| CAS编号 | 中文名 | 英文名 | 分子式 | 分子量 | 熔点 | 沸点 |
| 550-60-7 | 1-硝基-2-萘酚 | 1-nitro-2-naphtho | C10H7NO3 | 189.17 | 101-105°C | |
| 550-70-9 | | 2-(3-(1-pyrrolidinyl)-1-p-tolylpropenyl)-, monohydrochloride, (e)-pyridin | C19H23ClN2 | 314.85 | | |
| 550-73-2 | | 3-methyl-6,7-methylenedioxy-1-piperonyl-isoquinolin | | | | |
| 550-74-3 | | 3-methyl-4-nitro-1-(p-nitrophenyl)-2-pyrazolin-5-on | C10H8N4O5 | 264.19 | 119℃ | |
| 550-79-8 | | afromosin | C17H14O5 | 298.29 | | |
| 550-81-2 | | amopyroquine | | | | |
| 550-82-3 | 7-羟基-10-氧化物-3H-吩恶嗪-3-酮 | 3H-Phenoxazin-3-one,7-hydroxy-,10-oxide | C12H7NO4 | | | |
| 550-83-4 | | benzoic acid, 4-amino-2-propoxy-, 2-(diethylamino)ethyl ester, monohydrochlorid | | | | |
| 550-89-0 | | 1-phenazinecarboxamide | C13H9N3O | 223.23 | | 526.1°C at 760 mmHg |
| 550-90-3 | | lupanine | | | | |
| 550-96-9 | | 2-(2-allyl-6-methoxyphenoxy)-triethylamin hydrochloride | | | | |
| 550-99-2 | 萘甲唑啉盐酸盐 | 2-(1-naphthylmethyl)-2-imidazolin monohydrochloride | C14H14N2·HCl | 246.74 | 254-260℃ | |
| 5500-11-8 | | 3-(p-chlorophenyl)-5-(piperidinomethyl)-isoxazol hydrochloride | | | | |
| 5500-15-2 | | 5-propyl-nonanoic acid | C12H24O2 | 200.32 | | |
| 5500-21-0 | 环丙基腈 | cyanocyclopropane | C4H5N | 67.09 | | 133-135℃ |
| 5500-76-5 | | 8-(p-fluorophenethyl)-1-oxa-8-diazaspiro(4.5)decan-2-one | | | | |
| 55000-14-1 | | {2-[(2-methyl-2-propen-1-yl)oxy]phenyl}amine hydrochloride | | | | |
| 55000-26-5 | | o-nitro-cinnamonitril | | | | |
| 55000-53-8 | | 1,4-Dimethyl-5-octylnaphthalene | C20H28 | 268.44 | | |
| 55000-54-9 | | 2,6-Dimethyl-3-octylnaphthalene | C20H28 | 268.44 | | |
| 55000-55-0 | | naphthalene,7-butyl-1-hexyl- | C20H28 | 268.44 | | |
| 55000-56-1 | | naphthalene,2-butyl-3-hexyl- | C20H28 | 268.44 | | |
| 55001-09-7 | 3-(2-甲氧基苯基)丙酸甲酯 | methyl 3-(2-methoxyphenyl)propionate | C11H14O3 | 194.23 | | |
| 55003-25-3 | (2R,3R,4R,5R)-2-(乙酰氧基甲基)-5-(2-氧代-4-硫代-3,4-二氢嘧啶-1(2H)-基)四氢呋喃-3,4-二基二乙酸酯 | (2R,3R,4R,5R)-2-(Acetoxymethyl)-5-(2-oxo-4-thioxo-3,4-dihydropyrimidin-1(2H)-yl)tetrahydrofuran-3,4-diyl diacetate | C15H18N2O8S | 386.38 | | |
| 55003-40-2 | 1-氟-4-三乙氧甲基苯 | 1-Fluoro-4-(triethoxymethyl)benzene | C13H19FO3 | 242.29 | | |
| 55003-61-7 | | Cobalt,(η5-2,4-cyclopentadien-1-yl)((7,8,9,10,11-η)-7-formyl-1,2,3,4,5,6,8,9,10,11-decahydro-7,8-dicarbaundecaborato(2-))- | C8H16B9CoO | 284.44 | | |
