| 1 | 531-02-2 | [1,1'-biphenyl]-3,3',5,5'-tetraol | C12H10O4 | 218.21 | 310° | |
| 2 | 531-05-5 | 2,4,6-TRIPHENYL-1,3,5-TRITHIANE | C21H18S3 | 366.56 | | |
| 3 | 531-06-6 | methafurylene | C14H19N3O | 245.32 | | |
| 4 | 531-08-8 | Hetramine | C15H20N4 | 256.35 | | |
| 5 | 531-09-9 | Bromopyramine | C16H20BrN3 | 334.25 | | |
| 6 | 531-12-4 | 18-carboxy-8,13-diethyl-3,7,12,17-tetramethyl-21H,23H-porphine-2-propionic acid | C32H34N4O4 | 538.63676 | | |
| 7 | 531-14-6 | Coproporphyrin I | C36H38N4O8 | 654.71 | | |
| 8 | 531-18-0 | 1,3,5-triazine-2,4,6-triyltrinitrilohexamethanol | C9H18N6O6 | 306.27582 | 150℃ | |
| 9 | 531-20-4 | O-TOLIDINE SULFATE | C28H34N4O4S | 522.66 | | |
| 10 | 531-26-0 | 4-allyl-2-methoxyphenyl benzoate | C17H16O3 | 268.31 | 68-69 ºC | |
| 11 | 531-28-2 | Androsin | C15H20O8 | 328.32 | 218-220℃ | |
| 12 | 531-29-3 | Coniferin | C16H22O8 | 342.34 | 186°C | 4.975g/L(cold water) |
| 13 | 531-35-1 | Isopilocarpine | C11H16N2O2 | 208.26 | | |
| 14 | 531-37-3 | 2-Methoxyphenyl Benzoate | C14H12O3 | 228.25 | 57-61 | |
| 15 | 531-39-5 | guaiacol valerate | C12H16O3 | 208.25 | | |
| 16 | 531-40-8 | 2-methoxyphenyl cinnamate | C16H14O3 | 254.28 | | |
| 17 | 531-42-0 | 3,7,13,17-tetrakis(carboxymethyl)-21H,23H-Porphine-2,8,12,18-tetrapropanoic acid | C40H38N4O16 | 830.75 | | |
| 18 | 531-44-2 | Scopolin | C16H18O9 | 354.31 | 217℃ | |
| 19 | 531-46-4 | 5,12-dihydroquinoxalino[2,3-b]quinoxaline | C14H10N4 | 234.26 | | |
| 20 | 531-47-5 | Homo Fluorindine | C18H12N4 | 284.31 | | |
| 21 | 531-49-7 | 1,5-Methano-2H-pyrido[1,2-a][1,5]diazocine-4-butanoic acid, decahydro-, (1S,4R,5S,11aS)- | C15H26N2O2 | 266.38 | | |
| 22 | 531-52-2 | 1,3,5-Triphenylformazan | C19H16N4 | 300.36 | 169-170 °C | dioxane: 50 mg/mL, clear |
| 23 | 531-53-3 | 3-amino-7-dimethylaminophenothiazin-5-ium chloride | C14H14ClN3S | 291.8 | 290°C (dec.)(lit.) | Soluble in water |
| 24 | 531-55-5 | Azure I | C15H16ClN3S | 305.82 | 205-210°C (dec.)(lit.) | Soluble |
| 25 | 531-57-7 | Azure C | C13H12ClN3S | 277.77 | | |
| 26 | 531-58-8 | cichoriin | C15H16O9 | 340.28 | 213-215° (after drying in desiccator) | |
| 27 | 531-59-9 | 7-Methoxycoumarin | C10H8O3 | 176.17 | 117-121°C(lit.) | MISCIBLE |
| 28 | 531-63-5 | 3(2H)-Benzofuranone,2-[(3,4-dihydroxyphenyl)methylene]-6-(b-D-glucopyranosyloxy)-, (2Z)- | C21H20O10 | 432.3775 | | |
| 29 | 531-67-9 | 2,2'-bipiperidyl | C10H20N2 | 168.28 | 30 °C | |
| 30 | 531-72-6 | Arsenamide | C11H12AsNO5S2 | 377.27 | 168.5°C | |
| 31 | 531-73-7 | PROFLAVINE DIHYDROCHLORIDE | C13H13Cl2N3 | 282.17 | | |
| 32 | 531-75-9 | Esculin hydrate | C15H16O9 | 340.28 | 203 °C | MODERATELY SOLUBLE |
| 33 | 531-76-0 | sarcolysin | C13H18Cl2N2O2 | 305.2 | 180.5°C | |
| 34 | 531-77-1 | Valine, N-[N-acetyl-3-[p-[bis(2-chloroethyl)amino]phenyl]-L-alanyl]-, ethyl ester, L- | C22H33Cl2N3O4 | 474.42112 | | |
| 35 | 531-81-7 | Coumarin-3-Carboxylic Acid | C10H6O4 | 190.15 | 189-192 °C (lit.) | 13 g/L (37 ºC) |
| 36 | 531-82-8 | furothiazole | C9H7N3O4S | 253.23 | 296 °C (decomp) | |
| 37 | 531-85-1 | benzidine dihydrochloride | C12H13ClN2 | 220.7 | ≥300°C | 0.1-0.5 g/100 mL at 23.5 ºC |
| 38 | 531-86-2 | benzidine sulfate | C12H14N2O4S | 282.31 | | |
| 39 | 531-88-4 | Nsc25379 | C10H10O4 | 194.18 | 155-157 °C | |
| 40 | 531-91-9 | N,N'-Diphenylbenzidine | C24H20N2 | 336.43 | 246-248°C(lit.) | Insoluble in water. |
| 41 | 531-95-3 | equol | C15H14O3 | 242.27 | 189-190°C | |
| 42 | 531-99-7 | 5-Acetyl-2-methoxybenzaldehyde | C10H10O3 | 178.18 | | |