| CAS编号 | 中文名 | 英文名 | 分子式 | 分子量 | 熔点 | 沸点 |
| 551-04-2 | | naphthalene-1-acetic acid propyl ester | C15H16O2 | 228.29 | | |
| 551-06-4 | 异硫氰酸-1-萘酯 | isothiocyanic acid, 1-naphthyl ester | C11H7NS | 185.25 | 53-57℃ | |
| 551-08-6 | 3-亚丁基-1(3H)-异苯并呋喃酮 | 3-butylidene-1(3H)-Isobenzofuranone | C12H12O2 | | | |
| 551-09-7 | | n-1-naphthalenyl-2-ethanediamine | C12H14N2 | 186.25 | | |
| 551-11-1 | | prosta-5,13-dien-1-oic acid, 9,11,15-trihydroxy-, (5z,9-alpha,11-alpha,13e,15S) | C20H34O5 | 354.48 | | |
| 551-15-5 | 4′,7-dihydroxyflavanone 4′-glucoside | liquiritin | | | | |
| 551-16-6 | 3-二甲基-7-氧代-4-硫杂-1-氮杂二环[3.2.0]庚烷-2-羧酸-6-氨基-3 | 6-Aminopenicillanic acid;6-Amino-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3,2,0]heptane-2-carboxylic acid;6-APA | C8H12N2O3S | 216.26 | 197-203℃ | |
| 551-27-9 | | propicillin | | | | |
| 551-35-9 | | n-isopropyl-salicylamid | | | | |
| 551-36-0 | | salicylic acid, p-amino-, 2-(diethylamino)ethyl ester, hydrochloride | | | | |
| 551-45-1 | | 2-allyl-4-hydroxy-3-methyl-2-cyclopenten-1-one | | | | |
| 551-51-9 | | 1-(2,5-diphenyl-3-furyl)-3-(4-methyl-1-piperazinyl)-1-propanon dihydrochlor | | | | |
| 551-55-3 | | hexyl 3-indoleacetate | | | | |
| 551-58-6 | | (7as-(7(2R*,3S*),7ar*))-izin-7-yl) methyl este | | | | |
| 551-62-2 | 1,2,3,4-四氟苯 | 1,2,3,4-tetrafluorobenzene | C6H2F4 | 150.07 | -42-42℃ | 95℃ |
| 551-64-4 | | zinc tartrate | | | | |
| 551-68-8 | | d-psicose | C6H12O6 | 180.15 | | |
| 551-72-4 | | l-chiro-inositol | | | 230℃ | |
| 551-74-6 | | 1,6-bis((2-chloroethyl)amino)-1,6-dideoxy-, dihydrochloride, d-mannito | | | | |
| 551-84-8 | | d-xylulose | C5H10O5 | 150.13 | | |
| 551-88-2 | | 3-nitro-pentane | C5H11NO2 | 117.15 | | |
| 551-92-8 | 1,2-二甲基-5-硝基咪唑 | 1,2-dimethyl-5-nitro-imidazol | C5H7N3O2 | 141.13 | | |
| 551-93-9 | O-氨基苯乙酮 | 1-(2-aminophenyl)-Ethanone | C8H9NO | 135.16 | 20-99℃ | 70-71℃(3 |
| 5510-56-5 | 4-[(2-氨基苯基)硫]-N,N-二甲基-3-硝基苯磺酰胺 | 4-((2-Aminophenyl)thio)-N,N-dimethyl-3-nitrobenzenesulfonamide | C14H15N3O4S2 | 353.42 | | |
| 5510-99-6 | | 2,6-di-sec-butyl-pheno | C14H22O | 206.32 | -42-42℃ | 255-260℃ |
| 55100-02-2 | | (2-methoxyethyl)(tetrahydrofuran-2-ylmethyl)amine | | | | |
| 55100-33-9 | | n-methyl-3,4,5-trimethoxybenzamide | | | | |
| 55100-63-5 | | polymer with hexanedioic acid, 2-(hydroxymethyl)-3-benzenedicarboxylic acid | | | | |
| 55100-93-1 | | O-[2,2,2-trifluoro-1,1-bis(trifluoro-methyl)ethyl]-O,O-(trifluoromethyl)peroxycarbonate | C6F12O4 | 364.04 | | |
| 551001-79-7 | 5-甲氧基苯并呋喃-2-硼酸 | (5-methoxybenzofuran-2-yl)boronic acid | | | | |
| 551002-32-5 | | 2-(4-methoxy-phenyl)-benzofuran-5-carboxylic acid methyl ester | | | | |
| 551002-42-7 | | 2,4-difluoro-6-iodophenol | | | | |
| 55101-01-4 | | Arsonic acid,(2-amino-5-nitrophenyl)- | C6H7AsN2O5 | 262.05 | | |
| 55101-26-3 | | n(4)-glucopyranosylsulfamethazine | | | | |
| 55102-19-7 | | chlorohydridotris(triphenylphosphine)-ruthenium(i | C54H46ClP3Ru | 924.40 | | |
| 55102-43-7 | | urea, 1-(2-chloroethyl)-1-nitroso-3-ribopyranosyl-, 2',3',4-triacetate | | | | |
| 55102-44-8 | | urea, 1-(2-chloroethyl)-1-nitroso-3-ribofuranosyl-, 5'-(p-nitrobenzoate), 2',3' | C18H21ClN4O9 | 472.83 | | |
| 55102-99-3 | | 1-bromo-4-(4-fluorophenoxy)benzene | | | | |
| 55103-52-1 | | 4-ethoxycyclohexanone ethylene ketal | | | | |
| 55103-82-7 | | 2-methyl-dodec-2-ene | C13H26 | 182.35 | | |
| 55104-35-3 | 5-羟基苯酞 | 5-hydroxyphthalide | | | | |
| 55104-63-7 | | ethyl 2-oxo-2-(pyridin-2-yl)acetate | | | | |
| 55106-53-1 | | 1-bromocyclohexanecarboxylic acid | | | | |
| 55107-14-7 | 4,4-二甲基-3-戊酮酸甲酯 | Pentanoic acid, 4,4-dimethyl-3-oxo-, methyl ester | C8H14O3 | | | |
| 55108-28-6 | | 1,1'-(2-hydroxy-5-methyl-1,3-phenylene)diethanone | | | | |
| 55108-54-8 | | 4-chloro-2-ethyl-6-methylpyrimidine | | | | |
| 55109-62-1 | | 2-Butyl-1,3-octanediol | C12H26O2 | 202.33 | | |
| 55109-63-2 | | 2-Pentyl-1,3-nonanediol | C14H30O2 | 230.39 | | |
| 5511-18-2 | 1-金刚烷甲酰胺 | 1-adamantanecarboxamide | C11H17NO | 179.26 | 188-192℃ | |
| 5511-98-8 | | acetate, alpha-digoxi | | | | |
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