| CAS编号 | 中文名 | 英文名 | 分子式 | 分子量 | 熔点 | 沸点 |
| 52-30-2 | | 2,4-diaza-8-silaspiro(5.5)undecane-1,3,5-trione, 8,8-dimethyl-11-ethyl | | | | |
| 52-31-3 | | 5-(1-cyclohexen-1-yl)-5-ethyl-barbituric aci | C12H16N2O3 | 236.27 | | |
| 52-39-1 | 醛固酮 | 21-dihydroxy-3,20-dioxo- 1 (11-beta)-pregn-4-en-18-a | C21H28O5 | 360.45 | | |
| 52-41-5 | | 3,5-trione, 8,8-dimethyl-4-diaza-8-silaspiro(5.5)undecane-1 | | | | |
| 52-42-6 | | 5-dione, 8,8-dimethyl-3-thio-4-diaza-8-silaspiro(5.5)undecane-1 | | | | |
| 52-43-7 | 二烯丙基丙二酰脲 | 5,5-diallyl-barbituric aci | C10H12N2O3 | 208.21 | | |
| 52-44-8 | | 2,4-diazaspiro(5.5)undecane-1,3,5-trione | | | | |
| 52-45-9 | | 5-dione, 3-thioxo-4-diazaspiro(5.5)undecane-1 | | | | |
| 52-46-0 | | 1,3,5,2,4,6-triazatriphosphorine, 2,2,4,4,6,6-hexakis(1-aziridinyl)-2,2,4,4,6,6 | C12H24N9P3 | 387.30 | | |
| 52-47-1 | | a-nor-17-alpha-pregn-20-ene-2-beta,17-beta-diol, 2-alpha-ethynyl-20,21,21-trifl | | | | |
| 52-49-3 | 安坦 | Trihexphenidyl hydrochloride | C20H32ClNO | 337.93 | | |
| 52-51-7 | 抑菌醇 | 1,3-Propanediol,2-bromo-2-nitro- | C3H6BrNO4 | 199.99 | 120℃ | |
| 52-52-8 | 1-氨基环戊烷甲酸 | 1-Aminocyclo-pentanecarboxylic acid | C6H11NO2 | 129.16 | | |
| 52-53-9 | 维拉帕米 | -[3-[[2-(3,4-Dimethoxyphenyl)ethyl]methyl-lamino]propyl]-3,4-dimethoxy-(1-methylethyl)benzeneacetonitrile | C27H38N2O4 | 454.59 | 25°C | 243-246 ºC |
| 52-55-1 | | 3,5-trione, 8,8,11-trimethyl-4-diaza-8-silaspiro(5.5)undecane-1 | | | | |
| 52-56-2 | | 3,5-trione, 8,8-dimethyl-4-diaza-8-silaspiro(5.6)dodecane-1 | | | | |
| 52-57-3 | | 5-dione, 8,8-dimethyl-3-thio-4-diaza-8-silaspiro(5.6)dodecane-1 | | | | |
| 52-60-8 | | phosphorothioic acid, o,o-diethyl o-(4-(methylthio)-3,5-xylyl) ester | | | | |
| 52-61-9 | | 3-acetyloxy-1-benzyl-1-methyl-pyrrolidiniu bromide | | | | |
| 52-62-0 | | 1,1'-pentamethylenebis(1-methyl-pyrrolidiniu tartrate (1:2) | C23H42N2O12 | 538.59 | 213℃ | |
| 52-64-2 | | glycine-2-14c | C2H5NO2 | 75.06 | | |
| 52-66-4 | DL-青霉胺 | β,β-Dimethyl-DL-cysteine | C5H11NO2S | 149.20 | 208-212℃ | 251.8±35.0℃ (760 Torr) |
| 52-67-5 | D-青霉胺 | 3-mercapto-d-valin | C5H11NO2S | 149.21 | 212℃ | |
| 52-68-6 | O,O-二甲基-(2,2,2-三氯-1-羟基乙基)磷酸酯 | Trichlorfon | C4H8Cl3O4P | 257.44 | 77-81℃ | 100°C |
