| 1 | 552-00-1 | 9H-Xanthen-9-one, 1,3,8-trihydroxy-5-methoxy- | C14H10O6 | 274.23 | 271 °C | |
| 2 | 552-02-3 | (+)-Viridiflorol | C15H26O | 222.37 | | |
| 3 | 552-12-5 | GALACTURONIC ACID | | | | |
| 4 | 552-14-7 | 4-methyl-3-hydroxyanthranilic acid | C8H9NO3 | 167.16 | | |
| 5 | 552-16-9 | 2-Nitrobenzoic Acid | C7H5NO4 | 167.12 | 146-148°C(lit.) | 6.8 g/L |
| 6 | 552-21-6 | 3,3',4,4',5,5'-hexahydroxy-2,2'-methylenedi(benzoic acid) | C15H12O10 | 352.25 | | |
| 7 | 552-22-7 | thymol iodide | C20H24I2O2 | 550.22 | | |
| 8 | 552-25-0 | Diampromidum | C21H28N2O | 324.46 | <25 °C | |
| 9 | 552-28-3 | (2S)-8-Vinyl-13-ethyl-2,3-dihydro-3α,7,12,17,20-pentamethyl-21H,23H-porphyrin-2-propionic acid | C32H36N4O2 | 508.65 | | |
| 10 | 552-29-4 | oxyhydrastinine | C11H11NO3 | 205.21 | 96-98 °C(Solv: cyclohexane (110-82-7)) | |
| 11 | 552-30-7 | 1,2,4-Benzenetricarboxylic anhydride | C9H4O5 | 192.13 | 163-166 °C (lit.) | DECOMPOSES |
| 12 | 552-32-9 | 2-Nitroacetanilide | C8H8N2O3 | 180.16 | 90-94 °C | 2.2g/L(room temperature) |
| 13 | 552-33-0 | Amidomycin | C40H68N4O12 | 796.98752 | 192° | |
| 14 | 552-37-4 | SODIUM ANTHRANILATE | C7H6NNaO2 | 159.12 | <250 °C | |
| 15 | 552-38-5 | lithium salicylate | C7H7LiO3 | 146.07 | >350 °C (lit.) | Soluble in water |
| 16 | 552-41-0 | 2'-Hydroxy-4'-methoxyacetophenone | C9H10O3 | 166.17 | 48-50°C(lit.) | |
| 17 | 552-45-4 | 2-Methyl benzyl chloride | C8H9Cl | 140.61 | -2 °C | |
| 18 | 552-46-5 | 1-Naphthylamine hydrochloride | C10H10ClN | 179.65 | 272-275°C | Soluble in water, alcohol, ether |
| 19 | 552-47-6 | α-Naphthylamine·sulfate | C20H20N2O4S | 384.4488 | | |
| 20 | 552-49-8 | 4-[2-(2-Oxopentyl)-4-methoxy-6-hydroxybenzoyloxy]-6-pentylsalicylic acid | C25H30O8 | 458.5 | | |
| 21 | 552-50-1 | 3,3',4',5,5',7-Hexahydroxy-6-methylflavone | C16H12O8 | 332.26 | | |
| 22 | 552-54-5 | 3,7-DIMETHOXY-3',4',5-TRIHYDROXYFLAVONE | C17H14O7 | 330.29 | 214-215 °C | |
| 23 | 552-56-7 | 2,4-Dihydroxy-3-[(2-hydroxy-4-methoxy-6-propylbenzoyl)oxy]-6-pentylbenzoic acid | C23H28O8 | 432.46 | 164 °C | |
| 24 | 552-57-8 | Isorhoifolin | C27H30O14 | 578.526 | 270-275°C | |
| 25 | 552-58-9 | (S)-2-(3,4-dihydroxyphenyl)-2,3-dihydro-5,7-dihydroxy-4-benzopyrone | C15H12O6 | 288.25 | 270°C | 70mg/L(20 ºC) |
| 26 | 552-59-0 | Prunetin | C16H12O5 | 284.26 | 240-242°C | |
| 27 | 552-62-5 | 7-methylxanthine | C6H6N4O2 | 166.14 | ≥300 °C | Soluble in dimethyl sulfoxide. Insoluble in water. |
| 28 | 552-63-6 | ()-(hydroxymethyl)phenylacetic acid | C9H10O3 | 166.18 | 116-118°C(lit.) | Soluble in water (20 g/L) at 20°C, ethanol, ether, alcohol, and methanol (0.1 g/ml). |
| 29 | 552-66-9 | Daidzin | C21H20O9 | 416.38 | 234-236°C | |
| 30 | 552-70-5 | 9-Methyl-9-azabicyclo[3.3.1]nonan-3-one | C9H15NO | 153.22 | 63-65°C | |
| 31 | 552-72-7 | 2-[6-(2-hydroxy-2-phenyl-ethyl)-1-methyl-2-piperidyl]-1-phenyl-ethanol | C22H29NO2 | 339.47 | 150° | |
| 32 | 552-74-9 | 6-O-(6-Deoxy-alpha-L-mannopyranosyl)-D-galactopyranose | C12H22O10 | 326.3 | | |
| 33 | 552-79-4 | (-)-N-METHYLEPHEDRINE | C11H17NO | 179.26 | 86-88°C(lit.) | |
| 34 | 552-80-7 | DIMETHYLSTILBESTROL | C16H16O2 | 240.3 | | |
| 35 | 552-82-9 | N-Methyldiphenylamine | C13H13N | 183.25 | -7.6 °C | INSOLUBLE |
| 36 | 552-84-1 | DL-MANDELIC ACID HEMIMAGNESIUM | C8H7O3 | 163.29 | | |
| 37 | 552-85-2 | p-Hydroxynorephedrine | | | | |
| 38 | 552-86-3 | Furoin | C10H8O4 | 192.17 | 134-137°C(lit.) | |
| 39 | 552-89-6 | 2-Nitrobenzaldehyde | C7H5NO3 | 151.12 | 42-44°C(lit.) | Insoluble in water. |
| 40 | 552-92-1 | toloconium metilsulfate | C22H40N.CH3O4S | 429.662 | | |
| 41 | 552-93-2 | Carbonate | C21H26O3 | 326.43 | 49° | |
| 42 | 552-94-3 | salicylylsalicylic acid | C14H10O5 | 258.23 | 139-151 °C | HYDROLYSIS |
| 43 | 552-96-5 | 2-Hydroxy-5-(3-methyl-2-butenyl)-4-(1-methylethenyl)-2,4,6-cycloheptatrien-1-one | C15H18O2 | 230.3 | 71-72° | |
| 44 | 552-98-7 | lithium O-acetylsalicylate | C9H7LiO4 | 186.09048 | | |