclurin | | | | |
| 519-37-9 | 3,7-二氢-7-(2-羟乙基)-1,3-二甲基-1H-嘌呤-2,6-二酮 | 7-(2-Hydroxyethyl)-1,3-dimethylxanthine | C9H12N4O3 | 224.22 | 163 °C | |
| 519-40-4 | | aspidinol | | | | |
| 519-53-9 | | 6,6'-dimethoxy-2,2'-dimethyl-oxyacanthan-12'-diol | | | | |
| 519-62-0 | 叶绿素B | chlorophyll b | C55H70MgN4O6 | 907.47 | 183-185 °C(lit.) | |
| 519-65-3 | | 1-acetyl-2-phenyl-1,5,5-trimethyl-semioxamazid | | | | |
| 519-66-4 | | 4-hydroxy-1-methyl-3-phenyl-1,2-dihydroquinolin-2-one | C16H13NO2 | | | |
| 519-73-3 | 1,1',1''-次甲基三苯 | 1,1',1''-methylidynetrisbenzene | C19H16 | 244.33 | 92-94 °C(lit.) | 358-359 °C754 mm Hg(lit.) |
| 519-74-4 | 2-二苯甲基哌啶 | 2-diphenylmethylpiperidine | | | | |
| 519-87-9 | N-乙酰二苯胺 | n-phenylacetanilide | C14H13NO | 211.26 | 99.0-102.0°C | |
| 519-88-0 | | 2-dibutylamino-2-(p-methoxyphenyl)-acetamid | | | | |
| 519-96-0 | | patuletin | | | | |
| 519-98-2 | 4-(甲氨基)安替比林 | 4-(methylamino)-antipyrin | C12H15N3O | 217.27 | | |
| 5190-57-8 | | diethyl 2-ethyl-2-(1-methyl-3-oxobutyl)malonate | | | | |
| 5190-63-6 | | 3h-pyrazol-3-one, 4-[(1,3-dihydro-1,3,3-trimethyl-2h-indol-2-ylidene)ethylidene | | | | |
| 5190-68-1 | 4-氯喹唑啉 | 4-Chloroquinazoline | C8H5ClN2 | 164.59 | 96-100℃ | |
| 51900-85-7 | | safapryn | | | | |
| 519002-09-6 | 6-乙基-5-氟嘧啶-4(3h)酮 | 6-(2-chlorophenoxy)-5-fluoro-4(3h)-pyrimidinone | | | | |
| 519003-04-4 | | tert-butyl ((2-bromothiazol-5-yl)methyl)carbamate | C9H13BrN2O2S | 293.18 | | 382.3±25.0 °C(Predicted) |
| 519004-04-7 | | n-allyl-2-methyl-3-nitrobenzamide | | | | |
| 519004-35-4 | N-(3-氟苯基)丙烯酰胺 | N-(3-Fluorophenyl)acrylamide | C9H8FNO | 165.16 | | |
| 519006-12-3 | 1-(1-甲基乙基)-4-[(4-硝基苯基)磺酰基]-哌嗪 | 1-(4-nitrophenyl)sulfonyl-4-propan-2-ylpiperazine | C13H19N3O4S | 313.37 | | |
| 519007-99-9 | | 5-chloro-1-[5-(methylsulfonyl)-2-pyridinyl]-3-(trifluoromethyl)-1h-pyrazole-4-carbonitrile | | | | |
| 51901-48-5 | 甲基硼酸-1,3-丙二醇酯 | 2-methyl-1,3,2-dioxaborinane | C4H9BO2 | 99.9241 | | 94.534℃ at 760 mmHg |
| 51901-85-0 | | B-Bromocatechol-borane | C6H4BBrO2 | 198.81 | 51-53℃ | 76℃(9 to |
| 519016-58-1 | | methyl 5-[(chloroacetyl)amino]-4-cyano-3-methylthiophene-2-carboxylate | | | | |
| 519016-63-8 | | methyl 2-[(chloroacetyl)amino]-4-(4-methylphenyl)thiophene-3-carboxylate | | | | |
| 519016-64-9 | | methyl 2-[(chloroacetyl)amino]-4-(4-chlorophenyl)thiophene-3-carboxylate | | | | |
| 519016-71-8 | | methyl 2-[(chloroacetyl)amino]-4,5,6,7,8,9-hexahydrocycloocta[b]thiophene-3-carboxylate | | | | |
| 519016-78-5 | | 2-amino-4-(2,4-dichlorophenyl)-5-methylthiophene-3-carbonitrile | | | | |
| 519016-79-6 | | 2-amino-5-methyl-4-(4-propylphenyl)thiophene-3-carbonitrile | | | | |
| 519016-80-9 | | 2-amino-4-(4-isopropylphenyl)-5-methylthiophene-3-carbonitrile | | | | |
| 519016-81-0 | | 2-amino-4-(2,5-dimethylphenyl)thiophene-3-carbonitrile | | | | |
| 519016-82-1 | | 2-amino-4-(2,4-dichlorophenyl)thiophene-3-carbonitrile | | | | |
| 519016-83-2 | | 2-amino-4-biphenyl-4-ylthiophene-3-carbonitrile | | | | |
| 519016-85-4 | | 2-amino-4-(4-butylphenyl)thiophene-3-carbonitrile | | | | |
| 519016-86-5 | | 2-amino-4-(3,4-dimethylphenyl)thiophene-3-carboxamide | | | | |
| 519016-87-6 | | 2-amino-4-(4-butylphenyl)thiophene-3-carboxamide | | | | |
| 519016-96-7 | | 1-cyclohexyl-5-nitro-1h-benzimidazole | | | | |
| 519017-60-8 | 4-溴-n-(4-溴-2-氟苯)苯甲酰胺 | 4-bromo-n-(4-bromo-2-fluorophenyl)benzamide | | | | |
| 519017-61-9 | n-(4-溴-2-氟苯基)-4-甲基苯甲酰胺 | n-(4-bromo-2-fluorophenyl)-4-methylbenzamide | | | | |
| 519017-62-0 | n-(4-溴-2-氟苯基)-4-氯苯甲酰胺 | n-(4-bromo-2-fluorophenyl)-4-chlorobenzamide | | | | |
| 519017-68-6 | n-(4-溴-2-氟苯基)-3-甲基苯甲酰胺 | n-(4-bromo-2-fluorophenyl)-3-methylbenzamide | | | | |
| 519018-28-1 | | 4-bromo-1-ethyl-3-methyl-1h-pyrazole | | | | |
| 519018-42-9 | 2-氯-7-羟基喹啉-3-甲醛 | 2-chloro-7-hydroxyquinoline-3-carbaldehyde | | | | |
| 519018-50-9 | | (2-bromo-4-cyano-phenoxy)-acetic acid | | | | |
| 519018-52-1 | 7-溴-3-苯并呋喃酮 | 7-bromobenzofuran-3(2h)-one | C8H5BrO2 | 213.03 | | |
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