| CAS编号 | 中文名 | 英文名 | 分子式 | 分子量 | 熔点 | 沸点 |
| 514188-77-3 | 5,5'''-二癸基-2,2':5',2'':5'',2'''-四噻吩 | 5,5'''-didecyl-2,2':5',2'':5'',2'''-quaterthiophene | C36H50S4 | 611.04 | | |
| 51419-28-4 | | 5-amino-2-(2-hydroxy-ethyl)-isoindole-1,3-dione | | | | |
| 51419-48-8 | | hydnocarpin | C25H20O9 | 464.42 | | 740.9±60.0℃ at 760 mmHg |
| 51419-59-1 | | 4-Methylbenzylsulfonyl chloride | H3CC6H4CH2SO2Cl | 204.67 | 76-80 ℃ | |
| 5142-22-3 | | 1-methyladenine | C6H7N5 | 149.15 | 300℃ | |
| 5142-23-4 | | 3-methyl-adenin | C6H7N5 | 149.15 | 300℃ | |
| 5142-67-6 | 邻三联苯-D14 | O-TERPHENYL (D14) | C18D14 | 244.39 | | |
| 5142-75-6 | | Bismuthine,tris[4-methylphenyl]- | C21H21Bi | 482.37 | | |
| 5142-76-7 | | (acetyloxy)oxo-bismuthin | | | | |
| 51420-25-8 | | 2-chloro-4-amino-benzenemethanol | C7H8ClNO | 157.60 | | 323.8±27.0 °C(Predicted) |
| 51420-35-0 | | 3-(ethylthio)-1h-1,2,4-triazol-5-amine | | | | |
| 51420-46-3 | | 5-(4-morpholinyl)-1h-1,2,4-triazol-3-amine | C6H11N5O | 169.19 | | |
| 51420-71-4 | | 5,7-dimethyl-1,8-naphthyridin-2-ol | C10H10N2O | 174.20 | | |
| 51420-72-5 | | 5,7-bis(trifluoromethyl)-1,8-naphthyridin-2-amine | C10H5F6N3 | 281.16 | 195-197 °C | 288.6±35.0 °C(Predicted) |
| 514200-66-9 | | cog 133 trifluoroacetate salt | C97H181N37O19 | 2169.73 | | |
| 514206-06-5 | 3-氨基-4-（苯氨基）苯甲酸甲酯 | Methyl 3-amino-4-(phenylamino)benzoate | C14H14N2O2 | 242.27 | | |
| 514209-40-6 | | 2-(4-methylpiperazin-1-ylmethyl)benzoic acid | C13H18N2O2 | 234.29 | | 368.956°C at 760 mmHg |
| 514209-42-8 | | 3-(4-methyl-piperazin-1-ylmethyl)-benzoic acid | C13H18N2O2 | 234.29 | | 383.7±32.0 °C(Predicted) |
| 51421-11-5 | | 3-amino-1-(1-naphthylmethyl)-2-pyrazolin-5-one | | | | |
| 51421-12-6 | (3-氯苄基)肼 | (3-chlorobenzyl)hydrazine | | | | |
| 51421-13-7 | | (2-chlorobenzyl)hydrazine | | | | |
| 51421-14-8 | | 1-(2,6-dichlorobenzyl)hydrazine | | | | |
| 51421-16-0 | 3-氟苄肼 | (3-fluorobenzyl)hydrazine | | | | |
| 51421-27-3 | (2-溴苄基)肼 | (2-bromobenzyl)hydrazine | | | | |
| 51421-34-2 | (3-(三氟甲基)苄基)肼 | (3-(trifluoromethyl)benzyl)hydrazine | C8H9F3N2 | 190.169 | | |
| 51421-35-3 | | (1,3-benzodioxol-5-ylmethyl)hydrazine hydrochloride | | | | |
| 51421-37-5 | [(2,4-二氯苯基)甲基]肼 | [(2,4-dichlorophenyl)methyl]hydrazine | | | | |
| 51421-67-1 | 二氯-氮杂杯[2]芳烃[2]三嗪 | dichloro-diazadioxacalix[2]arene[2]triazine | | | | |
| 51421-95-5 | | 4-fluoro-6-methoxypyrimidine | C5H5FN2O | 128.1044 | | |
| 51421-96-6 | 6-氟嘧啶-4-胺 | 6-Fluoropyrimidin-4-amine | C4H4FN3 | 113.09 | | |
| 51421-99-9 | 4-氯-2-甲氧基嘧啶 | 4-chloro-2-methoxypyrimidine | C5H5ClN2O | 144.56 | | 234.5±32.0 °C(Predicted) |
| 514216-44-5 | 4,5-二氯-2-甲基吡啶 | 4,5-dichloro-2-methylpyridine | | | | |
| 514218-43-0 | | methyl 2-[(cyanoacetyl)amino]-5-[(diethylamino)carbonyl]-4-methylthiophene-3-carboxylate | | | | |
| 514218-51-0 | | 2-cyano-n-(3-cyano-4-ethyl-5-methyl-2-thienyl)acetamide | | | | |
| 514218-53-2 | | diethyl 5-[(cyanoacetyl)amino]-3-methylthiophene-2,4-dicarboxylate | | | | |
| 514218-58-7 | | ethyl 5-(aminocarbonyl)-2-[(cyanoacetyl)amino]-4-methylthiophene-3-carboxylate | | | | |
| 514219-45-5 | | dimethyl 5-[(cyanoacetyl)amino]-3-methylthiophene-2,4-dicarboxylate | | | | |
| 514219-83-1 | | methyl 2-[(cyanoacetyl)amino]-4-ethyl-5-methylthiophene-3-carboxylate | | | | |
| 51422-00-5 | 4-氯-2-氟嘧啶 | 4-chloro-2-fluoropyrimidine | | | | |
| 51422-01-6 | 4-氯-6-氟嘧啶 | 4-Chloro-6-fluoropyrimidine | C4H2ClFN2 | 132.52 | | 169.9±20.0 °C(Predicted) |
| 51422-54-9 | | 2-(2-ethoxyethoxy)-2-methyl-propan | | | | |
| 51422-77-6 | | methyl n-(3-methoxyphenyl)carbamate | | | | |
| 51422-78-7 | | methyl n-(2,5-dichlorophenyl)carbamate | | | | |
| 514221-07-9 | | 3-(2-methoxy-phenoxymethyl)-benzoic acid | | | | |
| 514222-44-7 | | fluconazole impurity c | C10H8N6 | 212.21 | | |
| 51423-19-9 | | cis-ormeloxifene hydrochloride | | | | |
| 51423-20-2 | | cis-an-4-yl) phenoxy)ethyl) | | | | |
| 51423-95-1 | | 2,6-dimethyl-2,3-dihydro-4h-chromen-4-one | | | | |
| 51424-33-0 | | 6-isoquinolinol, 1,2,3,4-tetrahydro-7-methoxy-1-methyl-, hydrochloride, (1R)-(+ | | | | |
| 51424-66-9 | | (-)-3beta-acetoxy-5-etienic acid | C22H32O4 | 360.49 | 237-241℃ | |
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