| 55003-63-9 | | Cobalt,((7,8,9,10,11-η)-7-benzoyl-1,2,3,4,5,6,8,9,10,11-decahydro-7,8-dicarbaundecaborate(2-))(η5-2,4-cyclopentadien-1-yl)- | C14H20B9CoO | 360.54 | | |
| 55003-81-1 | 2-（2,6-二氧代哌啶-3-基）-5-硝基异吲哚-1,3-二酮 | 2-(2,6-dioxopiperidin-3-yl)-5-nitroisoindoline-1,3-dione | C13H9N3O6 | 303.23 | | |
| 55004-76-7 | | 4-hydroxy-6,8-dimethyl-2h-chromen-2-one | | | | |
| 55004-77-8 | | | C11H10O3 | 190.2 | | |
| 55005-28-2 | | 6-ethyl-4-hydroxycoumarin | | | | |
| 55005-32-8 | | [1-(4-biphenylyl)ethyl]amine hydrochloride | | | | |
| 55005-33-9 | 1-(4-苯氧基苯基)乙胺盐酸盐 | 1-(4-Phenoxyphenyl)ethan-1-amine hydrochloride | C14H16ClNO | 249.74 | 178 °C | |
| 55007-22-2 | | 4-(2-methoxy-5-methyl-phenyl)-4-oxo-butyric acid | | | | |
| 55007-28-8 | | 1,1'-ethylenebis(3-(2-chloroethyl)-1-nitroso-ure | | | | |
| 55007-44-8 | | 2-bromo-2,4,4-trimethyl-3-pentanone | | | | |
| 55008-18-9 | 2-羟基-3-氨基-5-甲氧基苯甲酸甲酯 | methyl 3-amino-2-hydroxy-5-methoxybenzoate | | | | |
| 55009-84-2 | | methyl 3-(4-chlorophenylthio)-2-methylpropionate | | | | |
| 55011-44-4 | | o-tolidine sulfone, mixture of isomers | C14H14N2O2S | 274.34 | 350℃ | |
| 55011-60-4 | 丁酸4-羟基丁酯 | 4-hydroxybutyl butanoate | C8H16O3 | 160.21 | | |
| 55011-64-8 | | sulfamic acid, compd. with 2-aminoethanol (1:1) | | | | |
| 55011-89-7 | 西酞普兰相关化合物f | citalopram related compound f | C18H22ClN | 287.8 | | |
| 55011-97-7 | | 1,1'-(1,2-ethanediyldiimino)bis(3-(3-chlorophenoxy)-2-propano dimethanesulf | | | | |
| 55012-14-1 | 1,3-苯二羧酸与2-乙基-2-(羟甲基)-1,3-丙二醇、己二酸和2,2,4-三甲基-1,3-戊二醇的聚合物 | 1,3-Benzenedicarboxylic acid,polymer with 2-ethyl-2-(hydroxymethyl)-1,3-propanediol,hexanedioic acid and 2,2,4-trimethyl-1,3-pentanediol | (C8H18O2·C8H6O4·C6H14O3·C6H10O4)x | | | |
| 55012-76-5 | | cis-2-isobutyl-bicyclohexyl | C16H30 | 222.41 | | |
| 55012-77-6 | | trans-2-isobutyl-bicyclohexyl | C16H30 | 222.41 | | |
| 55013-79-1 | | Stannane,trichloro(2-methoxyphenyl)- | C7H7Cl3OSn | 332.18 | | |
| 55013-81-5 | | Stannane,trichloro(2-ethoxyphenyl)- | C8H9Cl3OSn | 346.20 | | |
| 55013-82-6 | | Stannane,trichloro(4-ethoxyphenyl)- | C8H9Cl3OSn | 346.20 | | |
| 55015-10-6 | | isoprodian | | | | |
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