| 1 | 551-01-9 | 6-methoxy-8-(3-diethylaminopropylamino)quinoline | C17H25N3O | 287.4 | | |
| 2 | 551-04-2 | propyl 2-naphthalen-1-ylacetate | C15H16O2 | 228.29 | | |
| 3 | 551-06-4 | 1-Naphthyl isothiocyanate | C11H7NS | 185.24 | 55.5-57°C(lit.) | insoluble |
| 4 | 551-08-6 | Butylidene phthalide | C12H12O2 | 188.22 | 82.5°C | |
| 5 | 551-09-7 | N-(1-naphthyl)ethylenediamine | C12H14N2 | 186.25 | 229.0-231.6 °C(Solv: dichloromethane (75-09-2)) | |
| 6 | 551-10-0 | 1-methyl-2H-indole-3,5,6-trione | C9H7NO3 | 177.15678 | | |
| 7 | 551-11-1 | dinoprost | C20H34O5 | 354.49 | 25-35° | |
| 8 | 551-15-5 | Liquiritin | C21H22O9 | 418.4 | 208 °C(Solv: ethanol (64-17-5)) | |
| 9 | 551-16-6 | 6-Aminopenicillanic acid | C8H12N2O3S | 216.26 | 198-200°C (dec.)(lit.) | Soluble in water and hydrochoric acid. |
| 10 | 551-27-9 | PROPICILLIN | C18H22N2O5S | 378.44 | | |
| 11 | 551-29-1 | (+)-Diasyringaresinol | C22H26O8 | 418.44 | 185-186 °C(Solv: ethanol (64-17-5)) | |
| 12 | 551-30-4 | Diasesamin | C20H18O6 | 354.35 | 168-171 °C | |
| 13 | 551-33-7 | 1,19-Dioxo-2,7,13,18-tetramethyl-3,17-diethyl-1,19,22,24-tetrahydro-21H-biline-8,12-dipropionic acid | C33H38N4O6 | 586.68 | | |
| 14 | 551-35-9 | N-ISOPROPYLSALICYLAMIDE | C10H13NO2 | 179.22 | | |
| 15 | 551-37-1 | Unii-jq69D454N1 | C14H10MgO6 | 298.5306 | | |
| 16 | 551-41-7 | 1H-Indole-3-aceticacid, 1,1-dimethylethyl ester | C14H17NO2 | 231.29028 | | |
| 17 | 551-42-8 | 1H-Indole-3-acetic acid, pentyl ester | C15H19NO2 | 245.32 | | |
| 18 | 551-43-9 | 1,4:3,6-Dianhydro-D-mannitol dinitrate | C6H8N2O8 | 236.14 | | |
| 19 | 551-45-1 | 4-hydroxy-3-methyl-2-prop-2-enyl-cyclopent-2-en-1-one | C9H12O2 | | | |
| 20 | 551-48-4 | bis[3-[2-(2,6-dichlorophenoxy)ethyl]carbazamidine] sulphate | C18H26Cl4N8O6S | 624.32604 | 214° | |
| 21 | 551-55-3 | hexyl 2-(1H-indol-3-yl)acetate | C16H21NO2 | 259.34344 | | |
| 22 | 551-57-5 | (2S,3S)-2,3-Dihydroxy-2-isopropylbutanoic acid [(1R,7aα)-hexahydro-1H-pyrrolizin-1-yl]methyl ester | C15H27NO4 | 285.38 | 102-103.5°C | |
| 23 | 551-58-6 | SUPININE | C15H25NO4 | 283.366 | 148.5°C | |
| 24 | 551-59-7 | SUPINIDINE | C8H13NO | 139.19 | | |
| 25 | 551-62-2 | 1,2,3,4-Tetrafluorobenzene | C6H2F4 | 150.07 | -42 °C (lit.) | |
| 26 | 551-63-3 | 6-Deoxy-α-D-glucopyranose | C6H12O5 | 164.16 | | |
| 27 | 551-64-4 | ZINC TARTRATE | C4H4O6Zn | 213.46 | | g anhydrous/100 g H2O: 0.022 (20°C), 0.041 (30°C), 0.060 (40°C), 0.059 (80°C) [LAN05] |
| 28 | 551-68-8 | D-Psicose | C6H12O6 | 180.16 | 109 °C | |
| 29 | 551-72-4 | L-Chiro-Inositol | C6H12O6 | 180.16 | 240℃ | |
| 30 | 551-74-6 | Mannomustine | C10H22Cl2N2O4.2ClH | 378.122 | | |
| 31 | 551-76-8 | 2,4,6-trichloro-m-cresol | C7H5Cl3O | 211.47 | 46°C | 112.1mg/L(25 ºC) |
| 32 | 551-77-9 | 2,3,6-trichloro-p-cresol | C7H5Cl3O | 211.47 | 66.5°C | |
| 33 | 551-78-0 | 4,5,6-trichloro-o-cresol | C7H5Cl3O | 211.47 | 77°C | |
| 34 | 551-84-8 | D-XYLULOSE | C5H10O5 | 150 | | |
| 35 | 551-85-9 | D-RIBULOSE 5-PHOSPHATE | C5H11O8P | 230.109801 | | |
| 36 | 551-88-2 | 3-NITROPENTANE | C5H11NO2 | 117.15 | 24.33°C (estimate) | 1.3g/L(25 ºC) |
| 37 | 551-89-3 | Glucosulfone (8CI) | C24H36N2O18S3 | 736.74 | | |
| 38 | 551-90-6 | 4-[3,5-Bis(1,1-dimethylethyl)-4-hydroxyphenoxy]-3,5-diiodobenzenepropanoic acid | C23H28I2O4 | 622.28 | | |
| 39 | 551-91-7 | 4-Nitroaniline-3-sulfonicacid | C6H6N2O5S | 218.19 | | |
| 40 | 551-92-8 | dimetridazole | C5H7N3O2 | 141.13 | 177-182℃ | |
| 41 | 551-93-9 | 1-(2-Aminophenyl)-ethanone | C8H9NO | 135.16 | 20 °C | |
| 42 | 551-99-5 | 4H-1-Benzopyran-4-one, 2,3-dihydro-5-hydroxy-2-(4-hydroxyphenyl)-7-methoxy-6,8-dimethyl-, (2S)- | C18H18O5 | 314.33 | | |