| 52-72-2 | | 3-alpha-hydroxy-2-beta-morpholino-5-alpha-androstan-17-on | | | | |
| 52-73-3 | | 17-beta-diol, 2-alpha-ethynyl-17-alpha-methyl-a-norandrostane-2-bet | | | | |
| 52-74-4 | 2α,17α-二乙炔基-2β,17β-二羟基-A-失碳-5α-雄甾烷 | 2,17-Diethinyl-2,17-dihydroxy-A-nor-5-androstane | C22H30O2 | 326.48 | | |
| 52-76-6 | | 19-nor-17-alpha-pregn-4-en-20-yn-17-ol | C20H28O | 284.44 | 158ºC | 399.6ºC |
| 52-78-8 | | 17α-ethyl-17-hydroxy-4-norandrosten-3-one | C20H30O2 | 302.45 | | |
| 52-79-9 | | 17-hydroxy-, (5-alpha,17-alpha)-19-norpregn-20-yn-3-on | | | | |
| 52-83-5 | | 2-benzyl-1-(dimethylnitroryl)-3-phenyl-3-pentanol | | | | |
| 52-85-7 | 伐灭磷 | Famphur(ESA) | C10H16NO5PS2 | 325.34 | | |
| 52-86-8 | 氟哌醇 | brotopon | C21H23ClFNO2 | 375.88 | 152 °C | |
| 52-88-0 | | 8-methyl-atropiniu nitrate | C18H26NO3.NO3 | 366.41 | | |
| 52-89-1 | L-半胱氨酸盐酸盐水合物 | L-Cysteine, hydrochloride | C3H8ClNO2S | 157.62 | | |
| 52-90-4 | L-丰胱胺酸 | L-Cysteine | C3H7NO2S | 121.16 | 220℃ | |
| 52-91-5 | | 5-alpha-pregnane-11,20-dione, 3-alpha-hydroxy-16-alpha-methyl-2-beta-morpholino | | | | |
| 52-92-6 | | 20-dione, 3-alpha-hydroxy-2-beta-morpholino-5-alpha-pregnane-1 | | | | |
| 520-03-6 | N-苯基邻苯二甲酰亚胺 | 2-Phenyl-isoindole-1,3-dione | C14H9NO2 | 223.23 | 204-207℃ | 388.8°C at 760 mmHg |
| 520-07-0 | | salicylic acid compd. with antipyrine (1:1) | C18H18N2O4 | 326.35 | | |
| 520-09-2 | | 5-(bis-(2-chloroethyl)amino)-6-methyl-uraci | | | | |
| 520-10-5 | | Arsenaxo I | C16H10AsN2Na3O11S2 | 614.27 | | |
| 520-11-6 | 6-甲氧基木犀草素 | 6-methoxyluteolin | | | | |
| 520-12-7 | 柳穿鱼黄素 | pectolinarigenin | C17H14O6 | 314.28 | | 565.5°C |
| 520-14-9 | | 3'-(glucopyranosyloxy)-3,4',5,5',7-pentahydroxy-flavon | C21H20O13 | 480.376 | 245 °C(decomp) | 498.46 °C(rough estimate) |
| 520-17-2 | 天竺葵素 | Leucopelargonidin | C15H14O6 | 290.27 | | |
| 520-18-3 | 4,5,7三羟黄酮醇 | 3,4',5,7-tetrahydroxy-flavon | C15H10O6 | 286.24 | 276 °C | |
| 520-20-7 | | 1-(3-hydroxy-5-methyl-4-phenylhexyl)-1-methyl-piperidiniu bromide | | | | |
| 520-26-3 | 桔皮甙 | 4h-1-benzopyran-4-one, 7-[[6-o-(6-deoxy- alpha-l-mannopyranosyl)- beta-d-glucop | C28H34O15 | 610.26 | 258-262℃ | |
| 520-27-4 | 地奥斯明 | 3',5,7-Trihydroxy-4'-methoxyflavone 7-rutinoside | C28H32O15 | 608.55 | 277-278 °C | |
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